General Precision Inc
General PrActive Patents
0
Total Holdings
138
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1018586A | Improvements in or relating to the detection of motor vehic… | Expired / Lapsed | 1962-08-02 | — | 0 | Details |
| US3437912A | Constant potential power supply | Expired / Lapsed | 1966-12-30 | 1969-04-08 | 0 | Details |
| US3437816A | Energy correlator employing crossed endless belts with slit… | Expired / Lapsed | 1966-12-14 | 1969-04-08 | 0 | Details |
| US3385984A | Variable reluctance stepper motor damper | Expired / Lapsed | 1965-03-29 | 1968-05-28 | 0 | Details |
| US3367046A | Visual simulator | Expired / Lapsed | 1965-12-22 | 1968-02-06 | 0 | Details |
| US3360987A | Optical radar system | Expired / Lapsed | 1964-07-03 | 1968-01-02 | 2 | Details |
| US3340513A | Instruction and operand processing | Expired / Lapsed | 1964-08-28 | 1967-09-05 | 2 | Details |
| US3335415A | Digital display | Expired / Lapsed | 1964-07-23 | 1967-08-08 | 2 | Details |
| US3332071A | Data retrieval and display system | Expired / Lapsed | 1964-12-23 | 1967-07-18 | 2 | Details |
| US3331954A | Computer performing serial arithmetic operations having a p… | Expired / Lapsed | 1964-08-28 | 1967-07-18 | 2 | Details |
| US3328585A | Optical path length difference compensated flying-spot scan… | Expired / Lapsed | 1964-04-23 | 1967-06-27 | 2 | Details |
| US3327294A | Flag storage system | Expired / Lapsed | 1964-03-09 | 1967-06-20 | 2 | Details |
| US3312954A | Modular computer building block | Expired / Lapsed | 1965-12-08 | 1967-04-04 | 2 | Details |
| US3309671A | Input-output section | Expired / Lapsed | 1962-09-04 | 1967-03-14 | 2 | Details |
| US3305790A | Combination hall-effect device and transistors | Expired / Lapsed | 1962-12-21 | 1967-02-21 | 2 | Details |
| US3300765A | Digital computer system | Expired / Lapsed | 1966-06-09 | 1967-01-24 | 2 | Details |
| US3299731A | Gimbal-type joystick | Expired / Lapsed | 1964-04-07 | 1967-01-24 | 2 | Details |
| US3299205A | Moving map display | Expired / Lapsed | 1964-02-10 | 1967-01-17 | 2 | Details |
| US3290949A | Flexural pivot | Expired / Lapsed | 1963-12-18 | 1966-12-13 | 2 | Details |
| US3290505A | Photosensitive lunar tracker using radial scanning and fibe… | Expired / Lapsed | 1962-12-17 | 1966-12-06 | 1 | Details |
| US3289174A | Memory sector selection circuit | Expired / Lapsed | 1963-01-22 | 1966-11-29 | 2 | Details |
| US3283590A | Telemetric accelerometer | Expired / Lapsed | 1964-06-17 | 1966-11-08 | 2 | Details |
| US3281581A | Gyrocompassing system | Expired / Lapsed | 1962-06-27 | 1966-10-25 | 1 | Details |
| US3278904A | High speed serial arithmetic unit | Expired / Lapsed | 1962-06-20 | 1966-10-11 | 2 | Details |
| US3277380A | Bidirectional counter | Expired / Lapsed | 1962-12-17 | 1966-10-04 | 2 | Details |
| US3275854A | Current driver | Expired / Lapsed | 1964-11-23 | 1966-09-27 | 2 | Details |
| US3265869A | Analog prediction computer | Expired / Lapsed | 1962-08-03 | 1966-08-09 | 2 | Details |
| US3263088A | Star field correlator | Expired / Lapsed | 1963-08-27 | 1966-07-26 | 2 | Details |
| US3257645A | Buffer with delay line recirculation | Expired / Lapsed | 1962-09-21 | 1966-06-21 | 2 | Details |
| US3255378A | Reversible counter | Expired / Lapsed | 1961-04-12 | 1966-06-07 | 2 | Details |
| US3250899A | Digital navigation for computing latitude and longitude | Expired / Lapsed | 1963-01-04 | 1966-05-10 | 1 | Details |
| US3246233A | Current regulator | Expired / Lapsed | 1962-05-11 | 1966-04-12 | 1 | Details |
| US3240860A | Simplified roll stabilization for directional gyro | Expired / Lapsed | 1963-01-03 | 1966-03-15 | 2 | Details |
| US3239752A | Automatic phase shift correcting circuit for feedback magne… | Expired / Lapsed | 1963-11-27 | 1966-03-08 | 2 | Details |
| US3239775A | Pulse generator having a back diode and a tunnel diode | Expired / Lapsed | 1963-11-12 | 1966-03-08 | 2 | Details |
| US3239837A | Frequency modulated range and velocity measuring instrument | Expired / Lapsed | 1963-10-21 | 1966-03-08 | 2 | Details |
| US3239833A | Logarithmic analog to digital converter | Expired / Lapsed | 1963-05-16 | 1966-03-08 | 2 | Details |
| US3237313A | Digital platform erection and gyrocompassing | Expired / Lapsed | 1963-01-04 | 1966-03-01 | 2 | Details |
| US3238523A | Capacitive encoder | Expired / Lapsed | 1962-02-21 | 1966-03-01 | 2 | Details |
| US3235787A | Transistorized voltage regulator with overload protection | Expired / Lapsed | 1962-12-17 | 1966-02-15 | 0 | Details |
| US3235750A | Steering circuit for complementary type transistor switch | Expired / Lapsed | 1962-06-08 | 1966-02-15 | 0 | Details |
| US3231726A | Coordinate conversion system for strap down inertial guidan… | Expired / Lapsed | 1961-06-22 | 1966-01-25 | 1 | Details |
| US3230434A | Motor fitted with hall generator and semiconductor controls | Expired / Lapsed | 1962-09-18 | 1966-01-18 | 2 | Details |
| US3222795A | Accelerated north-seeking gyrocompassing system | Expired / Lapsed | 1960-05-25 | 1965-12-14 | 2 | Details |
| US3218633A | Data converter | Expired / Lapsed | 1963-06-12 | 1965-11-16 | 2 | Details |
| US3218560A | Averaging pulse synchronizing apparatus | Expired / Lapsed | 1963-03-12 | 1965-11-16 | 2 | Details |
| US3217323A | Receiver gating circuit | Expired / Lapsed | 1963-08-27 | 1965-11-09 | 2 | Details |
| US3209253A | Frequency measuring circuit utilizing transistors to switch… | Expired / Lapsed | 1962-06-26 | 1965-09-28 | 2 | Details |
| US3205352A | Presence detector | Expired / Lapsed | 1961-08-04 | 1965-09-07 | 2 | Details |
| US3204240A | Passive communication system | Expired / Lapsed | 1962-08-13 | 1965-08-31 | 2 | Details |
| US3202755A | Welded circuit assembly and method of assembly | Expired / Lapsed | 1961-08-30 | 1965-08-24 | 3 | Details |
| US3200020A | Method of making a weldable printed circuit | Expired / Lapsed | 1963-12-23 | 1965-08-10 | 0 | Details |
| US3199026A | D.-c. clamp-on meter including a hall plate flux detector | Expired / Lapsed | 1961-05-01 | 1965-08-03 | 2 | Details |
| US3188542A | Electric position servomechanism | Expired / Lapsed | 1963-01-09 | 1965-06-08 | 2 | Details |
| US3186294A | Interferometeric goniometer | Expired / Lapsed | 1960-10-13 | 1965-06-01 | 2 | Details |
| US3182207A | Reversible decimal counter | Expired / Lapsed | 1962-05-18 | 1965-05-04 | 2 | Details |
| US3182315A | Interrogator-responder signalling system | Expired / Lapsed | 1961-11-24 | 1965-05-04 | 2 | Details |
| US3174356A | Variable spring-loaded antibacklash gear drive | Expired / Lapsed | 1963-07-11 | 1965-03-23 | 2 | Details |
| US3170982A | Method of measuring by interference | Expired / Lapsed | 1962-05-04 | 1965-02-23 | 2 | Details |
| US3164661A | Distance measuring system by irradiating a target with ligh… | Expired / Lapsed | 1961-08-22 | 1965-01-05 | 2 | Details |
| US3162804A | Translating instrument employing hall-effect device | Expired / Lapsed | 1961-09-15 | 1964-12-22 | 2 | Details |
| US3150350A | Parallel parity checker | Expired / Lapsed | 1961-01-04 | 1964-09-22 | 2 | Details |
| US3149309A | Information storage and search system | Expired / Lapsed | 1959-12-10 | 1964-09-15 | 2 | Details |
| US3147462A | Control system for magnetic memory drum | Expired / Lapsed | 1961-01-03 | 1964-09-01 | 1 | Details |
| US3145380A | Signalling system | Expired / Lapsed | 1958-10-24 | 1964-08-18 | 2 | Details |
| US3143702A | Shake table testing apparatus and associated electrical sys… | Expired / Lapsed | 1960-06-27 | 1964-08-04 | 1 | Details |
| US3141725A | Course plotter | Expired / Lapsed | 1962-06-11 | 1964-07-21 | 2 | Details |
| US3133244A | Magnetic field detector and resolver having a two section h… | Expired / Lapsed | 1960-09-15 | 1964-05-12 | 2 | Details |
| US3132263A | Pulse time selector with minimum delay time | Expired / Lapsed | 1961-12-20 | 1964-05-05 | 0 | Details |
| US3132262A | Reversible counter | Expired / Lapsed | 1961-12-04 | 1964-05-05 | 2 | Details |
| US3129686A | Marine autopilot | Expired / Lapsed | 1962-07-19 | 1964-04-21 | 2 | Details |
| US3130404A | F. m. range finder with doppler error compensation | Expired / Lapsed | 1961-05-29 | 1964-04-21 | 2 | Details |
| US3127465A | Three-phase interferometer | Expired / Lapsed | 1961-01-16 | 1964-03-31 | 2 | Details |
| US3121202A | Sine-cosine frequency tracker | Expired / Lapsed | 1961-03-07 | 1964-02-11 | 2 | Details |
| US3121223A | Radar and television and to navigation | Expired / Lapsed | 1960-10-07 | 1964-02-11 | 2 | Details |
| US3113989A | Terrain radar simulation | Expired / Lapsed | 1960-07-08 | 1963-12-10 | 2 | Details |
| US3111664A | Television navigation aid | Expired / Lapsed | 1960-11-15 | 1963-11-19 | 1 | Details |
| US3111663A | Radar and television navigation aid | Expired / Lapsed | 1960-11-07 | 1963-11-19 | 1 | Details |
| US3111660A | Analogue-to-digital converter | Expired / Lapsed | 1957-11-08 | 1963-11-19 | 2 | Details |
| US3102264A | Hybrid pulse-continuous wave doppler radio navigation system | Expired / Lapsed | 1961-12-22 | 1963-08-27 | 1 | Details |
| US3100040A | Conveyor sorting | Expired / Lapsed | 1960-12-27 | 1963-08-06 | 1 | Details |
| US3096657A | Single axis integrating accelerometer | Expired / Lapsed | 1960-12-06 | 1963-07-09 | 2 | Details |
| US3095553A | Input buffer system | Expired / Lapsed | 1960-04-15 | 1963-06-25 | 2 | Details |
| US3095562A | Computer for data conversion and stabilization | Expired / Lapsed | 1960-03-08 | 1963-06-25 | 2 | Details |
| US3095559A | Binary digital single-brush readout device | Expired / Lapsed | 1959-04-07 | 1963-06-25 | 1 | Details |
| US3094212A | Automatic component tester | Expired / Lapsed | 1961-12-14 | 1963-06-18 | 2 | Details |
| US3092829A | Interrogator-responder signalling system | Expired / Lapsed | 1960-06-28 | 1963-06-04 | 1 | Details |
| US3092810A | High speed tape memory system | Expired / Lapsed | 1958-05-26 | 1963-06-04 | 1 | Details |
| US3090042A | Interrogator-responder signalling system | Expired / Lapsed | 1962-01-16 | 1963-05-14 | 1 | Details |
| US3084261A | Sun tracker | Expired / Lapsed | 1960-02-24 | 1963-04-02 | 2 | Details |
| US3081637A | Accelerometer and digital transmission means | Expired / Lapsed | 1960-02-17 | 1963-03-19 | 2 | Details |
| US3077567A | Variable frequency multivibrator | Expired / Lapsed | 1960-03-23 | 1963-02-12 | 2 | Details |
| US3075051A | Transducer assembly for magnetic recorders | Expired / Lapsed | 1960-02-01 | 1963-01-22 | 2 | Details |
| US3071876A | Electronic training apparatus | Expired / Lapsed | 1960-10-13 | 1963-01-08 | 2 | Details |
| US3070796A | Dual aerial navigation system | Expired / Lapsed | 1959-12-07 | 1962-12-25 | 0 | Details |
| US3070306A | Multiplying circuit | Expired / Lapsed | 1959-09-11 | 1962-12-25 | 0 | Details |
| US3068880A | Pneumatic diode | Expired / Lapsed | 1961-12-28 | 1962-12-18 | 0 | Details |
| US3063160A | System for simulating the effects of auto-pilot inputs to t… | Expired / Lapsed | 1959-01-19 | 1962-11-13 | 0 | Details |
| US3056956A | Analog-digital converter | Expired / Lapsed | 1954-11-05 | 1962-10-02 | 0 | Details |
| US3056111A | Display system | Expired / Lapsed | 1959-09-21 | 1962-09-25 | 0 | Details |
| US3054100A | Signalling system | Expired / Lapsed | 1958-06-04 | 1962-09-11 | 0 | Details |
| US3047662A | Remote station digital data transmission system | Expired / Lapsed | 1960-03-22 | 1962-07-31 | 0 | Details |
| US3040123A | Television equipment, especially for ground aircraft traine… | Expired / Lapsed | 1959-10-07 | 1962-06-19 | 0 | Details |
| US3040195A | Bistable multivibrator employing pnpn switching diodes | Expired / Lapsed | 1959-07-02 | 1962-06-19 | 0 | Details |
| US3040194A | Bistable circuit utilizing pnpn diode in series with transi… | Expired / Lapsed | 1959-07-02 | 1962-06-19 | 0 | Details |
| US3039066A | Multivibrator | Expired / Lapsed | 1960-12-22 | 1962-06-12 | 0 | Details |
| US3036295A | Signalling system | Expired / Lapsed | 1960-03-17 | 1962-05-22 | 0 | Details |
| US3030617A | Analog-digital converter | Expired / Lapsed | 1956-05-28 | 1962-04-17 | 0 | Details |
| US3028550A | Analog accelerometer feedback loop for deriving velocity in… | Expired / Lapsed | 1959-09-09 | 1962-04-03 | 0 | Details |
| US3028592A | Doppler inertial navigation data system | Expired / Lapsed | 1957-06-27 | 1962-04-03 | 0 | Details |
| US3027468A | Pulse generator using delay lines | Expired / Lapsed | 1958-10-15 | 1962-03-27 | 0 | Details |
| US3022492A | Interrogator-responder signalling system | Expired / Lapsed | 1960-02-15 | 1962-02-20 | 0 | Details |
| US3022500A | Trigonometric converter | Expired / Lapsed | 1958-01-13 | 1962-02-20 | 0 | Details |
| US3020531A | Alpha-numerical display means | Expired / Lapsed | 1959-11-09 | 1962-02-06 | 0 | Details |
| US3019072A | X-y plotter | Expired / Lapsed | 1960-08-08 | 1962-01-30 | 0 | Details |
| US3018475A | Responder device | Expired / Lapsed | 1960-02-15 | 1962-01-23 | 0 | Details |
| US3018392A | Monostable multivibrator employing four zone semiconductive… | Expired / Lapsed | 1959-07-02 | 1962-01-23 | 0 | Details |
| US3011715A | Wind computer for high speed aircraft | Expired / Lapsed | 1959-03-19 | 1961-12-05 | 0 | Details |
| US3007258A | Force simulation | Expired / Lapsed | 1956-11-07 | 1961-11-07 | 0 | Details |
| US3008138A | Radar system | Expired / Lapsed | 1955-09-01 | 1961-11-07 | 0 | Details |
| US3004664A | Method and apparatus for optical analysis of a mixture of s… | Expired / Lapsed | 1957-07-09 | 1961-10-17 | 0 | Details |
| US3004174A | Four phase clock | Expired / Lapsed | 1959-05-15 | 1961-10-10 | 0 | Details |
| US3004199A | Multivibrator controlled servo mechanism | Expired / Lapsed | 1958-09-04 | 1961-10-10 | 0 | Details |
| US3003096A | Pulse width motor control circuit | Expired / Lapsed | 1959-02-06 | 1961-10-03 | 0 | Details |
| US2999939A | Position detector | Expired / Lapsed | 1957-05-23 | 1961-09-12 | 0 | Details |
| US2999322A | Visual display method and apparatus | Expired / Lapsed | 1955-01-05 | 1961-09-12 | 0 | Details |
| US2995305A | Electronic computer multiplier circuit | Expired / Lapsed | 1958-09-15 | 1961-08-08 | 0 | Details |
| US2993200A | Vernier | Expired / Lapsed | 1960-05-23 | 1961-07-18 | 0 | Details |
| US2981944A | Microwave navigation system | Expired / Lapsed | 1960-12-06 | 1961-04-25 | 0 | Details |
| US2977841A | Interferometer optical system | Expired / Lapsed | 1956-09-12 | 1961-04-04 | 0 | Details |
| US2977582A | Analog-digital converter | Expired / Lapsed | 1956-11-19 | 1961-03-28 | 0 | Details |
| US2965977A | Jet engine simulation system | Expired / Lapsed | 1956-09-21 | 1960-12-27 | 0 | Details |
| US2965823A | Servo system with noise suppression feedback | Expired / Lapsed | 1958-07-16 | 1960-12-20 | 0 | Details |
| US2963543A | Underwater television propulsion apparatus | Expired / Lapsed | 1956-12-10 | 1960-12-06 | 0 | Details |
| US2956222A | Transistor amplifier circuit | Expired / Lapsed | 1955-08-05 | 1960-10-11 | 0 | Details |
| US2954514A | Servomechanism | Expired / Lapsed | 1956-11-29 | 1960-09-27 | 0 | Details |
| US2940075A | Microwave antenna | Expired / Lapsed | 1957-01-16 | 1960-06-07 | 0 | Details |
| US2934689A | Servo systems and quadrature signal filter therefor | Expired / Lapsed | 1957-11-22 | 1960-04-26 | 0 | Details |