Chevron USA Inc
Chevron USActive Patents
0
Total Holdings
31
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4414053A | Polymer blends and easy-peel films prepared therefrom | Expired / Lapsed | 1982-12-06 | 1983-11-08 | 11 | Details |
| US4335044A | Plant growth regulating perfluoroacyl arylthioureido isoind… | Expired / Lapsed | 1981-05-11 | 1982-06-15 | 25 | Details |
| US4310140A | Pressure-controlled valve with small hold-up volume | Expired / Lapsed | 1979-09-28 | 1982-01-12 | 10 | Details |
| US4310884A | Microcomputer-controlled portable satellite signal simulato… | Expired / Lapsed | 1979-05-09 | 1982-01-12 | 13 | Details |
| US4238315A | Recovery of oil from oil shale | Expired / Lapsed | 1978-10-31 | 1980-12-09 | 15 | Details |
| US4162242A | Polyol stabilization additive for polypyrrolidone | Expired / Lapsed | 1978-05-24 | 1979-07-24 | 13 | Details |
| US4070375A | Process for preparing 1,4-dioxan-2-ones | Expired / Lapsed | 1976-08-05 | 1978-01-24 | 12 | Details |
| US4057537A | Copolymers of L-(-)-lactide and epsilon caprolactone | Expired / Lapsed | 1975-01-28 | 1977-11-08 | 9 | Details |
| US4045418A | Copolymers of D,L-lactide and epsilon caprolactone | Expired / Lapsed | 1975-01-28 | 1977-08-30 | 16 | Details |
| US4017465A | Process for polymerization of 2-pyrrolidone | Expired / Lapsed | 1975-01-23 | 1977-04-12 | 11 | Details |
| US3987001A | Ultraviolet protectorant composition | Expired / Lapsed | 1975-02-03 | 1976-10-19 | 5 | Details |
| US3968087A | Polymerization of 2-pyrrolidone | Expired / Lapsed | 1974-11-08 | 1976-07-06 | 9 | Details |
| US3943775A | Method and apparatus for predicting the explosiveness of a … | Expired / Lapsed | 1975-03-24 | 1976-03-16 | 20 | Details |
| US3933659A | Extended life functional fluid | Expired / Lapsed | 1974-07-11 | 1976-01-20 | 23 | Details |
| US3921500A | System for operating hydraulic apparatus | Expired / Lapsed | 1974-06-10 | 1975-11-25 | 18 | Details |
| US3862545A | Geothermal brine energy to generate power | Expired / Lapsed | 1974-04-25 | 1975-01-28 | 18 | Details |
| US3859231A | Simplified process for manufacture of catalyst component | Expired / Lapsed | 1972-10-13 | 1975-01-07 | 12 | Details |
| US3852207A | Production of stable lubricating oils by sequential hydrocr… | Expired / Lapsed | 1973-03-26 | 1974-12-03 | 17 | Details |
| US3698881A | Synthesis gas production | Expired / Lapsed | 1970-08-05 | 1972-10-17 | 0 | Details |
| US3675121A | Dielectric constant measurement method | Expired / Lapsed | 1970-06-26 | 1972-07-04 | 11 | Details |
| US3558582A | Chlorinated polyvinylidene fluoride | Expired / Lapsed | 1967-11-13 | 1971-01-26 | 0 | Details |
| US3487005A | Production of low pour point lubricating oils by catalytic … | Expired / Lapsed | 1968-02-12 | 1969-12-30 | 0 | Details |
| US3457987A | Orifice sealing devices | Expired / Lapsed | 1967-11-28 | 1969-07-29 | 0 | Details |
| US3450632A | Method for simultaneously coalescing,filtering and removing… | Expired / Lapsed | 1967-05-03 | 1969-06-17 | 0 | Details |
| US3410939A | Method for severing sleeve sections from an elongated tubul… | Expired / Lapsed | 1965-03-17 | 1968-11-12 | 0 | Details |
| US3389563A | Apparatus for laying submarine pipelines | Expired / Lapsed | 1966-04-11 | 1968-06-25 | 2 | Details |
| US3380020A | Method and apparatus for dividing measurable variable inter… | Expired / Lapsed | 1966-05-20 | 1968-04-23 | 0 | Details |
| US3318387A | Drilling method and apparatus | Expired / Lapsed | 1964-09-28 | 1967-05-09 | 2 | Details |
| US3308881A | Method and apparatus for offshore well completion | Expired / Lapsed | 1962-11-05 | 1967-03-14 | 1 | Details |
| US3277157A | Polyoxyalkylene acrylates and methacrylates | Expired / Lapsed | 1963-07-09 | 1966-10-04 | 2 | Details |
| US3269320A | Pump control method and apparatus | Expired / Lapsed | 1964-06-16 | 1966-08-30 | 2 | Details |