Texaco Inc
Texaco IncActive Patents
0
Total Holdings
82
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US5415048A | Acoustic gas-liquid flow meter | Expired / Lapsed | 1994-06-27 | 1995-05-16 | 5 | Details |
| US5169559A | Method for forming a high viscosity gel | Expired / Lapsed | 1991-12-26 | 1992-12-08 | 5 | Details |
| US5014010A | Dual frequency microwave water cut monitoring means and met… | Expired / Lapsed | 1989-04-10 | 1991-05-07 | 16 | Details |
| US4977319A | Method for determining oil content of an underground format… | Expired / Lapsed | 1989-02-03 | 1990-12-11 | 10 | Details |
| US4133355A | Sealable dispensing nozzle with automatic shut-off | Expired / Lapsed | 1977-12-02 | 1979-01-09 | 5 | Details |
| US4048635A | Seismic playback/monitor system | Expired / Lapsed | 1975-09-15 | 1977-09-13 | 7 | Details |
| US3947664A | Highly accurate odometer | Expired / Lapsed | 1974-01-02 | 1976-03-30 | 5 | Details |
| US3872465A | Seismic playback/monitor system | Expired / Lapsed | 1973-04-27 | 1975-03-18 | 18 | Details |
| US3838076A | Polyurethane foams from partially aminated polyether polyols | Expired / Lapsed | 1973-03-12 | 1974-09-24 | 0 | Details |
| US3805857A | Vaporizable fuel transfer system and seal therefor | Expired / Lapsed | 1972-11-17 | 1974-04-23 | 7 | Details |
| US3792110A | Dehydrogenation process for converting n-paraffin hydrocarb… | Expired / Lapsed | 1971-12-29 | 1974-02-12 | 0 | Details |
| US3778694A | Electric motor control system for a beam-type pumping load | Expired / Lapsed | 1972-06-05 | 1973-12-11 | 5 | Details |
| US3733473A | Means and method for controlling the strength of acid in an… | Expired / Lapsed | 1971-08-05 | 1973-05-15 | 6 | Details |
| US3727012A | Calibrating a carrier erase magnetic tape analog recording … | Expired / Lapsed | 1971-11-19 | 1973-04-10 | 3 | Details |
| US3685046A | Seismic playback/monitor system | Expired / Lapsed | 1970-06-02 | 1972-08-15 | 16 | Details |
| US3673398A | Seismic playback system | Expired / Lapsed | 1971-06-30 | 1972-06-27 | 11 | Details |
| US3666788A | Cyanoalkylated polyoxyalkylene polyamines | Expired / Lapsed | 1969-08-22 | 1972-05-30 | 8 | Details |
| US3625655A | Acid analyzer | Expired / Lapsed | 1969-12-02 | 1971-12-07 | 0 | Details |
| US3610779A | Methods and systems for controlling pumping wells | Expired / Lapsed | 1967-12-22 | 1971-10-05 | 5 | Details |
| US3440512A | Electric motor control system for a beam type pumping load | Expired / Lapsed | 1965-12-28 | 1969-04-22 | 0 | Details |
| US3414635A | Hydroxyalkyl esters in surface coatings | Expired / Lapsed | 1965-10-18 | 1968-12-03 | 2 | Details |
| US3413535A | Electric motor control utilizing zener diode and integratin… | Expired / Lapsed | 1965-10-15 | 1968-11-26 | 0 | Details |
| US3399215A | Purification of p-dioxenes by azeotropic distillation with … | Expired / Lapsed | 1967-11-13 | 1968-08-27 | 0 | Details |
| US3362783A | Treatment of exhaust gases | Expired / Lapsed | 1963-12-23 | 1968-01-09 | 1 | Details |
| US3338302A | Control system for sub-sea apparatus | Expired / Lapsed | 1964-08-24 | 1967-08-29 | 2 | Details |
| US3311876A | Well logging | Expired / Lapsed | 1959-09-28 | 1967-03-28 | 2 | Details |
| US3304766A | Method for measuring two-phase fluid flow | Expired / Lapsed | 1964-01-17 | 1967-02-21 | 2 | Details |
| US3231619A | Basic primary amino polyether compositions | Expired / Lapsed | 1959-12-18 | 1966-01-25 | 2 | Details |
| US3177940A | Method for obtaining fresh water from brine | Expired / Lapsed | 1962-03-27 | 1965-04-13 | 2 | Details |
| US3155728A | Method for the preparation of polyglycol primary amine | Expired / Lapsed | 1960-10-11 | 1964-11-03 | 2 | Details |
| US3149490A | Well logging apparatus | Expired / Lapsed | 1958-10-09 | 1964-09-22 | 2 | Details |
| US3147154A | Method of depositing metal-containing material onto an exte… | Expired / Lapsed | 1961-05-25 | 1964-09-01 | 3 | Details |
| US3118127A | Acoustical velocity well logging | Expired / Lapsed | 1959-09-28 | 1964-01-14 | 2 | Details |
| US3102992A | Simultaneous plural spacing acoustical logging | Expired / Lapsed | 1959-09-28 | 1963-09-03 | 2 | Details |
| US3071203A | Acoustical velocity well logging | Expired / Lapsed | 1959-09-28 | 1963-01-01 | 2 | Details |
| US3048699A | Method and apparatus for measuring absorption spectra | Expired / Lapsed | 1958-05-15 | 1962-08-07 | 0 | Details |
| US3024643A | Apparatus and method for continuously determining viscosity | Expired / Lapsed | 1957-03-20 | 1962-03-13 | 0 | Details |
| US3013470A | Wedge structure for a double beam spectrophotometer | Expired / Lapsed | 1958-07-31 | 1961-12-19 | 0 | Details |
| US2961013A | Positive displacement type fluid filling machine having aut… | Expired / Lapsed | 1958-04-28 | 1960-11-22 | 0 | Details |
| US2947931A | Motor control systems | Expired / Lapsed | 1956-12-24 | 1960-08-02 | 0 | Details |
| US2931455A | Acoustic logging of wells | Expired / Lapsed | 1956-03-29 | 1960-04-05 | 0 | Details |
| US2887881A | Pressure measuring apparatus | Expired / Lapsed | 1956-03-09 | 1959-05-26 | 0 | Details |
| US2865463A | Determination of propagation characteristics of earth forma… | Expired / Lapsed | 1956-01-19 | 1958-12-23 | 0 | Details |
| US2836359A | Integration of electrical signals | Expired / Lapsed | 1954-11-01 | 1958-05-27 | 1 | Details |
| US2830883A | Gasification of sulfur-bearing carbonaceous fuels | Expired / Lapsed | 1954-04-29 | 1958-04-15 | 2 | Details |
| US2783449A | Seismic velocity measurement | Expired / Lapsed | 1953-08-28 | 1957-02-26 | 0 | Details |
| US2741705A | Radioactive well logging | Expired / Lapsed | 1951-01-30 | 1956-04-10 | 1 | Details |
| US2737804A | Relative permeability measurements | Expired / Lapsed | 1951-06-13 | 1956-03-13 | 2 | Details |
| US2724963A | Determination of effective nonwetting phase permeability | Expired / Lapsed | 1951-06-02 | 1955-11-29 | 2 | Details |
| US2692949A | Combination radioactivity borehole logging | Expired / Lapsed | 1951-12-29 | 1954-10-26 | 0 | Details |
| US2676660A | Corrosion prevention of offshore well tubing | Expired / Lapsed | 1950-02-24 | 1954-04-27 | 0 | Details |
| US2670442A | Radioactivity borehole logging apparatus | Expired / Lapsed | 1950-04-25 | 1954-02-23 | 2 | Details |
| US2656470A | Prospecting | Expired / Lapsed | 1951-03-19 | 1953-10-20 | 1 | Details |
| US2620890A | Seismic prospecting | Expired / Lapsed | 1947-12-01 | 1952-12-09 | 0 | Details |
| US2557636A | Amplifying and pulse selecting circuit for radiation detect… | Expired / Lapsed | 1946-06-12 | 1951-06-19 | 0 | Details |
| US2534346A | Internal-combustion engine | Expired / Lapsed | 1943-12-23 | 1950-12-19 | 0 | Details |
| US2483139A | Method and apparatus for logging boreholes | Expired / Lapsed | 1943-12-31 | 1949-09-27 | 0 | Details |
| US2454869A | Alkylation method | Expired / Lapsed | 1943-02-24 | 1948-11-30 | 0 | Details |
| US2443673A | Method of effecting catalytic conversions | Expired / Lapsed | 1944-05-03 | 1948-06-22 | 0 | Details |
| US2433554A | Well logging apparatus | Expired / Lapsed | 1942-10-27 | 1947-12-30 | 0 | Details |
| US2425512A | Measurement of thickness | Expired / Lapsed | 1945-11-21 | 1947-08-12 | 0 | Details |
| US2418892A | Radiation detector quenching circuit | Expired / Lapsed | 1945-04-24 | 1947-04-15 | 0 | Details |
| US2409544A | Alkylation of hydrocarbons | Expired / Lapsed | 1942-04-17 | 1946-10-15 | 0 | Details |
| US2384323A | Aliphatic-ether-alcohol derivatives of cashew nut shell oil | Expired / Lapsed | 1943-03-26 | 1945-09-04 | 0 | Details |
| US2381256A | Process for treating hydrocarbon fractions | Expired / Lapsed | 1942-10-06 | 1945-08-07 | 0 | Details |
| US2374313A | Treatment of hydrocarbons | Expired / Lapsed | 1942-01-08 | 1945-04-24 | 0 | Details |
| US2370162A | Method and apparatus for logging boreholes | Expired / Lapsed | 1941-10-16 | 1945-02-27 | 0 | Details |
| US2352433A | Well logging | Expired / Lapsed | 1943-02-12 | 1944-06-27 | 0 | Details |
| US2346486A | Method and apparatus for measuring thickness | Expired / Lapsed | 1941-10-07 | 1944-04-11 | 0 | Details |
| US2334239A | Stabilizfd grease composition | Expired / Lapsed | 1941-12-30 | 1943-11-16 | 0 | Details |
| US2334270A | Plywood binder | Expired / Lapsed | 1941-11-19 | 1943-11-16 | 0 | Details |
| US2323128A | Method and apparatus for determining liquid level | Expired / Lapsed | 1941-09-10 | 1943-06-29 | 0 | Details |
| US2316239A | Method and apparatus for determining density of fluids | Expired / Lapsed | 1941-08-20 | 1943-04-13 | 0 | Details |
| US2277756A | Method and apparatus for measuring thickness | Expired / Lapsed | 1940-06-26 | 1942-03-31 | 0 | Details |
| US2147578A | Sulphurized lubricant | Expired / Lapsed | 1936-01-30 | 1939-02-14 | 0 | Details |
| US2147606A | Method of and apparatus for gas analysis | Expired / Lapsed | 1934-04-05 | 1939-02-14 | 0 | Details |
| US2120132A | Method and apparatus for cleaning wells | Expired / Lapsed | 1936-12-23 | 1938-06-07 | 0 | Details |
| US2099155A | Liquid display device | Expired / Lapsed | 1936-06-11 | 1937-11-16 | 0 | Details |
| US2089790A | Method of forming a rolled joint | Expired / Lapsed | 1935-07-24 | 1937-08-10 | 0 | Details |
| US2064489A | Vibration detector | Expired / Lapsed | 1932-05-26 | 1936-12-15 | 0 | Details |
| US1909205A | Seismic method of profiling geologic formations | Expired / Lapsed | 1931-03-05 | 1933-05-16 | 0 | Details |
| US1738565A | Method and apparatus for utilizing high-frequency sound wav… | Expired / Lapsed | 1927-07-18 | 1929-12-10 | 0 | Details |