Patent Explorer
Browse, filter, and analyze 82 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US5415048A | Acoustic gas-liquid flow meter | Texaco Inc | Expired / Lapsed | 1994-06-27 | 1995-05-16 | 2014-06-27 | 0.0 yrs | 5 | |
| US5169559A | Method for forming a high viscosity gel | Texaco Inc | Expired / Lapsed | 1991-12-26 | 1992-12-08 | 2011-12-26 | 0.0 yrs | 5 | |
| US5014010A | Dual frequency microwave water cut monitoring means and method | Texaco Inc | Expired / Lapsed | 1989-04-10 | 1991-05-07 | 2009-04-10 | 0.0 yrs | 16 | |
| US4977319A | Method for determining oil content of an underground formation | Texaco Inc | Expired / Lapsed | 1989-02-03 | 1990-12-11 | 2009-02-03 | 0.0 yrs | 10 | |
| US4133355A | Sealable dispensing nozzle with automatic shut-off | Texaco Inc | Expired / Lapsed | 1977-12-02 | 1979-01-09 | 1997-12-02 | 0.0 yrs | 5 | |
| US4048635A | Seismic playback/monitor system | Texaco Inc | Expired / Lapsed | 1975-09-15 | 1977-09-13 | 1995-09-15 | 0.0 yrs | 7 | |
| US3947664A | Highly accurate odometer | Texaco Inc | Expired / Lapsed | 1974-01-02 | 1976-03-30 | 1994-01-02 | 0.0 yrs | 5 | |
| US3872465A | Seismic playback/monitor system | Texaco Inc | Expired / Lapsed | 1973-04-27 | 1975-03-18 | 1993-04-27 | 0.0 yrs | 18 | |
| US3838076A | Polyurethane foams from partially aminated polyether polyols | Texaco Inc | Expired / Lapsed | 1973-03-12 | 1974-09-24 | 1993-03-12 | 0.0 yrs | 0 | |
| US3805857A | Vaporizable fuel transfer system and seal therefor | Texaco Inc | Expired / Lapsed | 1972-11-17 | 1974-04-23 | 1992-11-17 | 0.0 yrs | 7 | |
| US3792110A | Dehydrogenation process for converting n-paraffin hydrocarbon into n-olefin hydrocarbon | Texaco Inc | Expired / Lapsed | 1971-12-29 | 1974-02-12 | 1991-12-29 | 0.0 yrs | 0 | |
| US3778694A | Electric motor control system for a beam-type pumping load | Texaco Inc | Expired / Lapsed | 1972-06-05 | 1973-12-11 | 1992-06-05 | 0.0 yrs | 5 | |
| US3733473A | Means and method for controlling the strength of acid in an alkylation unit | Texaco Inc | Expired / Lapsed | 1971-08-05 | 1973-05-15 | 1991-08-05 | 0.0 yrs | 6 | |
| US3727012A | Calibrating a carrier erase magnetic tape analog recording system | Texaco Inc | Expired / Lapsed | 1971-11-19 | 1973-04-10 | 1991-11-19 | 0.0 yrs | 3 | |
| US3685046A | Seismic playback/monitor system | Texaco Inc | Expired / Lapsed | 1970-06-02 | 1972-08-15 | 1990-06-02 | 0.0 yrs | 16 | |
| US3673398A | Seismic playback system | Texaco Inc | Expired / Lapsed | 1971-06-30 | 1972-06-27 | 1991-06-30 | 0.0 yrs | 11 | |
| US3666788A | Cyanoalkylated polyoxyalkylene polyamines | Texaco Inc | Expired / Lapsed | 1969-08-22 | 1972-05-30 | 1989-08-22 | 0.0 yrs | 8 | |
| US3625655A | Acid analyzer | Texaco Inc | Expired / Lapsed | 1969-12-02 | 1971-12-07 | 1989-12-02 | 0.0 yrs | 0 | |
| US3610779A | Methods and systems for controlling pumping wells | Texaco Inc | Expired / Lapsed | 1967-12-22 | 1971-10-05 | 1987-12-22 | 0.0 yrs | 5 | |
| US3440512A | Electric motor control system for a beam type pumping load | Texaco Inc | Expired / Lapsed | 1965-12-28 | 1969-04-22 | 1985-12-28 | 0.0 yrs | 0 |
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