Bendix Corp
Bendix CorActive Patents
0
Total Holdings
360
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1490397A | Parallel line scanning method for stereo-mapping | Expired / Lapsed | 1975-01-27 | — | 0 | Details |
| DE2337762A1 | CLOSED FUEL CONTROL SYSTEM FOR COMBUSTION MACHINERY | Expired / Lapsed | 1973-07-25 | — | 0 | Details |
| DE2201387A1 | Microwave tachometer odometer | Expired / Lapsed | 1972-01-13 | — | 0 | Details |
| GB1004422A | Method of fabricating semi-conductor mesa structure | Expired / Lapsed | 1963-05-10 | — | 0 | Details |
| GB1000281A | Test equipment for electronic assemblies | Expired / Lapsed | 1963-01-14 | — | 0 | Details |
| GB947699A | Sterilization method and apparatus | Expired / Lapsed | 1961-09-07 | — | 0 | Details |
| DE1114673B | Control device for electromagnetically operated injection v… | Expired / Lapsed | 1957-10-02 | — | 0 | Details |
| US4556943A | Multiprocessing microprocessor based engine control system … | Expired / Lapsed | 1983-05-27 | 1985-12-03 | 10 | Details |
| US4547858A | Dynamic control for manipulator | Expired / Lapsed | 1983-06-13 | 1985-10-15 | 23 | Details |
| US4530413A | Electrical power assisted steering mechanism | Expired / Lapsed | 1983-05-05 | 1985-07-23 | 37 | Details |
| US4484192A | Moving map display | Expired / Lapsed | 1981-12-17 | 1984-11-20 | 58 | Details |
| US4454577A | Linked data systems | Expired / Lapsed | 1981-06-18 | 1984-06-12 | 20 | Details |
| US4449409A | Pressure measurement system with a constant settlement time | Expired / Lapsed | 1981-07-13 | 1984-05-22 | 14 | Details |
| US4434664A | Pressure ratio measurement system | Expired / Lapsed | 1981-07-06 | 1984-03-06 | 10 | Details |
| US4433381A | Control system for an internal combustion engine | Expired / Lapsed | 1982-07-23 | 1984-02-21 | 15 | Details |
| US4433390A | Power processing reset system for a microprocessor respondi… | Expired / Lapsed | 1981-07-30 | 1984-02-21 | 5 | Details |
| US4422335A | Pressure transducer | Expired / Lapsed | 1981-03-25 | 1983-12-27 | 17 | Details |
| US4417336A | Method of testing with computers | Expired / Lapsed | 1981-06-18 | 1983-11-22 | 15 | Details |
| US4400727A | Moving map display | Expired / Lapsed | 1981-11-27 | 1983-08-23 | 9 | Details |
| US4381672A | Vibrating beam rotation sensor | Expired / Lapsed | 1981-03-04 | 1983-05-03 | 46 | Details |
| US4374422A | Automatic speed control for heavy vehicles | Expired / Lapsed | 1980-10-27 | 1983-02-15 | 17 | Details |
| US4372272A | Fuel delivery system with feed and drain line damping | Expired / Lapsed | 1981-07-31 | 1983-02-08 | 19 | Details |
| US4359926A | Weapon firing system including weapon interrogation means a… | Expired / Lapsed | 1981-03-23 | 1982-11-23 | 15 | Details |
| US4344127A | Microprocessor based process control system | Expired / Lapsed | 1980-08-28 | 1982-08-10 | 13 | Details |
| US4342083A | Communication system for a multiple-computer system | Expired / Lapsed | 1980-02-05 | 1982-07-27 | 7 | Details |
| US4322228A | Pneumatically actuated electronic control for a fluid mixtu… | Expired / Lapsed | 1980-08-18 | 1982-03-30 | 40 | Details |
| US4309149A | Vacuum pump switch | Expired / Lapsed | 1980-03-06 | 1982-01-05 | 12 | Details |
| US4290181A | Ball joint forming method and apparatus therefor | Expired / Lapsed | 1979-10-22 | 1981-09-22 | 2 | Details |
| US4286685A | Speed control for heavy duty trucks | Expired / Lapsed | 1979-05-23 | 1981-09-01 | 23 | Details |
| US4267575A | Wheel speed signal-producing system for skid control | Expired / Lapsed | 1979-07-09 | 1981-05-12 | 8 | Details |
| US4246639A | Start and warm up features for electronic fuel management s… | Expired / Lapsed | 1978-06-22 | 1981-01-20 | 10 | Details |
| US4243124A | Automatic non-servo brake adjuster | Expired / Lapsed | 1978-12-26 | 1981-01-06 | 3 | Details |
| US4234542A | Thin coat temperature compensated resistance oxide gas sens… | Expired / Lapsed | 1979-01-29 | 1980-11-18 | 6 | Details |
| US4223309A | Turbulence detector for non-coherent pulse radar | Expired / Lapsed | 1978-09-25 | 1980-09-16 | 13 | Details |
| US4208991A | Anti-flood circuit for use with an electronic fuel injectio… | Expired / Lapsed | 1978-05-01 | 1980-06-24 | 7 | Details |
| US4195604A | Control of EGR in a closed loop EFI engine | Expired / Lapsed | 1977-08-19 | 1980-04-01 | 5 | Details |
| US4190029A | Control of EGR in a closed loop EFI engine | Expired / Lapsed | 1978-10-30 | 1980-02-26 | 14 | Details |
| US4164206A | Closed loop programmable EGR with coolant temperature sensi… | Expired / Lapsed | 1978-01-19 | 1979-08-14 | 14 | Details |
| US4157030A | System for deriving fuel consumption of a vehicle | Expired / Lapsed | 1978-02-27 | 1979-06-05 | 6 | Details |
| US4155116A | Digital control system including built in test equipment | Expired / Lapsed | 1978-01-04 | 1979-05-15 | 12 | Details |
| US4149252A | Digital ρ-θ to XY scan converter for use with limited acces… | Expired / Lapsed | 1977-05-20 | 1979-04-10 | 6 | Details |
| US4144747A | Simultaneously resonated, multi-mode crystal force transduc… | Expired / Lapsed | 1978-01-30 | 1979-03-20 | 34 | Details |
| US4138979A | Fuel demand engine control system | Expired / Lapsed | 1977-09-29 | 1979-02-13 | 39 | Details |
| US4131088A | Multiple function pressure sensor | Expired / Lapsed | 1976-11-08 | 1978-12-26 | 8 | Details |
| US4128839A | Means for accumulating aircraft position data for a beacon … | Expired / Lapsed | 1977-06-28 | 1978-12-05 | 3 | Details |
| US4123116A | Duty cycle translator with solenoid modeling circuit for ad… | Expired / Lapsed | 1977-06-16 | 1978-10-31 | 25 | Details |
| US4108358A | Portable circuit tester | Expired / Lapsed | 1977-03-22 | 1978-08-22 | 8 | Details |
| US4103407A | Manufacturing method for a high pressure distributor rotor | Expired / Lapsed | 1977-01-07 | 1978-08-01 | 5 | Details |
| US4101298A | Pressure cycling control for fluid separator mechanism | Expired / Lapsed | 1977-04-05 | 1978-07-18 | 16 | Details |
| US4099124A | Combined keyed AGC and pulse amplitude comparator circuit | Expired / Lapsed | 1977-04-19 | 1978-07-04 | 6 | Details |
| US4096833A | Circuit for frequency modulated fuel injection system | Expired / Lapsed | 1976-10-04 | 1978-06-27 | 18 | Details |
| US4092955A | Roughness sensor | Expired / Lapsed | 1976-10-04 | 1978-06-06 | 17 | Details |
| US4060805A | Integrated terminal area surveillance system | Expired / Lapsed | 1976-06-28 | 1977-11-29 | 11 | Details |
| US4034354A | Programmable interface controller for numerical machine sys… | Expired / Lapsed | 1975-11-21 | 1977-07-05 | 19 | Details |
| US4010717A | Fuel control system having an auxiliary circuit for correct… | Expired / Lapsed | 1975-02-03 | 1977-03-08 | 29 | Details |
| CA1004625A | Automatic object routing system | Expired / Lapsed | 1974-09-16 | 1977-02-01 | 0 | Details |
| US3982503A | Air density computer for an internal combustion engine fuel… | Expired / Lapsed | 1972-08-23 | 1976-09-28 | 5 | Details |
| US3971920A | Digital time-off-event encoding system | Expired / Lapsed | 1975-05-05 | 1976-07-27 | 10 | Details |
| US3967598A | Combined electric fuel pump control circuit intermittent in… | Expired / Lapsed | 1973-12-14 | 1976-07-06 | 3 | Details |
| US3964064A | Data display system having a multilevel video storage device | Expired / Lapsed | 1973-11-21 | 1976-06-15 | 32 | Details |
| US3958835A | Adaptive braking control circuit | Expired / Lapsed | 1974-12-09 | 1976-05-25 | 11 | Details |
| US3938075A | Exhaust gas sensor failure detection system | Expired / Lapsed | 1974-09-30 | 1976-02-10 | 14 | Details |
| US3923031A | System for reordering the fuel injection sequence to facili… | Expired / Lapsed | 1974-11-25 | 1975-12-02 | 26 | Details |
| US3907565A | Process for manufacturing domed spiral antennas | Expired / Lapsed | 1973-12-26 | 1975-09-23 | 12 | Details |
| US3900629A | Porous laminate and method of manufacture | Expired / Lapsed | 1973-09-14 | 1975-08-19 | 9 | Details |
| US3872846A | Exhaust gas recirculation (EGR) internal combustion engine … | Expired / Lapsed | 1973-03-29 | 1975-03-25 | 41 | Details |
| US3870378A | Adaptive braking system control wheel selection by coeffici… | Expired / Lapsed | 1973-08-27 | 1975-03-11 | 5 | Details |
| US3866473A | Pressure measuring transducer | Expired / Lapsed | 1969-08-04 | 1975-02-18 | 35 | Details |
| US3858308A | Process for making a rotor assembly | Expired / Lapsed | 1973-06-22 | 1975-01-07 | 11 | Details |
| US3851259A | Deadzone circuit | Expired / Lapsed | 1973-03-30 | 1974-11-26 | 9 | Details |
| US3845484A | Signal generator for testing vor navigation receivers | Expired / Lapsed | 1973-06-12 | 1974-10-29 | 15 | Details |
| US3838892A | Adaptive braking system | Expired / Lapsed | 1972-10-31 | 1974-10-01 | 28 | Details |
| US3828122A | Tv area correlation tracker | Expired / Lapsed | 1972-09-11 | 1974-08-06 | 4 | Details |
| US3824535A | Head-up display apparatus including means for displaying th… | Expired / Lapsed | 1972-09-28 | 1974-07-16 | 9 | Details |
| US3820117A | Frequency extension of circularly polarized antenna | Expired / Lapsed | 1972-12-26 | 1974-06-25 | 8 | Details |
| US3813140A | Rotating prism scanning system having range compensation | Expired / Lapsed | 1971-12-13 | 1974-05-28 | 7 | Details |
| US3803598A | Inverse ranging and detecting system | Expired / Lapsed | 1971-09-21 | 1974-04-09 | 14 | Details |
| US3794389A | Adaptive braking system | Expired / Lapsed | 1972-12-21 | 1974-02-26 | 28 | Details |
| US3794003A | Pressure dependent deceleration cutoff for an internal comb… | Expired / Lapsed | 1972-01-13 | 1974-02-26 | 28 | Details |
| US3771116A | Method and apparatus for imaging stationary and moving obje… | Expired / Lapsed | 1972-01-12 | 1973-11-06 | 32 | Details |
| US3765380A | Electronic fuel control systems with nonlinearizing circuit… | Expired / Lapsed | 1971-08-10 | 1973-10-16 | 2 | Details |
| US3752582A | Optical range and range-rate sensor | Expired / Lapsed | 1971-01-27 | 1973-08-14 | 17 | Details |
| US3749475A | Coherent optical device utilizing an organic dye cell to de… | Expired / Lapsed | 1972-07-21 | 1973-07-31 | 3 | Details |
| US3750172A | Multifrequency cw radar with range cutoff | Expired / Lapsed | 1971-06-02 | 1973-07-31 | 32 | Details |
| US3749997A | Multi-speed potentiometer servo | Expired / Lapsed | 1971-03-31 | 1973-07-31 | 7 | Details |
| US3748016A | Image transmission and presentation device | Expired / Lapsed | 1971-12-22 | 1973-07-24 | 2 | Details |
| US3746845A | Numerical control system | Expired / Lapsed | 1970-08-06 | 1973-07-17 | 41 | Details |
| US3734068A | Fuel injection control system | Expired / Lapsed | 1970-12-28 | 1973-05-22 | 26 | Details |
| US3720120A | Numerical control system adaptive to workpiece hardness | Expired / Lapsed | 1970-09-21 | 1973-03-13 | 0 | Details |
| US3720945A | Receiver device | Expired / Lapsed | 1965-08-19 | 1973-03-13 | 12 | Details |
| US3710385A | Vehicle initial speed and stopping distance indicator | Expired / Lapsed | 1970-09-29 | 1973-01-09 | 5 | Details |
| US3704770A | Adjustable time delay electromagnetic clutch | Expired / Lapsed | 1971-09-21 | 1972-12-05 | 10 | Details |
| US3704043A | Adaptive braking control system | Expired / Lapsed | 1970-09-10 | 1972-11-28 | 8 | Details |
| US3701888A | Time shared position feedback system for numerical control | Expired / Lapsed | 1970-08-05 | 1972-10-31 | 13 | Details |
| US3693084A | Method and apparatus for detecting microwave fields | Expired / Lapsed | 1969-06-17 | 1972-09-19 | 17 | Details |
| US3685048A | Self-calibrating analog to digital converter with predeterm… | Expired / Lapsed | 1970-09-30 | 1972-08-15 | 9 | Details |
| US3679874A | Automatic baggage handling system | Expired / Lapsed | 1970-07-06 | 1972-07-25 | 4 | Details |
| US3678490A | Master cylinder low fluid indicator | Expired / Lapsed | 1971-03-24 | 1972-07-18 | 4 | Details |
| US3677730A | Method of fabricating an array of channel multipliers | Expired / Lapsed | 1968-12-18 | 1972-07-18 | 0 | Details |
| US3678328A | Channel multiplier assembly and method of manufacture there… | Expired / Lapsed | 1968-11-01 | 1972-07-18 | 3 | Details |
| US3676676A | Low energy particle counter with two-dimensional position s… | Expired / Lapsed | 1970-10-30 | 1972-07-11 | 11 | Details |
| US3676650A | Numerical control system using position number generator | Expired / Lapsed | 1970-10-05 | 1972-07-11 | 20 | Details |
| US3676651A | Rapid retract for thread cutting | Expired / Lapsed | 1970-09-21 | 1972-07-11 | 11 | Details |
| US3674318A | Anti-skid braking system utilizing pressure feedback | Expired / Lapsed | 1970-11-18 | 1972-07-04 | 0 | Details |
| US3666353A | Display system including standby reticle means | Expired / Lapsed | 1971-02-11 | 1972-05-30 | 0 | Details |
| US3665899A | Circuit for aiding the collapse of an electromagnetic field | Expired / Lapsed | 1970-09-21 | 1972-05-30 | 3 | Details |
| US3653267A | In a hydrostatically supported gyroscope a flexible tube pu… | Expired / Lapsed | 1969-05-07 | 1972-04-04 | 15 | Details |
| US3650628A | Range system | Expired / Lapsed | 1970-03-09 | 1972-03-21 | 10 | Details |
| US3649818A | Groundspeed and time-to-go computer | Expired / Lapsed | 1969-12-17 | 1972-03-14 | 7 | Details |
| US3646915A | Cold start auxiliary circuit for electronic fuel control sy… | Expired / Lapsed | 1970-06-16 | 1972-03-07 | 11 | Details |
| US3646917A | Auxiliary circuit for electronic fuel control systems to fa… | Expired / Lapsed | 1970-06-16 | 1972-03-07 | 17 | Details |
| US3648228A | Control system for vehicles | Expired / Lapsed | 1970-02-09 | 1972-03-07 | 19 | Details |
| US3645137A | Quartz pressure sensor | Expired / Lapsed | 1970-04-16 | 1972-02-29 | 19 | Details |
| US3643017A | Apparatus for constructing a reduced information content ho… | Expired / Lapsed | 1970-02-26 | 1972-02-15 | 7 | Details |
| US3641372A | Temperature controlled microcircuits | Expired / Lapsed | 1970-02-12 | 1972-02-08 | 19 | Details |
| US3641434A | Wide-band crystal-controlled transceiver with remote digita… | Expired / Lapsed | 1968-10-10 | 1972-02-08 | 9 | Details |
| US3634664A | Adaptive and manual control system for machine tool | Expired / Lapsed | 1969-04-04 | 1972-01-11 | 14 | Details |
| US3631485A | Guidance system | Expired / Lapsed | 1962-06-05 | 1971-12-28 | 7 | Details |
| US3628894A | High-vacuum mechanical pump | Expired / Lapsed | 1970-09-15 | 1971-12-21 | 15 | Details |
| US3629674A | Transient resistant transistorized blocking oscillator for … | Expired / Lapsed | 1970-06-18 | 1971-12-21 | 18 | Details |
| US3626367A | Vehicle subsystem monitors | Expired / Lapsed | 1969-12-22 | 1971-12-07 | 5 | Details |
| US3625240A | Hydraulic booster system | Expired / Lapsed | 1969-05-16 | 1971-12-07 | 4 | Details |
| US3614314A | Optical display means for an all-weather landing system of … | Expired / Lapsed | 1967-03-21 | 1971-10-19 | 26 | Details |
| US3609433A | Proximity-focused image storage tube | Expired / Lapsed | 1969-09-29 | 1971-09-28 | 6 | Details |
| US3606592A | Fluid pump | Expired / Lapsed | 1970-05-20 | 1971-09-20 | 0 | Details |
| US3606537A | Laser ranging system using magnetostrictive delay line | Expired / Lapsed | 1968-12-09 | 1971-09-20 | 0 | Details |
| US3603925A | Master cylinder reservoir level indicator | Expired / Lapsed | 1968-10-21 | 1971-09-07 | 4 | Details |
| US3602070A | Mechanical transmission | Expired / Lapsed | 1970-04-10 | 1971-08-31 | 16 | Details |
| US3587553A | Carburetor priming system | Expired / Lapsed | 1969-07-24 | 1971-06-28 | 0 | Details |
| US3588007A | Fixed gain passive adaptive aircraft control system | Expired / Lapsed | 1968-12-30 | 1971-06-28 | 0 | Details |
| US3581839A | Exhaust pollution control circuit | Expired / Lapsed | 1969-01-10 | 1971-06-01 | 1 | Details |
| US3582679A | Speed sensitive control circuit | Expired / Lapsed | 1968-10-29 | 1971-06-01 | 2 | Details |
| US3580082A | Pressure transducer | Expired / Lapsed | 1969-11-07 | 1971-05-25 | 11 | Details |
| US3579235A | Collision avoidance readout on air traffic control radar be… | Expired / Lapsed | 1969-06-18 | 1971-05-18 | 6 | Details |
| US3576992A | Time-of-flight mass spectrometer having both linear and cur… | Expired / Lapsed | 1968-09-13 | 1971-05-04 | 7 | Details |
| US3576124A | System and method for aligning an inertial navigation system | Expired / Lapsed | 1969-03-19 | 1971-04-27 | 13 | Details |
| US3576294A | Fluidic cleansing device | Expired / Lapsed | 1969-02-26 | 1971-04-27 | 7 | Details |
| US3574461A | Range display system | Expired / Lapsed | 1968-09-30 | 1971-04-13 | 12 | Details |
| US3571796A | Rotation translation independent feature extraction means | Expired / Lapsed | 1968-05-28 | 1971-03-23 | 10 | Details |
| US3569842A | Pulse delay circuit | Expired / Lapsed | 1968-07-29 | 1971-03-09 | 12 | Details |
| US3560918A | Indicator means for fluid pressure and fluid supply | Expired / Lapsed | 1967-12-08 | 1971-02-02 | 0 | Details |
| US3558944A | Self-commutated actuator | Expired / Lapsed | 1969-02-03 | 1971-01-26 | 10 | Details |
| US3556263A | Automatic brake shoe positioner mechanism | Expired / Lapsed | 1969-01-16 | 1971-01-19 | 6 | Details |
| US3554721A | Method of making fiber optic bundles | Expired / Lapsed | 1968-01-10 | 1971-01-12 | 0 | Details |
| US3555541A | Electronic angle signal modifier and encoder | Expired / Lapsed | 1966-10-21 | 1971-01-12 | 0 | Details |
| US3548662A | Pressure ratio measurement system | Expired / Lapsed | 1968-11-22 | 1970-12-22 | 0 | Details |
| US3550018A | Digital integrator-synchronizer having low noise susceptibi… | Expired / Lapsed | 1968-09-11 | 1970-12-22 | 0 | Details |
| US3549996A | Universal tester for dynamic and static tests on the operat… | Expired / Lapsed | 1967-04-04 | 1970-12-22 | 0 | Details |
| US3545703A | System for controlling flight of aircraft to attain a prede… | Expired / Lapsed | 1967-11-01 | 1970-12-08 | 0 | Details |
| US3535004A | Means responsive to road surface conditions for selecting a… | Expired / Lapsed | 1968-12-16 | 1970-10-20 | 0 | Details |
| US3531670A | Rotary electrical apparatus having metallic sleeve for embr… | Expired / Lapsed | 1968-09-16 | 1970-09-29 | 0 | Details |
| US3529895A | Automatic limit colorimeter | Expired / Lapsed | 1969-02-24 | 1970-09-22 | 0 | Details |
| US3530283A | Feed rate control for contouring or slope control system | Expired / Lapsed | 1967-09-11 | 1970-09-22 | 0 | Details |
| US3525828A | Slide switch for use with printed circuits | Expired / Lapsed | 1969-05-19 | 1970-08-25 | 0 | Details |
| US3525553A | Adaptive braking system responsive to tire-road surface con… | Expired / Lapsed | 1968-09-30 | 1970-08-25 | 0 | Details |
| US3509583A | Electro-mechanical hand having tactile sensing means | Expired / Lapsed | 1965-09-09 | 1970-05-05 | 0 | Details |
| US3503116A | Method of fabricating a pressure transducer | Expired / Lapsed | 1967-10-09 | 1970-03-31 | 0 | Details |
| US3495243A | Means for generating a signal at a predetermined time to cl… | Expired / Lapsed | 1968-04-22 | 1970-02-10 | 0 | Details |
| US3494671A | Automotive anti-skid control system | Expired / Lapsed | 1968-03-13 | 1970-02-10 | 0 | Details |
| US3492619A | Fuse with fuse wire embedded in plastic foam | Expired / Lapsed | 1967-10-05 | 1970-01-27 | 0 | Details |
| US3492215A | Sputtering of material simultaneously evaporated onto the t… | Expired / Lapsed | 1967-02-27 | 1970-01-27 | 0 | Details |
| US3491206A | Tone-free multiplexing system using a delta modulator | Expired / Lapsed | 1967-03-13 | 1970-01-20 | 0 | Details |
| US3487393A | Fail safe signal transmitting network | Expired / Lapsed | 1967-02-16 | 1969-12-30 | 0 | Details |
| US3486071A | Circuit for delivering constant energy impulses to a load | Expired / Lapsed | 1968-06-28 | 1969-12-23 | 0 | Details |
| US3486100A | Pulse width modulator network | Expired / Lapsed | 1965-09-29 | 1969-12-23 | 0 | Details |
| US3482116A | Voltage to frequency converter | Expired / Lapsed | 1966-08-05 | 1969-12-02 | 0 | Details |
| US3482174A | Pulse sample type demodulator including feedback stabilizin… | Expired / Lapsed | 1966-06-17 | 1969-12-02 | 0 | Details |
| US3477346A | Integrated vacuum modulator and actuator | Expired / Lapsed | 1967-10-24 | 1969-11-11 | 0 | Details |
| US3473849A | Pressure hold-off valve | Expired / Lapsed | 1967-03-13 | 1969-10-21 | 0 | Details |
| US3468658A | Method of producing dispersion strengthened metals | Expired / Lapsed | 1965-12-08 | 1969-09-23 | 0 | Details |
| US3462759A | Analog-to-digital converter | Expired / Lapsed | 1966-04-26 | 1969-08-19 | 0 | Details |
| US3460040A | Single frequency communication repeater | Expired / Lapsed | 1967-08-02 | 1969-08-05 | 0 | Details |
| US3455411A | Automobile speed control | Expired / Lapsed | 1967-10-24 | 1969-07-15 | 0 | Details |
| US3454849A | Monitoring and testing system for a fail operative control … | Expired / Lapsed | 1965-04-01 | 1969-07-08 | 0 | Details |
| US3448579A | Failure indicator for a master cylinder | Expired / Lapsed | 1967-07-03 | 1969-06-10 | 0 | Details |
| US3448401A | Digital frequency synthesizer eliminating high speed counte… | Expired / Lapsed | 1967-08-24 | 1969-06-03 | 0 | Details |
| US3440638A | Data display system with lateral photocell for digital repo… | Expired / Lapsed | 1965-04-08 | 1969-04-22 | 0 | Details |
| US3436840A | Fog simulator and method for accomplishing airborne simulat… | Expired / Lapsed | 1966-08-31 | 1969-04-08 | 0 | Details |
| US3436636A | Differential preamplifier network for a sample-data motor s… | Expired / Lapsed | 1965-09-23 | 1969-04-01 | 0 | Details |
| US3436635A | Pulse width modulated servo drive control system | Expired / Lapsed | 1965-09-02 | 1969-04-01 | 0 | Details |
| US3423939A | Master cylinder vent valve | Expired / Lapsed | 1967-06-06 | 1969-01-28 | 0 | Details |
| US3413554A | Transceiver with self-tuning transmitter controlled by rece… | Expired / Lapsed | 1965-05-03 | 1968-11-26 | 0 | Details |
| US3400663A | Reciprocating plunger pump | Expired / Lapsed | 1967-03-09 | 1968-09-10 | 0 | Details |
| US3401338A | Tester for semiconductor devices having a zener diode contr… | Expired / Lapsed | 1966-04-11 | 1968-09-10 | 0 | Details |
| US3393946A | Load proportioning valve | Expired / Lapsed | 1967-07-14 | 1968-07-23 | 0 | Details |
| US3393691A | Fuel control having proportional plus integral governor wit… | Expired / Lapsed | 1965-12-13 | 1968-07-23 | 2 | Details |
| US3394367A | Symbol generator | Expired / Lapsed | 1965-07-14 | 1968-07-23 | 0 | Details |
| US3389797A | Filtering system having dual cleaning means | Expired / Lapsed | 1965-12-20 | 1968-06-25 | 0 | Details |
| US3381616A | Electromagnetic fluid pump | Expired / Lapsed | 1966-07-13 | 1968-05-07 | 0 | Details |
| US3381771A | Automobile speed control | Expired / Lapsed | 1966-05-17 | 1968-05-07 | 2 | Details |
| US3381211A | Current limiting network | Expired / Lapsed | 1967-03-08 | 1968-04-30 | 0 | Details |
| US3373600A | Method for determining fluid characteristics utilizing flui… | Expired / Lapsed | 1966-10-13 | 1968-03-19 | 0 | Details |
| US3374380A | Apparatus for suppression of ion feedback in electron multi… | Expired / Lapsed | 1965-11-10 | 1968-03-19 | 0 | Details |
| US3373341A | Electrical network for preventing excessive load current | Expired / Lapsed | 1964-05-18 | 1968-03-12 | 0 | Details |
| US3372266A | Star position determination circuit | Expired / Lapsed | 1964-07-29 | 1968-03-05 | 0 | Details |
| US3371252A | Solenoid drive system | Expired / Lapsed | 1964-10-12 | 1968-02-27 | 0 | Details |
| US3365705A | Method and apparatus for recording phase-modulated control … | Expired / Lapsed | 1965-02-08 | 1968-01-23 | 0 | Details |
| US3361394A | Flight control system | Expired / Lapsed | 1966-02-24 | 1968-01-02 | 0 | Details |
| US3355668A | Tunable notch filter | Expired / Lapsed | 1963-09-30 | 1967-11-28 | 2 | Details |
| US3352282A | Vacuum deposit device including means to register and manip… | Expired / Lapsed | 1965-07-23 | 1967-11-14 | 1 | Details |
| US3351811A | Speed responsive apparatus | Expired / Lapsed | 1962-01-15 | 1967-11-07 | 2 | Details |
| US3350574A | Network for converting a direct current signal into pulses … | Expired / Lapsed | 1965-01-11 | 1967-10-31 | 2 | Details |
| US3349246A | Compact sub-miniature optical pickup assembly | Expired / Lapsed | 1964-04-27 | 1967-10-24 | 2 | Details |
| US3343025A | Electron multiplier array for image intensifier tubes | Expired / Lapsed | 1961-06-09 | 1967-09-19 | 2 | Details |
| US3341846A | Transponder system | Expired / Lapsed | 1964-11-12 | 1967-09-12 | 1 | Details |
| US3341826A | Solid state erasable and rewritable optical memory system u… | Expired / Lapsed | 1964-02-25 | 1967-09-12 | 1 | Details |
| US3339579A | Pressure hold off valve | Expired / Lapsed | 1965-08-27 | 1967-09-05 | 2 | Details |
| US3333106A | Circuit for improving the signal-to-noise ratio of photoele… | Expired / Lapsed | 1964-05-01 | 1967-07-25 | 1 | Details |
| US3325822A | Chart recording mechanism | Expired / Lapsed | 1965-02-15 | 1967-06-13 | 2 | Details |
| US3322984A | Nutation motor or generator | Expired / Lapsed | 1966-02-28 | 1967-05-30 | 2 | Details |
| US3322967A | Quadrature rejection circuit utilizing bilateral transistor… | Expired / Lapsed | 1964-03-06 | 1967-05-30 | 2 | Details |
| US3313940A | Image intensifier with radiation attenuating member for imp… | Expired / Lapsed | 1963-07-08 | 1967-04-11 | 2 | Details |
| US3308398A | Telemetering apparatus for converting a direct current sign… | Expired / Lapsed | 1963-10-18 | 1967-03-07 | 2 | Details |
| US3296940A | Power steering mechanism | Expired / Lapsed | 1964-11-30 | 1967-01-10 | 2 | Details |
| US3296939A | Power steering mechanism | Expired / Lapsed | 1964-08-31 | 1967-01-10 | 2 | Details |
| US3287622A | Static frequency converter for producing a constant output … | Expired / Lapsed | 1963-06-14 | 1966-11-22 | 1 | Details |
| US3283477A | Fueler unit | Expired / Lapsed | 1964-09-28 | 1966-11-08 | 2 | Details |
| US3284668A | Electronic speed sensor | Expired / Lapsed | 1963-10-28 | 1966-11-08 | 2 | Details |
| US3278817A | Control system for machine tool | Expired / Lapsed | 1958-07-31 | 1966-10-11 | 2 | Details |
| US3275810A | Self-testing means for computer control signal attenuating … | Expired / Lapsed | 1962-11-07 | 1966-09-27 | 2 | Details |
| US3275884A | Electrical apparatus for generating current pulses | Expired / Lapsed | 1961-09-21 | 1966-09-27 | 2 | Details |
| US3274376A | Digital differential analyzer in conjunction with a general… | Expired / Lapsed | 1955-05-18 | 1966-09-20 | 1 | Details |
| US3270186A | Cutter radius offset system for numerically controlled mach… | Expired / Lapsed | 1962-08-20 | 1966-08-30 | 1 | Details |
| US3263314A | Fixture for and method of assembling heat exchanger core | Expired / Lapsed | 1963-06-05 | 1966-08-02 | 1 | Details |
| US3262094A | Discontinuous hollow cylindrical transducer | Expired / Lapsed | 1962-06-28 | 1966-07-19 | 2 | Details |
| US3259989A | Method and apparatus for automatic centering system | Expired / Lapsed | 1964-12-21 | 1966-07-12 | 2 | Details |
| US3260165A | Control system | Expired / Lapsed | 1964-04-13 | 1966-07-12 | 2 | Details |
| US3260849A | Light sensitive orienting device | Expired / Lapsed | 1962-03-09 | 1966-07-12 | 2 | Details |
| US3255852A | Power operated emergency brake responsive to motor control | Expired / Lapsed | 1964-07-22 | 1966-06-14 | 0 | Details |
| US3255448A | Angular displacement phase shift encoder analog to digital … | Expired / Lapsed | 1963-01-30 | 1966-06-07 | 2 | Details |
| US3250977A | System for driving a stepping motor at varying speeds | Expired / Lapsed | 1963-03-29 | 1966-05-10 | 1 | Details |
| US3249776A | Nutation motor | Expired / Lapsed | 1962-06-13 | 1966-05-03 | 2 | Details |
| US3247498A | Worst condition indicating system | Expired / Lapsed | 1962-08-23 | 1966-04-19 | 2 | Details |
| US3246129A | Cutter compensation system for automatic machine tool | Expired / Lapsed | 1961-12-29 | 1966-04-12 | 2 | Details |
| US3245073A | Sampled-data servo with stabilizing inner loop | Expired / Lapsed | 1962-12-12 | 1966-04-05 | 2 | Details |
| US3242484A | Topographic mapping system employing reflected energy | Expired / Lapsed | 1963-09-23 | 1966-03-22 | 2 | Details |
| US3241143A | Optimum beam captive control device for providing distance … | Expired / Lapsed | 1963-03-08 | 1966-03-15 | 2 | Details |
| US3237023A | Peak amplitude sensing circuit | Expired / Lapsed | 1961-12-29 | 1966-02-22 | 2 | Details |
| US3235765A | Electron multiplier having an inclined field | Expired / Lapsed | 1962-04-13 | 1966-02-15 | 2 | Details |
| US3232676A | Anti-skid system | Expired / Lapsed | 1962-01-02 | 1966-02-01 | 2 | Details |
| US3233221A | Binary code selective calling system having synchronized cl… | Expired / Lapsed | 1960-10-26 | 1966-02-01 | 2 | Details |
| US3230819A | Optical display means for an all weather landing system of … | Expired / Lapsed | 1962-07-25 | 1966-01-25 | 2 | Details |
| US3230525A | Alarm frequency error detector | Expired / Lapsed | 1962-05-24 | 1966-01-18 | 2 | Details |
| US3230351A | Self-adaptive control system | Expired / Lapsed | 1960-09-14 | 1966-01-18 | 2 | Details |
| US3228418A | Check valve | Expired / Lapsed | 1962-09-12 | 1966-01-11 | 0 | Details |
| US3221238A | Self-adaptive incremental gain adjusted control system | Expired / Lapsed | 1961-01-06 | 1965-11-30 | 2 | Details |
| US3217144A | Indicator systems | Expired / Lapsed | 1962-08-06 | 1965-11-09 | 2 | Details |
| US3217221A | Step motor drive circuit | Expired / Lapsed | 1962-06-28 | 1965-11-09 | 2 | Details |
| US3210613A | Timing circuit | Expired / Lapsed | 1962-08-17 | 1965-10-05 | 2 | Details |
| US3210055A | Carburetor | Expired / Lapsed | 1961-07-07 | 1965-10-05 | 2 | Details |
| US3209275A | Circuit for varying the drive of an amplifier in accordance… | Expired / Lapsed | 1962-05-02 | 1965-09-28 | 2 | Details |
| US3207252A | Automotive cruise control | Expired / Lapsed | 1963-06-07 | 1965-09-21 | 2 | Details |
| US3206975A | Rate of altitude change sensor and rate of climb indicator … | Expired / Lapsed | 1962-09-05 | 1965-09-21 | 2 | Details |
| US3206932A | Cap for dual master cylinder reservoir | Expired / Lapsed | 1962-08-27 | 1965-09-21 | 2 | Details |
| US3204132A | Contouring system accelerationdeceleration control | Expired / Lapsed | 1962-02-07 | 1965-08-31 | 1 | Details |
| US3199009A | Stepper motor servo amplifier | Expired / Lapsed | 1962-12-12 | 1965-08-03 | 1 | Details |
| US3199103A | Displacement detector | Expired / Lapsed | 1959-08-12 | 1965-08-03 | 4 | Details |
| US3196617A | Master cylinder cap | Expired / Lapsed | 1963-04-12 | 1965-07-27 | 2 | Details |
| US3197663A | Electron multiplier gate | Expired / Lapsed | 1962-06-04 | 1965-07-27 | 1 | Details |
| US3195360A | Boot construction | Expired / Lapsed | 1962-10-04 | 1965-07-20 | 2 | Details |
| US3192462A | Scr fed motor control system | Expired / Lapsed | 1962-01-22 | 1965-06-29 | 2 | Details |
| US3189131A | Automatic shoe retractor | Expired / Lapsed | 1962-08-27 | 1965-06-15 | 2 | Details |
| US3187262A | Detector of phase differences between currents of different… | Expired / Lapsed | 1962-10-01 | 1965-06-01 | 2 | Details |
| US3183994A | Automotive cruise control | Expired / Lapsed | 1963-02-18 | 1965-05-18 | 1 | Details |
| US3184188A | Stress sensor and control system for limiting stresses appl… | Expired / Lapsed | 1961-06-19 | 1965-05-18 | 2 | Details |
| US3181157A | False alarm rate stabilizer | Expired / Lapsed | 1960-03-02 | 1965-04-27 | 4 | Details |
| US3176225A | Pulse modulation communication system | Expired / Lapsed | 1962-05-18 | 1965-03-30 | 2 | Details |
| US3176157A | Function generator | Expired / Lapsed | 1962-04-19 | 1965-03-30 | 2 | Details |
| US3176294A | Vehicle radar system | Expired / Lapsed | 1959-10-02 | 1965-03-30 | 2 | Details |
| US3176293A | Instantaneous threshold time control for enhancing detectio… | Expired / Lapsed | 1958-12-18 | 1965-03-30 | 2 | Details |
| US3173338A | Servomotor actuating means | Expired / Lapsed | 1964-02-20 | 1965-03-16 | 2 | Details |
| US3173339A | Power control valve | Expired / Lapsed | 1961-09-28 | 1965-03-16 | 2 | Details |
| US3166143A | Power steering means | Expired / Lapsed | 1962-12-17 | 1965-01-19 | 2 | Details |
| US3165113A | Combined flow divider and pressure regulator | Expired / Lapsed | 1962-11-19 | 1965-01-12 | 2 | Details |
| US3164990A | Flowmetering | Expired / Lapsed | 1962-02-02 | 1965-01-12 | 2 | Details |
| US3165706A | Frequency generating system | Expired / Lapsed | 1961-08-09 | 1965-01-12 | 2 | Details |
| US3165739A | Pulse type radar time-measuring system | Expired / Lapsed | 1960-08-29 | 1965-01-12 | 2 | Details |
| US3162263A | Power steering mechanism | Expired / Lapsed | 1962-09-24 | 1964-12-22 | 2 | Details |
| US3152295A | Pulsed tank circuit magneto-or electrostrictive device exci… | Expired / Lapsed | 1961-05-01 | 1964-10-06 | 2 | Details |
| US3152326A | Vehicle radar system | Expired / Lapsed | 1959-10-02 | 1964-10-06 | 1 | Details |
| US3150231A | End structure for plural cable connection | Expired / Lapsed | 1961-10-10 | 1964-09-22 | 2 | Details |
| US3150303A | Proportional control two-phase servomotor amplifier | Expired / Lapsed | 1961-05-02 | 1964-09-22 | 2 | Details |
| US3149896A | Electrical connector | Expired / Lapsed | 1960-11-04 | 1964-09-22 | 1 | Details |
| US3146449A | Slot fed horn radiator with protective radome having polari… | Expired / Lapsed | 1961-12-29 | 1964-08-25 | 1 | Details |
| US3145626A | Power steering mechanism | Expired / Lapsed | 1961-09-18 | 1964-08-25 | 2 | Details |
| US3139922A | Compensated controller | Expired / Lapsed | 1959-10-19 | 1964-07-07 | 2 | Details |
| US3134601A | Seal construction | Expired / Lapsed | 1962-11-02 | 1964-05-26 | 2 | Details |
| US3134304A | Pressure operated pump | Expired / Lapsed | 1962-10-15 | 1964-05-26 | 2 | Details |
| US3128743A | Differential pressure responsive device | Expired / Lapsed | 1961-05-26 | 1964-04-14 | 2 | Details |
| US3128374A | Control system | Expired / Lapsed | 1960-12-08 | 1964-04-07 | 2 | Details |
| US3128408A | Electron multiplier | Expired / Lapsed | 1960-04-20 | 1964-04-07 | 2 | Details |
| US3122691A | Digital contouring system with automatic feed rate control | Expired / Lapsed | 1962-03-01 | 1964-02-25 | 2 | Details |
| US3122665A | Position control transducer and system | Expired / Lapsed | 1961-09-25 | 1964-02-25 | 2 | Details |
| US3117925A | Fuel quality testing device | Expired / Lapsed | 1960-06-27 | 1964-01-14 | 2 | Details |
| US3115557A | Humidistat adaptable for response to changes in relative or… | Expired / Lapsed | 1959-10-09 | 1963-12-24 | 2 | Details |
| US3106993A | Fluid shock absorbing system | Expired / Lapsed | 1962-05-07 | 1963-10-15 | 2 | Details |
| US3103786A | Power operated master cylinder | Expired / Lapsed | 1960-10-20 | 1963-09-17 | 2 | Details |
| US3103633A | Phase discriminator having a pair of discriminators each ha… | Expired / Lapsed | 1959-03-24 | 1963-09-10 | 1 | Details |
| US3096483A | Frequency divider system with preset means to select countd… | Expired / Lapsed | 1961-04-06 | 1963-07-02 | 1 | Details |
| US3095612A | Apparatus for making conduit | Expired / Lapsed | 1960-01-15 | 1963-07-02 | 2 | Details |
| US3092793A | Phase shift apparatus adjustable by movement of dielectric … | Expired / Lapsed | 1959-09-28 | 1963-06-04 | 2 | Details |
| US3089114A | Electrical connector | Expired / Lapsed | 1960-03-22 | 1963-05-07 | 1 | Details |
| US3089131A | Electromagnetic indicator | Expired / Lapsed | 1959-05-25 | 1963-05-07 | 2 | Details |
| US3088089A | Electrical connector | Expired / Lapsed | 1958-12-18 | 1963-04-30 | 2 | Details |
| US3085646A | Motor vehicle control system | Expired / Lapsed | 1960-07-25 | 1963-04-16 | 1 | Details |
| US3081032A | Parallel digital adder system | Expired / Lapsed | 1960-02-01 | 1963-03-12 | 2 | Details |
| US3080750A | Oscillating mass flowmeter | Expired / Lapsed | 1959-01-09 | 1963-03-12 | 2 | Details |
| US3072108A | Multi-position vacuum motor | Expired / Lapsed | 1961-10-02 | 1963-01-08 | 2 | Details |
| US3069727A | Method for forming shell molded cores | Expired / Lapsed | 1960-02-24 | 1962-12-25 | 0 | Details |
| US3070735A | Servo system | Expired / Lapsed | 1959-09-28 | 1962-12-25 | 0 | Details |
| US3066288A | Resolution of ambiguous range in mti radar | Expired / Lapsed | 1958-05-19 | 1962-11-27 | 0 | Details |
| US3064429A | Ball compensator for hydraulic safety diaphragm | Expired / Lapsed | 1960-03-21 | 1962-11-20 | 0 | Details |
| US3063129A | Transistor | Expired / Lapsed | 1956-08-08 | 1962-11-13 | 0 | Details |
| US3060298A | Electric heater systems | Expired / Lapsed | 1959-11-02 | 1962-10-23 | 0 | Details |
| US3056550A | Variable-exponent computers | Expired / Lapsed | 1960-01-18 | 1962-10-02 | 0 | Details |
| US3056589A | Radially vibratile ceramic transducers | Expired / Lapsed | 1958-06-23 | 1962-10-02 | 0 | Details |
| US3055720A | Piston seal construction | Expired / Lapsed | 1959-06-29 | 1962-09-25 | 0 | Details |
| US3055481A | Conveyor mechanism | Expired / Lapsed | 1957-12-30 | 1962-09-25 | 0 | Details |
| US3052853A | Attenuator for strong signals in a radio receiver | Expired / Lapsed | 1959-06-03 | 1962-09-04 | 0 | Details |
| US3040529A | Pneumatic fuel control | Expired / Lapsed | 1958-12-31 | 1962-06-26 | 0 | Details |
| US3037860A | Friction articles and processes for manufacturing and mount… | Expired / Lapsed | 1957-04-24 | 1962-06-05 | 2 | Details |
| US3035870A | Ratio changing means for fluid actuated brakes | Expired / Lapsed | 1961-03-27 | 1962-05-22 | 0 | Details |
| US3035113A | Method and means for terminating braided insulation and shi… | Expired / Lapsed | 1959-12-07 | 1962-05-15 | 0 | Details |
| US3034032A | Servosystem | Expired / Lapsed | 1958-01-28 | 1962-05-08 | 0 | Details |
| US3032025A | Fuel supply system | Expired / Lapsed | 1959-07-14 | 1962-05-01 | 0 | Details |
| US3028529A | Semiconductor diode | Expired / Lapsed | 1959-08-26 | 1962-04-03 | 2 | Details |
| US3028092A | Hall effect resolver | Expired / Lapsed | 1958-12-31 | 1962-04-03 | 0 | Details |
| US3028526A | Reactance-type frequency sensitive bridge for speed sensor … | Expired / Lapsed | 1956-08-03 | 1962-04-03 | 0 | Details |
| US3024374A | Linear rate generator | Expired / Lapsed | 1957-10-07 | 1962-03-06 | 0 | Details |
| US3021454A | Control circuit for electromagnetic devices | Expired / Lapsed | 1958-04-11 | 1962-02-13 | 0 | Details |
| US3019397A | Pressure responsive device combined with positive feedback … | Expired / Lapsed | 1958-09-03 | 1962-01-30 | 0 | Details |
| US3017463A | Keyboard apparatus | Expired / Lapsed | 1959-04-10 | 1962-01-16 | 0 | Details |
| US3015102A | Lens reflector | Expired / Lapsed | 1959-10-02 | 1961-12-26 | 0 | Details |
| US3007655A | Electrical actuator for power steering unit | Expired / Lapsed | 1958-01-02 | 1961-11-07 | 0 | Details |
| US3008078A | Autopilot servo limiter | Expired / Lapsed | 1957-11-18 | 1961-11-07 | 0 | Details |
| US3004237A | Electrical connector for multiconductor cables | Expired / Lapsed | 1959-08-06 | 1961-10-10 | 0 | Details |
| US3002115A | Electrical system for controlling movement of objects | Expired / Lapsed | 1957-08-22 | 1961-09-26 | 0 | Details |
| US2997699A | Electro-optical position indicator system | Expired / Lapsed | 1959-08-03 | 1961-08-22 | 0 | Details |
| US2994792A | Reciprocating electro-magnetic motor | Expired / Lapsed | 1956-06-27 | 1961-08-01 | 0 | Details |
| US2993169A | Timing device | Expired / Lapsed | 1958-05-12 | 1961-07-18 | 0 | Details |
| US2989866A | Cantilever beam flowmeter | Expired / Lapsed | 1956-01-03 | 1961-06-27 | 0 | Details |
| US2988709A | Transistorized blocking oscillator for telemetering circuits | Expired / Lapsed | 1958-07-31 | 1961-06-13 | 0 | Details |
| US2984811A | Electrical connector | Expired / Lapsed | 1957-02-06 | 1961-05-16 | 0 | Details |
| US2981982A | Conduit, method of and apparatus for making same | Expired / Lapsed | 1956-11-02 | 1961-05-02 | 0 | Details |
| US2981246A | Fuel supply system | Expired / Lapsed | 1959-07-14 | 1961-04-25 | 0 | Details |
| US2980090A | Fuel injection system | Expired / Lapsed | 1957-02-04 | 1961-04-18 | 0 | Details |
| US2979554A | Insulated mounting clamp for electrical components | Expired / Lapsed | 1959-06-17 | 1961-04-11 | 0 | Details |
| US2979707A | Electrical fault warning device | Expired / Lapsed | 1958-09-22 | 1961-04-11 | 0 | Details |
| US2979668A | Amplifier | Expired / Lapsed | 1957-09-16 | 1961-04-11 | 0 | Details |
| US2972090A | Bi-stable electric switching system | Expired / Lapsed | 1958-07-11 | 1961-02-14 | 0 | Details |
| US2969534A | Digital transformer | Expired / Lapsed | 1955-05-19 | 1961-01-24 | 0 | Details |
| US2967263A | Simulated ground display | Expired / Lapsed | 1958-01-06 | 1961-01-03 | 0 | Details |
| US2966161A | Acceleration limiting device | Expired / Lapsed | 1955-11-10 | 1960-12-27 | 0 | Details |
| US2965151A | Radio shielding conduit and method of making same | Expired / Lapsed | 1952-09-29 | 1960-12-20 | 0 | Details |
| US2964266A | Slaving system and method | Expired / Lapsed | 1952-04-01 | 1960-12-13 | 0 | Details |
| US2963697A | Code conversion system | Expired / Lapsed | 1956-02-13 | 1960-12-06 | 0 | Details |
| US2961637A | Underwater transducer having a longitudinally vibratile ele… | Expired / Lapsed | 1955-06-24 | 1960-11-22 | 0 | Details |
| US2958503A | Bellows compensation for servo valve | Expired / Lapsed | 1955-05-04 | 1960-11-01 | 0 | Details |
| US2957550A | Brake assembly | Expired / Lapsed | 1956-07-18 | 1960-10-25 | 0 | Details |
| US2954751A | Visible filter clogging indicator | Expired / Lapsed | 1958-05-09 | 1960-10-04 | 0 | Details |