ConocoPhillips Co
ConocoPhilActive Patents
0
Total Holdings
70
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US5084617A | Fluorescence sensing apparatus for determining presence of … | Expired / Lapsed | 1990-05-17 | 1992-01-28 | 12 | Details |
| US4747452A | Wellbore cleaning device | Expired / Lapsed | 1986-09-30 | 1988-05-31 | 23 | Details |
| US4539369A | Process for producing poly (vinyl acetals) | Expired / Lapsed | 1984-07-30 | 1985-09-03 | 5 | Details |
| US4503149A | Method of microbial assay | Expired / Lapsed | 1983-06-06 | 1985-03-05 | 7 | Details |
| US4409825A | Down hole steam quality measurement | Expired / Lapsed | 1981-07-06 | 1983-10-18 | 24 | Details |
| US4355601A | Recirculating flue gas fluidized bed heater | Expired / Lapsed | 1981-09-25 | 1982-10-26 | 22 | Details |
| US4287902A | Method of transporting viscous hydrocarbons | Expired / Lapsed | 1979-11-05 | 1981-09-08 | 11 | Details |
| US4249554A | Method of transporting viscous hydrocarbons | Expired / Lapsed | 1979-01-26 | 1981-02-10 | 15 | Details |
| US4247846A | Alarm notification apparatus | Expired / Lapsed | 1979-04-11 | 1981-01-27 | 25 | Details |
| US4239052A | Method of transporting viscous hydrocarbons | Expired / Lapsed | 1979-02-21 | 1980-12-16 | 12 | Details |
| US3958102A | Inventory taking system for an automatic warehouse | Expired / Lapsed | 1974-10-21 | 1976-05-18 | 21 | Details |
| US3946293A | Thyristor control system | Expired / Lapsed | 1974-09-13 | 1976-03-23 | 25 | Details |
| US3874231A | Diffusion barrier chamber for sperry sun permagage type pre… | Expired / Lapsed | 1973-12-19 | 1975-04-01 | 9 | Details |
| US3846026A | Rotating beam surveying method and apparatus | Expired / Lapsed | 1971-11-01 | 1974-11-05 | 0 | Details |
| US3842270A | Pressurized oil-in-water monitor | Expired / Lapsed | 1973-10-29 | 1974-10-15 | 17 | Details |
| US3746643A | Grease and rust inhibitor compositions | Expired / Lapsed | 1970-10-21 | 1973-07-17 | 0 | Details |
| US3696084A | Process for replacing chloride groups in polyvinyl chloride | Expired / Lapsed | 1970-09-17 | 1972-10-03 | 0 | Details |
| US3661622A | Method of improving resistance to corrosion of metal surfac… | Expired / Lapsed | 1970-03-16 | 1972-05-09 | 26 | Details |
| US3565672A | Method of improving resistance to corrosion of metal surfac… | Expired / Lapsed | 1968-05-08 | 1971-02-23 | 0 | Details |
| US3523667A | Conduit spacer | Expired / Lapsed | 1968-02-07 | 1970-08-11 | 0 | Details |
| US3496530A | Method and apparatus for compositing seismic data | Expired / Lapsed | 1968-06-10 | 1970-02-17 | 0 | Details |
| US3462353A | Reference electrodes of particular utility in anodic corros… | Expired / Lapsed | 1966-03-02 | 1969-08-19 | 0 | Details |
| US3366924A | Method and apparatus for digital processing multi-trace sei… | Expired / Lapsed | 1966-03-28 | 1968-01-30 | 0 | Details |
| US3272731A | Erosion resistant reference electrode assembly | Expired / Lapsed | 1963-02-25 | 1966-09-13 | 2 | Details |
| US3219971A | Method and apparatus for maintaining phase relation | Expired / Lapsed | 1962-11-15 | 1965-11-23 | 2 | Details |
| US3209322A | Method of seismic prospecting | Expired / Lapsed | 1963-11-22 | 1965-09-28 | 1 | Details |
| US3208928A | Reference electrode bridge assembly | Expired / Lapsed | 1962-05-07 | 1965-09-28 | 2 | Details |
| US3208925A | Anodic protection against corrosion | Expired / Lapsed | 1960-01-07 | 1965-09-28 | 2 | Details |
| US3155451A | Optical correlating method and apparatus using temporary re… | Expired / Lapsed | 1962-11-15 | 1964-11-03 | 2 | Details |
| US3139747A | Flow regulator | Expired / Lapsed | 1961-07-03 | 1964-07-07 | 2 | Details |
| US3127508A | Method of determining time-phase coincidence between signals | Expired / Lapsed | 1959-05-11 | 1964-03-31 | 2 | Details |
| US3115602A | Continuous mud resistivity measuring device with electricit… | Expired / Lapsed | 1960-02-01 | 1963-12-24 | 2 | Details |
| US3103616A | Signal controlled inverter-power amplifier | Expired / Lapsed | 1961-12-08 | 1963-09-10 | 2 | Details |
| US3094170A | Subsurface well tubing safety valve | Expired / Lapsed | 1960-05-31 | 1963-06-18 | 2 | Details |
| US2989726A | Method of and apparatus for determining the travel time of … | Expired / Lapsed | 1954-04-28 | 1961-06-20 | 0 | Details |
| US2981347A | Underwater inspection apparatus | Expired / Lapsed | 1956-11-16 | 1961-04-25 | 0 | Details |
| US2981928A | Method for eliminating undesired components of composite re… | Expired / Lapsed | 1954-10-20 | 1961-04-25 | 0 | Details |
| US2941184A | Method for plotting seismic data | Expired / Lapsed | 1956-04-27 | 1960-06-14 | 0 | Details |
| US2874795A | Method and apparatus for determining the travel times of a … | Expired / Lapsed | 1954-10-20 | 1959-02-24 | 0 | Details |
| US2871446A | Wide-range resistance and resistivity measuring apparatus | Expired / Lapsed | 1955-01-28 | 1959-01-27 | 0 | Details |
| US2827425A | Method of forming protective coatings on iron articles | Expired / Lapsed | 1954-06-30 | 1958-03-18 | 2 | Details |
| US2752562A | Detection of water in crude oil flow | Expired / Lapsed | 1955-02-02 | 1956-06-26 | 2 | Details |
| US2750575A | Methods of and apparatus for seismogram analysis | Expired / Lapsed | 1953-04-06 | 1956-06-12 | 2 | Details |
| US2688124A | Method of and apparatus for determining travel time of sign… | Expired / Lapsed | 1953-02-27 | 1954-08-31 | 0 | Details |
| US2539220A | Seismographic record correlation system | Expired / Lapsed | 1944-06-22 | 1951-01-23 | 0 | Details |
| US2452515A | Method of making geophysical explorations | Expired / Lapsed | 1943-12-13 | 1948-10-26 | 0 | Details |
| US2377903A | System for geological exploration by elastic waves | Expired / Lapsed | 1933-05-01 | 1945-06-12 | 0 | Details |
| US2350323A | Fluid sampling device | Expired / Lapsed | 1942-08-22 | 1944-06-06 | 0 | Details |
| US2342904A | Gas pulsation dampener for pressure meters | Expired / Lapsed | 1941-11-10 | 1944-02-29 | 0 | Details |
| US2309817A | Method of making geophysical explorations | Expired / Lapsed | 1940-11-12 | 1943-02-02 | 0 | Details |
| US2292349A | Well pumping assembly | Expired / Lapsed | 1940-05-08 | 1942-08-11 | 0 | Details |
| US2279261A | Torsion gravimeter | Expired / Lapsed | 1939-10-25 | 1942-04-07 | 0 | Details |
| US2257752A | Lubricating oil | Expired / Lapsed | 1940-07-05 | 1941-10-07 | 0 | Details |
| US2251817A | Method of borehole logging | Expired / Lapsed | 1938-04-18 | 1941-08-05 | 0 | Details |
| US2207281A | Seismic method of logging boreholes | Expired / Lapsed | 1938-04-16 | 1940-07-09 | 0 | Details |
| US2199367A | Method of logging bore holes | Expired / Lapsed | 1938-08-10 | 1940-04-30 | 0 | Details |
| US2178540A | Bottom hole choke | Expired / Lapsed | 1937-08-28 | 1939-11-07 | 0 | Details |
| US2164196A | Means and method of making geophysical explorations | Expired / Lapsed | 1934-03-31 | 1939-06-27 | 0 | Details |
| US2161432A | Pyrometer well | Expired / Lapsed | 1937-01-18 | 1939-06-06 | 0 | Details |
| US2158198A | Method and apparatus for making geological explorations | Expired / Lapsed | 1935-07-25 | 1939-05-16 | 0 | Details |
| US2144812A | Method of geophysical exploration | Expired / Lapsed | 1934-10-03 | 1939-01-24 | 0 | Details |
| US2129281A | Lubricating oils | Expired / Lapsed | 1936-03-23 | 1938-09-06 | 0 | Details |
| US2117273A | Apparatus for removing oil from water | Expired / Lapsed | 1936-03-23 | 1938-05-17 | 0 | Details |
| US2053841A | Method and apparatus for making geophysical explorations | Expired / Lapsed | 1935-08-05 | 1936-09-08 | 0 | Details |
| US2049724A | Method of geological exploration | Expired / Lapsed | 1934-02-05 | 1936-08-04 | 0 | Details |
| US2046843A | Method of making geophysical explorations | Expired / Lapsed | 1934-03-16 | 1936-07-07 | 0 | Details |
| US2021865A | Process for converting hydrogen sulphide into sulphur | Expired / Lapsed | 1933-05-26 | 1935-11-19 | 0 | Details |
| US1998412A | Method of making geological explorations | Expired / Lapsed | 1934-03-29 | 1935-04-16 | 0 | Details |
| US1886009A | Device for preserving natural gas pressure in oil wells | Expired / Lapsed | 1931-11-23 | 1932-11-01 | 0 | Details |
| US1739093A | Gas separator | Expired / Lapsed | 1926-06-17 | 1929-12-10 | 0 | Details |