Shell USA Inc
Shell USAActive Patents
0
Total Holdings
70
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 |
| US5095082A | Polymerization process employing mixture of Diels-Alder add… | Expired / Lapsed | 1991-06-10 | 1992-03-10 | 28 | Details |
| US5070483A | Remote seismic sensing | Expired / Lapsed | 1990-01-12 | 1991-12-03 | 10 | Details |
| US4866983A | Analytical methods and apparatus for measuring the oil cont… | Expired / Lapsed | 1988-04-14 | 1989-09-19 | 11 | 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 |
| 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 |
| US3968181A | Modified acrylate resin | Expired / Lapsed | 1975-03-17 | 1976-07-06 | 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 |
| US3937753A | Acid dyeable polyesters | Expired / Lapsed | 1975-01-23 | 1976-02-10 | 10 | Details |
| US3937755A | Polyesters having improved disperse dyeability | Expired / Lapsed | 1975-01-23 | 1976-02-10 | 7 | Details |
| US3917607A | Block copolymer adhesive compositions | Expired / Lapsed | 1973-11-23 | 1975-11-04 | 7 | 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 |
| US3776744A | Alumina-transition metal oxide ceramic products of enhanced… | Expired / Lapsed | 1972-06-15 | 1973-12-04 | 2 | Details |
| US3748638A | Seismic exploration system | Expired / Lapsed | 1971-11-08 | 1973-07-24 | 12 | Details |
| US3678473A | Read-write circuit for capacitive memory arrays | Expired / Lapsed | 1970-06-04 | 1972-07-18 | 20 | 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 |
| US3588844A | Sense amplifier for single device per bit mosfet memories | Expired / Lapsed | 1969-07-07 | 1971-06-28 | 0 | Details |
| US3560864A | Voltage to pulse frequency converter | Expired / Lapsed | 1967-11-24 | 1971-02-02 | 0 | Details |
| US3550097A | Dc memory array | Expired / Lapsed | 1969-08-25 | 1970-12-22 | 0 | Details |
| US3549868A | Fuel-mileage computer | Expired / Lapsed | 1966-06-23 | 1970-12-22 | 0 | Details |
| US3524754A | Metal plating of plastics | Expired / Lapsed | 1967-04-28 | 1970-08-18 | 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 |
| 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 |
| 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 |
| US3420794A | Process for curing polyepoxides with a polyamine and result… | Expired / Lapsed | 1963-08-29 | 1969-01-07 | 0 | Details |
| US3372215A | Production of expandable polymer particles | Expired / Lapsed | 1966-03-16 | 1968-03-05 | 0 | Details |
| US3343409A | Method of determining sucker rod pump performance | Expired / Lapsed | 1966-10-21 | 1967-09-26 | 2 | Details |
| US3312812A | Inventory control system | Expired / Lapsed | 1963-05-29 | 1967-04-04 | 1 | Details |
| US3307627A | Method and apparatus for connecting a pipe line to an under… | Expired / Lapsed | 1963-06-20 | 1967-03-07 | 2 | Details |
| US3298092A | Connection of underwater flowlines | Expired / Lapsed | 1964-03-23 | 1967-01-17 | 2 | Details |
| US3265765A | Block polymers of monovinyl aromatic hydrocarbons and conju… | Expired / Lapsed | 1962-01-29 | 1966-08-09 | 3 | Details |
| US3252131A | Method of acoustic well logging that retains characteristic… | Expired / Lapsed | 1962-09-10 | 1966-05-17 | 2 | Details |
| US3230358A | Integrator-digitizer for fluctuating data | Expired / Lapsed | 1962-02-26 | 1966-01-18 | 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 |
| US3199595A | Secondary control system for underwater wells | Expired / Lapsed | 1961-12-28 | 1965-08-10 | 2 | Details |
| US3189881A | Pulse producing means for telemetering system | Expired / Lapsed | 1961-12-28 | 1965-06-15 | 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 |
| US3163222A | Wellhead apparatus | Expired / Lapsed | 1961-04-24 | 1964-12-29 | 1 | Details |
| US3142337A | Hydraulic system for underwater wellheads | Expired / Lapsed | 1960-10-24 | 1964-07-28 | 2 | Details |
| US3116170A | Gaseous fuel cells | Expired / Lapsed | 1960-06-06 | 1963-12-31 | 2 | Details |
| US3101118A | Y-branched wellhead assembly | Expired / Lapsed | 1959-08-17 | 1963-08-20 | 2 | Details |
| US3068796A | Power level controller | Expired / Lapsed | 1959-11-20 | 1962-12-18 | 0 | Details |
| US3059237A | Chart recorder | Expired / Lapsed | 1959-05-11 | 1962-10-16 | 0 | Details |
| US3053903A | Production of high molecular weight polyoxyalkylene compoun… | Expired / Lapsed | 1958-12-09 | 1962-09-11 | 2 | 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 |
| US3050151A | Acoustical well logging | Expired / Lapsed | 1959-08-26 | 1962-08-21 | 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 |
| US3007134A | Remote telemetering and recording system | Expired / Lapsed | 1958-02-18 | 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 |
| 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 |
| US2965114A | Method and apparatus for controlling the pumping of fluids … | Expired / Lapsed | 1957-10-14 | 1960-12-20 | 0 | 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 |