California Research LLC
CaliforniaActive Patents
0
Total Holdings
35
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB874178A | Apparatus for drilling offshore wells | Expired / Lapsed | 1958-04-14 | — | 0 | Details |
| US3766519A | Method for processing surface detected seismic data to plot… | Expired / Lapsed | 1970-06-08 | 1973-10-16 | 12 | Details |
| US3149303A | Seismic cross-section plotter | Expired / Lapsed | 1959-09-29 | 1964-09-15 | 2 | Details |
| US3088592A | Control system | Expired / Lapsed | 1961-03-20 | 1963-05-07 | 2 | Details |
| US3025123A | Variable density display for seismic data | Expired / Lapsed | 1958-03-19 | 1962-03-13 | 0 | Details |
| US2991160A | Engine exhaust gas purifying system | Expired / Lapsed | 1958-03-19 | 1961-07-04 | 2 | Details |
| US2956261A | Bubble oscillation eliminator | Expired / Lapsed | 1956-01-26 | 1960-10-11 | 0 | Details |
| US2942932A | Process of oxidizing carbon monoxide and hydrocarbon in exh… | Expired / Lapsed | 1957-04-01 | 1960-06-28 | 2 | Details |
| US2934741A | Calibrated automatic gain control for seismic amplifiers | Expired / Lapsed | 1956-01-16 | 1960-04-26 | 0 | Details |
| US2923366A | Seismic prospecting method | Expired / Lapsed | 1952-03-07 | 1960-02-02 | 0 | Details |
| US2907351A | Means for protecting well casing from corrosion | Expired / Lapsed | 1955-12-05 | 1959-10-06 | 0 | Details |
| US2883548A | Radioactivity well log transmission system | Expired / Lapsed | 1955-11-04 | 1959-04-21 | 0 | Details |
| US2870716A | Booster pump station control | Expired / Lapsed | 1953-05-05 | 1959-01-27 | 0 | Details |
| US2864072A | Method and apparatus for eliminating phase distortion in se… | Expired / Lapsed | 1954-06-16 | 1958-12-09 | 0 | Details |
| US2858475A | Method and apparatus for visually analyzing a plurality of … | Expired / Lapsed | 1954-02-02 | 1958-10-28 | 0 | Details |
| US2856495A | Resistance type corrosion probe for pipes | Expired / Lapsed | 1956-05-21 | 1958-10-14 | 0 | Details |
| US2856537A | Circular scanning system for recording nuclear energy spect… | Expired / Lapsed | 1954-08-23 | 1958-10-14 | 0 | Details |
| US2838743A | Normal moveout correction with common drive for recording m… | Expired / Lapsed | 1955-04-05 | 1958-06-10 | 0 | Details |
| US2807797A | Noise elimination in fm recording | Expired / Lapsed | 1955-03-14 | 1957-09-24 | 0 | Details |
| US2790964A | Logging tool | Expired / Lapsed | 1954-03-02 | 1957-04-30 | 0 | Details |
| US2772393A | Water-in-oil detector | Expired / Lapsed | 1952-12-23 | 1956-11-27 | 0 | Details |
| US2723232A | Method for inhibiting oil well corrosion | Expired / Lapsed | 1952-10-29 | 1955-11-08 | 2 | Details |
| US2694179A | Method for electrical well-logging | Expired / Lapsed | 1950-03-13 | 1954-11-09 | 0 | Details |
| US2692231A | Microbiocidal water treatment | Expired / Lapsed | 1950-09-05 | 1954-10-19 | 2 | Details |
| US2687378A | Lubricating oil composition | Expired / Lapsed | 1951-12-11 | 1954-08-24 | 2 | Details |
| US2679533A | Addition products of halogen and quaternary ammonium germic… | Expired / Lapsed | 1951-11-03 | 1954-05-25 | 4 | Details |
| US2666009A | Quaternary ammonium germicide compositions | Expired / Lapsed | 1950-09-05 | 1954-01-12 | 2 | Details |
| US2666010A | Quaternary ammonium germicidal compositions | Expired / Lapsed | 1950-09-05 | 1954-01-12 | 2 | Details |
| US2599545A | Cyclic adsorption process | Expired / Lapsed | 1947-12-26 | 1952-06-10 | 0 | Details |
| US2528347A | Nonflammable hydraulic fluid | Expired / Lapsed | 1948-07-13 | 1950-10-31 | 1 | Details |
| US2517523A | Biological window | Expired / Lapsed | 1949-04-15 | 1950-08-01 | 2 | Details |
| US2511621A | Esters of cyclohexadiene polycarboxylic acids | Expired / Lapsed | 1946-02-08 | 1950-06-13 | 2 | Details |
| US2504965A | Electrical bridge network | Expired / Lapsed | 1949-02-15 | 1950-04-25 | 0 | Details |
| US2477383A | Sulfonated detergent and its method of preparation | Expired / Lapsed | 1946-12-26 | 1949-07-26 | 0 | Details |
| US2421907A | Well pressure gauge | Expired / Lapsed | 1944-12-26 | 1947-06-10 | 0 | Details |