Shell USA Inc
Shell USAActive Patents
0
Total Holdings
197
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US5312794A | Catalyst system for olefin polymerization | Expired / Lapsed | 1992-12-29 | 1994-05-17 | 10 | Details |
| US5218065A | Polymerization process | Expired / Lapsed | 1991-08-30 | 1993-06-08 | 36 | Details |
| US5143992A | Methathesis polymerizable adducts of a divinylcyclohydrocar… | Expired / Lapsed | 1991-07-12 | 1992-09-01 | 30 | Details |
| US5095082A | Polymerization process employing mixture of Diels-Alder add… | Expired / Lapsed | 1991-06-10 | 1992-03-10 | 28 | Details |
| US5093441A | Polymerization of norbornene derivatives | Expired / Lapsed | 1990-02-16 | 1992-03-03 | 20 | Details |
| US5070483A | Remote seismic sensing | Expired / Lapsed | 1990-01-12 | 1991-12-03 | 10 | Details |
| US4876156A | Film and sheet capable of forming retortable and easy-open … | Expired / Lapsed | 1988-12-16 | 1989-10-24 | 5 | Details |
| US4866983A | Analytical methods and apparatus for measuring the oil cont… | Expired / Lapsed | 1988-04-14 | 1989-09-19 | 11 | Details |
| US4805708A | Controlling sulfide scavenger content of oil-based drilling… | Expired / Lapsed | 1987-05-06 | 1989-02-21 | 23 | Details |
| US4666925A | 1-Isopropyl-2-indanol and -indanthiol ether insecticides | Expired / Lapsed | 1985-09-23 | 1987-05-19 | 11 | Details |
| US4581926A | Determination of steam quality in thermal injection wells | Expired / Lapsed | 1984-11-15 | 1986-04-15 | 17 | Details |
| US4583242A | Apparatus for positioning a sample in a computerized axial … | Expired / Lapsed | 1983-12-29 | 1986-04-15 | 12 | Details |
| US4444953A | Assymetric block copolymers and corresponding adhesive form… | Expired / Lapsed | 1983-04-18 | 1984-04-24 | 12 | Details |
| US4425384A | Polymer-reinforcing compositions and their preparation | Expired / Lapsed | 1981-04-27 | 1984-01-10 | 11 | Details |
| US4365031A | Composition and process for making a green colored polyester | Expired / Lapsed | 1981-03-04 | 1982-12-21 | 38 | Details |
| US4261671A | Corrugated pipe for deepwater applications | Expired / Lapsed | 1977-09-26 | 1981-04-14 | 19 | Details |
| US4248599A | Process for determining the API gravity of oil by FID | Expired / Lapsed | 1979-09-19 | 1981-02-03 | 5 | Details |
| US4248759A | Construction adhesive | Expired / Lapsed | 1979-09-12 | 1981-02-03 | 11 | Details |
| US4212207A | Ultrasonic tube inspection | Expired / Lapsed | 1978-12-14 | 1980-07-15 | 19 | Details |
| US4156673A | Hydrogenated star-shaped polymer | Expired / Lapsed | 1978-07-21 | 1979-05-29 | 40 | Details |
| US4133731A | Radiation cured, high temperature adhesive composition | Expired / Lapsed | 1978-03-03 | 1979-01-09 | 13 | Details |
| US4096203A | Process to control cohesive strength of block copolymer com… | Expired / Lapsed | 1976-07-30 | 1978-06-20 | 14 | Details |
| US4090853A | Colloil product and method | Expired / Lapsed | 1976-10-26 | 1978-05-23 | 7 | Details |
| US4080356A | Multicomponent polyacetal-block copolymer-polymer blends | Expired / Lapsed | 1977-05-05 | 1978-03-21 | 23 | Details |
| US4049595A | Block copolymer compositions | Expired / Lapsed | 1976-04-23 | 1977-09-20 | 12 | Details |
| US4041103A | Blends of certain hydrogenated block copolymers | Expired / Lapsed | 1976-06-07 | 1977-08-09 | 9 | Details |
| US4039629A | Block copolymer blends | Expired / Lapsed | 1977-02-11 | 1977-08-02 | 9 | Details |
| US4036910A | Block copolymers as viscosity index improvers for lubricati… | Expired / Lapsed | 1973-03-14 | 1977-07-19 | 3 | Details |
| US4034808A | Method for pump-off detection | Expired / Lapsed | 1976-09-20 | 1977-07-12 | 9 | Details |
| US4033888A | Dispersant VI improver | Expired / Lapsed | 1976-10-18 | 1977-07-05 | 9 | Details |
| US4015469A | Pump-off monitor for rod pump wells | Expired / Lapsed | 1976-07-02 | 1977-04-05 | 3 | Details |
| US4008603A | Ultrasonic method and apparatus for measuring wall thicknes… | Expired / Lapsed | 1975-12-29 | 1977-02-22 | 7 | Details |
| US4006116A | Block copolymer compositions and articles | Expired / Lapsed | 1975-11-26 | 1977-02-01 | 9 | Details |
| US3994818A | Substantially non-aqueous low foaming liquid non-ionic dete… | Expired / Lapsed | 1976-03-04 | 1976-11-30 | 9 | Details |
| US3975460A | Blends of certain hydrogenated block copolymers with ABS po… | Expired / Lapsed | 1975-04-24 | 1976-08-17 | 6 | Details |
| US3968181A | Modified acrylate resin | Expired / Lapsed | 1975-03-17 | 1976-07-06 | 4 | Details |
| US3965019A | Lubricating compositions containing hydrogenated block copo… | Expired / Lapsed | 1974-12-19 | 1976-06-22 | 4 | Details |
| US3953826A | Super long seismic source | Expired / Lapsed | 1975-05-15 | 1976-04-27 | 16 | Details |
| US3951209A | Method for determining the pump-off of a well | Expired / Lapsed | 1975-06-09 | 1976-04-20 | 5 | Details |
| US3949352A | Velocity logger for logging intervals | Expired / Lapsed | 1969-01-17 | 1976-04-06 | 9 | Details |
| US3937755A | Polyesters having improved disperse dyeability | Expired / Lapsed | 1975-01-23 | 1976-02-10 | 7 | Details |
| US3937753A | Acid dyeable polyesters | Expired / Lapsed | 1975-01-23 | 1976-02-10 | 10 | Details |
| US3935338A | Process for the preparation of pressure-sensitive adhesive … | Expired / Lapsed | 1973-04-23 | 1976-01-27 | 6 | Details |
| US3917607A | Block copolymer adhesive compositions | Expired / Lapsed | 1973-11-23 | 1975-11-04 | 7 | Details |
| US3867111A | Vapor recovery system | Expired / Lapsed | 1973-08-29 | 1975-02-18 | 7 | Details |
| US3844960A | Lubricant compositions | Expired / Lapsed | 1970-11-06 | 1974-10-29 | 3 | Details |
| US3830767A | Block copolymer compositions | Expired / Lapsed | 1973-05-02 | 1974-08-20 | 0 | Details |
| US3823203A | Vulcanizable selectively hydogenated block copolymer compos… | Expired / Lapsed | 1971-03-29 | 1974-07-09 | 0 | Details |
| US3779952A | Metal-containing polymers | Expired / Lapsed | 1971-03-22 | 1973-12-18 | 0 | Details |
| US3776744A | Alumina-transition metal oxide ceramic products of enhanced… | Expired / Lapsed | 1972-06-15 | 1973-12-04 | 2 | Details |
| US3777122A | Process and apparatus for the automatic control of a variab… | Expired / Lapsed | 1971-07-30 | 1973-12-04 | 11 | Details |
| US3772196A | Lubricating compositions | Expired / Lapsed | 1971-12-03 | 1973-11-13 | 11 | Details |
| US3756683A | Hologram image-space scalling | Expired / Lapsed | 1971-05-03 | 1973-09-04 | 32 | Details |
| US3748638A | Seismic exploration system | Expired / Lapsed | 1971-11-08 | 1973-07-24 | 12 | Details |
| US3739844A | Apparatus for carrying out underwater wellhead operations | Expired / Lapsed | 1971-04-28 | 1973-06-19 | 10 | Details |
| US3730909A | Hydrazine decomposition catalyst | Expired / Lapsed | 1966-04-05 | 1973-05-01 | 0 | Details |
| US3723591A | Process for making articles from sulfur dioxide-conjugated … | Expired / Lapsed | 1970-11-06 | 1973-03-27 | 1 | Details |
| US3700748A | Selectively hydrogenated block copolymers | Expired / Lapsed | 1970-05-22 | 1972-10-24 | 7 | Details |
| US3682823A | Synthetic oils from alpha-olefins | Expired / Lapsed | 1970-06-17 | 1972-08-08 | 0 | Details |
| US3677528A | Fluid diffusion apparatus | Expired / Lapsed | 1970-12-31 | 1972-07-18 | 4 | Details |
| US3678473A | Read-write circuit for capacitive memory arrays | Expired / Lapsed | 1970-06-04 | 1972-07-18 | 20 | Details |
| US3668125A | Block copolymers as viscosity index improvers for lubricati… | Expired / Lapsed | 1969-12-12 | 1972-06-06 | 5 | Details |
| US3636463A | Method of and means for gainranging amplification | Expired / Lapsed | 1969-12-12 | 1972-01-18 | 22 | Details |
| US3636528A | Half-bit memory cell array with nondestructive readout | Expired / Lapsed | 1969-11-14 | 1972-01-18 | 14 | Details |
| US3631384A | Seismic holography | Expired / Lapsed | 1969-04-04 | 1971-12-28 | 11 | Details |
| US3629167A | Two-package epoxy-urethane coating composition | Expired / Lapsed | 1969-01-31 | 1971-12-21 | 0 | Details |
| US3607977A | Block copolymer compositions exhibiting altered surface act… | Expired / Lapsed | 1968-09-12 | 1971-09-21 | 2 | Details |
| US3595942A | Partially hydrogenated block copolymers | Expired / Lapsed | 1968-12-24 | 1971-07-27 | 0 | Details |
| US3589036A | Footwear assembly | Expired / Lapsed | 1970-01-16 | 1971-06-29 | 72 | Details |
| US3588844A | Sense amplifier for single device per bit mosfet memories | Expired / Lapsed | 1969-07-07 | 1971-06-28 | 0 | Details |
| US3577005A | Transistor inverter circuit | Expired / Lapsed | 1969-11-24 | 1971-05-04 | 4 | Details |
| US3577643A | Borehole deformation gage | Expired / Lapsed | 1967-05-18 | 1971-05-04 | 12 | Details |
| US3564900A | End-point analyzer | Expired / Lapsed | 1968-04-10 | 1971-02-23 | 0 | Details |
| US3560450A | Lactone polymerization process with particulate initiator | Expired / Lapsed | 1968-12-23 | 1971-02-02 | 0 | Details |
| US3560864A | Voltage to pulse frequency converter | Expired / Lapsed | 1967-11-24 | 1971-02-02 | 0 | Details |
| US3554277A | Underwater wells | Expired / Lapsed | 1957-08-01 | 1971-01-12 | 28 | Details |
| US3550097A | Dc memory array | Expired / Lapsed | 1969-08-25 | 1970-12-22 | 0 | Details |
| US3548569A | Gas-liquid cyclone separator | Expired / Lapsed | 1969-08-14 | 1970-12-22 | 0 | Details |
| US3549868A | Fuel-mileage computer | Expired / Lapsed | 1966-06-23 | 1970-12-22 | 0 | Details |
| US3528065A | Double-rail random access memory circuit for integrated cir… | Expired / Lapsed | 1969-05-05 | 1970-09-08 | 0 | Details |
| US3524754A | Metal plating of plastics | Expired / Lapsed | 1967-04-28 | 1970-08-18 | 0 | Details |
| US3518609A | Telemetry drill pipe with ring-control electrode means | Expired / Lapsed | 1968-10-28 | 1970-06-30 | 0 | Details |
| US3516496A | Well completion and workover fluid and method of use thereof | Expired / Lapsed | 1968-07-29 | 1970-06-23 | 0 | Details |
| US3516492A | Underwater wellhead connector | Expired / Lapsed | 1968-05-23 | 1970-06-23 | 0 | Details |
| US3502143A | Marine riser support system | Expired / Lapsed | 1968-05-29 | 1970-03-24 | 0 | Details |
| US3501332A | Metal plating of plastics | Expired / Lapsed | 1967-04-28 | 1970-03-17 | 0 | Details |
| US3489813A | Alpha,alpha-bis(trifluoromethyl)benzyl alkapolyenyl ethers | Expired / Lapsed | 1967-08-21 | 1970-01-13 | 0 | Details |
| US3484740A | Producing acoustic holograms | Expired / Lapsed | 1967-12-07 | 1969-12-16 | 0 | Details |
| US3483170A | Carboxylic copolymer-cyclic ether reaction products | Expired / Lapsed | 1966-09-27 | 1969-12-09 | 0 | Details |
| US3473542A | In situ pipeline heat generation | Expired / Lapsed | 1967-09-08 | 1969-10-21 | 0 | Details |
| US3462398A | Continuous process polymerization of beta-lactones | Expired / Lapsed | 1966-08-22 | 1969-08-19 | 0 | Details |
| US3459442A | Subsea pipe coupling apparatus | Expired / Lapsed | 1967-11-29 | 1969-08-05 | 0 | Details |
| US3459831A | Block copolymer-polyethylene films | Expired / Lapsed | 1965-09-24 | 1969-08-05 | 0 | Details |
| US3453719A | Manufacturing diamond bits | Expired / Lapsed | 1967-03-06 | 1969-07-08 | 0 | Details |
| US3438693A | Spatial filtering system utilizing reflection optics | Expired / Lapsed | 1965-04-29 | 1969-04-15 | 0 | Details |
| US3420794A | Process for curing polyepoxides with a polyamine and result… | Expired / Lapsed | 1963-08-29 | 1969-01-07 | 0 | Details |
| US3393733A | Method of producing wells without plugging of tubing string | Expired / Lapsed | 1966-08-22 | 1968-07-23 | 2 | Details |
| US3383375A | Treatment of polypropylene articles | Expired / Lapsed | 1963-05-14 | 1968-05-14 | 2 | Details |
| US3378066A | Underwater wellhead connection | Expired / Lapsed | 1965-09-30 | 1968-04-16 | 0 | Details |
| US3372215A | Production of expandable polymer particles | Expired / Lapsed | 1966-03-16 | 1968-03-05 | 0 | Details |
| US3361979A | Apparatus for the detection of the slope of an electric sig… | Expired / Lapsed | 1964-03-17 | 1968-01-02 | 0 | Details |
| US3343409A | Method of determining sucker rod pump performance | Expired / Lapsed | 1966-10-21 | 1967-09-26 | 2 | Details |
| US3344215A | Production of expanded thermoplastic product | Expired / Lapsed | 1963-10-01 | 1967-09-26 | 2 | Details |
| US3338877A | Copolymers of ethylene/stilbene | Expired / Lapsed | 1966-05-31 | 1967-08-29 | 4 | Details |
| US3312812A | Inventory control system | Expired / Lapsed | 1963-05-29 | 1967-04-04 | 1 | Details |
| US3308880A | Through-the-flowline tool installation system | Expired / Lapsed | 1963-01-28 | 1967-03-14 | 2 | Details |
| US3307627A | Method and apparatus for connecting a pipe line to an under… | Expired / Lapsed | 1963-06-20 | 1967-03-07 | 2 | Details |
| US3302446A | Detecting an expendable oil pipe line plug | Expired / Lapsed | 1964-02-17 | 1967-02-07 | 2 | Details |
| US3298092A | Connection of underwater flowlines | Expired / Lapsed | 1964-03-23 | 1967-01-17 | 2 | Details |
| US3297586A | Vanadium complexes and polymerization catalyst prepared the… | Expired / Lapsed | 1964-12-29 | 1967-01-10 | 3 | Details |
| US3296238A | Polymerization process | Expired / Lapsed | 1962-10-23 | 1967-01-03 | 2 | Details |
| US3276941A | Method for butt-welding thermoplastic members and product | Expired / Lapsed | 1963-10-23 | 1966-10-04 | 2 | Details |
| US3277052A | Process for curing polyepoxides and resulting products | Expired / Lapsed | 1963-02-01 | 1966-10-04 | 4 | Details |
| US3265130A | Method and apparatus for drilling underwater wells | Expired / Lapsed | 1962-05-23 | 1966-08-09 | 1 | Details |
| US3265765A | Block polymers of monovinyl aromatic hydrocarbons and conju… | Expired / Lapsed | 1962-01-29 | 1966-08-09 | 3 | Details |
| US3259607A | Preparation of high molecular weight polyesters | Expired / Lapsed | 1963-03-25 | 1966-07-05 | 4 | Details |
| US3252131A | Method of acoustic well logging that retains characteristic… | Expired / Lapsed | 1962-09-10 | 1966-05-17 | 2 | Details |
| US3239478A | Block copolymer adhesive compositions and articles prepared… | Expired / Lapsed | 1963-06-26 | 1966-03-08 | 2 | Details |
| US3238273A | Polyurethanes and process for preparing same | Expired / Lapsed | 1962-06-29 | 1966-03-01 | 2 | Details |
| US3231635A | Process for the preparation of block copolymers | Expired / Lapsed | 1963-10-07 | 1966-01-25 | 2 | Details |
| US3230358A | Integrator-digitizer for fluctuating data | Expired / Lapsed | 1962-02-26 | 1966-01-18 | 2 | Details |
| US3227997A | Well logging | Expired / Lapsed | 1960-11-07 | 1966-01-04 | 2 | Details |
| US3222089A | Secondary release mechanism for fluid actuated couplings | Expired / Lapsed | 1962-11-09 | 1965-12-07 | 2 | Details |
| US3221817A | Marine conductor pipe assembly | Expired / Lapsed | 1962-09-13 | 1965-12-07 | 1 | Details |
| US3221816A | Underwater oil gathering installation | Expired / Lapsed | 1961-12-07 | 1965-12-07 | 2 | Details |
| US3222088A | Wellhead connector with diagonally directed latches | Expired / Lapsed | 1961-10-30 | 1965-12-07 | 2 | Details |
| US3211224A | Underwater well drilling apparatus | Expired / Lapsed | 1963-10-09 | 1965-10-12 | 2 | Details |
| US3199595A | Secondary control system for underwater wells | Expired / Lapsed | 1961-12-28 | 1965-08-10 | 2 | Details |
| US3199070A | Sonic control circuitry | Expired / Lapsed | 1963-01-14 | 1965-08-03 | 2 | Details |
| US3189098A | Marine conductor pipe assembly | Expired / Lapsed | 1961-12-29 | 1965-06-15 | 0 | Details |
| US3189881A | Pulse producing means for telemetering system | Expired / Lapsed | 1961-12-28 | 1965-06-15 | 2 | Details |
| US3186487A | Underwater well guide system | Expired / Lapsed | 1961-11-06 | 1965-06-01 | 2 | Details |
| US3177347A | Method and apparatus for determining the dynamic response o… | Expired / Lapsed | 1959-02-25 | 1965-04-06 | 2 | Details |
| US3168334A | Flexible pipe joint | Expired / Lapsed | 1961-11-28 | 1965-02-02 | 2 | Details |
| US3168337A | Wellhead assembly | Expired / Lapsed | 1960-11-28 | 1965-02-02 | 2 | Details |
| US3166123A | Method and apparatus for underwater wells | Expired / Lapsed | 1962-05-23 | 1965-01-19 | 2 | Details |
| US3166710A | Apparatus having segmented pickup coil and output circuit m… | Expired / Lapsed | 1960-11-14 | 1965-01-19 | 1 | Details |
| US3164993A | Instrument for measuring a physical condition | Expired / Lapsed | 1960-08-17 | 1965-01-12 | 1 | Details |
| US3163222A | Wellhead apparatus | Expired / Lapsed | 1961-04-24 | 1964-12-29 | 1 | Details |
| US3155452A | Trace reproducing system | Expired / Lapsed | 1961-12-07 | 1964-11-03 | 2 | Details |
| US3149182A | Process for preparing block copolymers utilizing organolith… | Expired / Lapsed | 1957-10-28 | 1964-09-15 | 2 | Details |
| US3147992A | Wellhead connector | Expired / Lapsed | 1961-04-27 | 1964-09-08 | 2 | Details |
| US3142344A | Method and apparatus for drilling underwater wells | Expired / Lapsed | 1960-12-21 | 1964-07-28 | 2 | Details |
| US3142343A | Method and apparatus for drilling underwater wells | Expired / Lapsed | 1960-12-14 | 1964-07-28 | 2 | Details |
| US3142337A | Hydraulic system for underwater wellheads | Expired / Lapsed | 1960-10-24 | 1964-07-28 | 2 | Details |
| US3137643A | Process for polymerizing isoolefins | Expired / Lapsed | 1959-12-14 | 1964-06-16 | 2 | Details |
| US3136974A | Method for removing echo effects from seismograms | Expired / Lapsed | 1960-03-28 | 1964-06-09 | 2 | Details |
| US3129199A | Process for preparing high impact material by polymerizing … | Expired / Lapsed | 1961-01-30 | 1964-04-14 | 2 | Details |
| US3115774A | Magnetostrictive drill string logging device | Expired / Lapsed | 1960-06-27 | 1963-12-31 | 2 | Details |
| US3116170A | Gaseous fuel cells | Expired / Lapsed | 1960-06-06 | 1963-12-31 | 2 | Details |
| US3116305A | Hydroxybenzyl esters | Expired / Lapsed | 1960-02-18 | 1963-12-31 | 2 | Details |
| US3112338A | Esters of hydroxybenzoic acids | Expired / Lapsed | 1961-02-13 | 1963-11-26 | 2 | Details |
| US3105453A | Ship control system | Expired / Lapsed | 1961-11-24 | 1963-10-01 | 2 | Details |
| US3105771A | Surfacing compositions comprising a mixture of a polyepoxid… | Expired / Lapsed | 1958-04-28 | 1963-10-01 | 2 | Details |
| US3102899A | Preparation of transition metal organic phosphite complexes | Expired / Lapsed | 1960-07-22 | 1963-09-03 | 2 | Details |
| US3101118A | Y-branched wellhead assembly | Expired / Lapsed | 1959-08-17 | 1963-08-20 | 2 | Details |
| US3094847A | Offshore platform structure | Expired / Lapsed | 1960-10-19 | 1963-06-25 | 2 | Details |
| US3091182A | Centrifugal pumps | Expired / Lapsed | 1960-12-08 | 1963-05-28 | 0 | Details |
| US3090440A | Pumpable well tool | Expired / Lapsed | 1960-08-10 | 1963-05-21 | 2 | Details |
| US3081256A | Process and apparatus for carrying out chemical reactions | Expired / Lapsed | 1960-05-09 | 1963-03-12 | 2 | Details |
| US3081276A | Oil-containing polymeric compositions and process for prepa… | Expired / Lapsed | 1960-02-08 | 1963-03-12 | 4 | Details |
| US3081289A | Polymerization apparatus and method | Expired / Lapsed | 1959-04-27 | 1963-03-12 | 2 | Details |
| US3068796A | Power level controller | Expired / Lapsed | 1959-11-20 | 1962-12-18 | 0 | Details |
| US3064735A | Wellhead assembly lock-down apparatus | Expired / Lapsed | 1959-08-17 | 1962-11-20 | 0 | Details |
| US3059237A | Chart recorder | Expired / Lapsed | 1959-05-11 | 1962-10-16 | 0 | Details |
| US3057809A | Flexible epoxy resin compositions and cured products | Expired / Lapsed | 1959-07-14 | 1962-10-09 | 1 | Details |
| US3053903A | Production of high molecular weight polyoxyalkylene compoun… | Expired / Lapsed | 1958-12-09 | 1962-09-11 | 2 | Details |
| US3052302A | Tool carrier with by-pass | Expired / Lapsed | 1960-07-25 | 1962-09-04 | 0 | Details |
| US3052735A | Preparation of diallylic compounds | Expired / Lapsed | 1960-04-08 | 1962-09-04 | 4 | Details |
| US3052299A | Underwater wellhead with remotelydetachable flow line | Expired / Lapsed | 1959-08-25 | 1962-09-04 | 0 | Details |
| US3052837A | Pipe finder | Expired / Lapsed | 1958-12-24 | 1962-09-04 | 0 | Details |
| US3050151A | Acoustical well logging | Expired / Lapsed | 1959-08-26 | 1962-08-21 | 0 | Details |
| US3047797A | Measuring conductivity of liquids | Expired / Lapsed | 1959-06-29 | 1962-07-31 | 0 | Details |
| US3047020A | Pipe line scraper diverter | Expired / Lapsed | 1959-01-06 | 1962-07-31 | 0 | Details |
| US3041090A | Pivoted tubing well connection | Expired / Lapsed | 1959-04-28 | 1962-06-26 | 0 | Details |
| US3033088A | Composition comprising a coal product, a polyepoxide and ab… | Expired / Lapsed | 1956-08-20 | 1962-05-08 | 4 | Details |
| US3030426A | Low ash polyoxyalkylene compounds and their preparation | Expired / Lapsed | 1958-12-12 | 1962-04-17 | 2 | Details |
| US3015635A | Compositions containing epoxy esters and bituminous materia… | Expired / Lapsed | 1957-05-21 | 1962-01-02 | 2 | Details |
| US3012487A | Polyepoxide compositions | Expired / Lapsed | 1959-04-10 | 1961-12-12 | 2 | Details |
| US3012485A | Bituminous compositions | Expired / Lapsed | 1959-03-30 | 1961-12-12 | 2 | Details |
| US3007134A | Remote telemetering and recording system | Expired / Lapsed | 1958-02-18 | 1961-10-31 | 0 | Details |
| US3006189A | Fluid flow recorder | Expired / Lapsed | 1956-06-25 | 1961-10-31 | 0 | Details |
| US2991269A | Process for preparing block copolymers by degrading a prefo… | Expired / Lapsed | 1956-02-21 | 1961-07-04 | 2 | Details |
| US2987366A | Data-recording system | Expired / Lapsed | 1957-06-24 | 1961-06-06 | 0 | Details |
| US2970983A | Epoxy-containing condensates of polyepoxides and acidic mat… | Expired / Lapsed | 1956-09-10 | 1961-02-07 | 2 | Details |
| US2966440A | Insecticidal compositions | Expired / Lapsed | 1957-05-06 | 1960-12-27 | 2 | Details |
| US2965615A | Polyurethanes and their preparation | Expired / Lapsed | 1958-04-03 | 1960-12-20 | 2 | Details |
| US2965174A | Off-shore well installation and method | Expired / Lapsed | 1958-01-27 | 1960-12-20 | 0 | Details |
| US2965114A | Method and apparatus for controlling the pumping of fluids … | Expired / Lapsed | 1957-10-14 | 1960-12-20 | 0 | Details |
| US2960870A | Method and apparatus for determination of surface areas | Expired / Lapsed | 1957-02-25 | 1960-11-22 | 0 | Details |
| US2956034A | Bituminous compositions | Expired / Lapsed | 1958-04-25 | 1960-10-11 | 2 | Details |
| US2953157A | Apparatus for controlling the pumping of fluids in a pipeli… | Expired / Lapsed | 1957-10-14 | 1960-09-20 | 0 | Details |
| US2952335A | Method of lubricating metal surfaces with a vaporous lubric… | Expired / Lapsed | 1958-02-18 | 1960-09-13 | 0 | Details |
| US2944620A | Method of recording seismograms and of preparing derived se… | Expired / Lapsed | 1955-05-03 | 1960-07-12 | 0 | Details |
| US2941922A | Insecticidal compositions | Expired / Lapsed | 1957-05-06 | 1960-06-21 | 2 | Details |
| US2939859A | Process for preparing resinified product from polyepoxy pol… | Expired / Lapsed | 1955-03-21 | 1960-06-07 | 2 | Details |
| US2934166A | Gas-demisting apparatus with drained mat | Expired / Lapsed | 1957-05-06 | 1960-04-26 | 0 | Details |