California Research LLC
CaliforniaActive Patents
0
Total Holdings
70
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 |
| US3185643A | Oxidation resistant lubricants | Expired / Lapsed | 1962-09-28 | 1965-05-25 | 2 | Details |
| US3149303A | Seismic cross-section plotter | Expired / Lapsed | 1959-09-29 | 1964-09-15 | 2 | Details |
| US3149302A | Information selection programmer employing relative amplitu… | Expired / Lapsed | 1959-09-28 | 1964-09-15 | 1 | Details |
| US3103020A | Mooring buoy assembly | Expired / Lapsed | 1960-09-13 | 1963-09-10 | 2 | Details |
| US3088592A | Control system | Expired / Lapsed | 1961-03-20 | 1963-05-07 | 2 | Details |
| US3049620A | Scintillation detector cooling system | Expired / Lapsed | 1959-08-20 | 1962-08-14 | 0 | Details |
| US3029269A | Silicon esters | Expired / Lapsed | 1956-08-21 | 1962-04-10 | 2 | Details |
| US3025123A | Variable density display for seismic data | Expired / Lapsed | 1958-03-19 | 1962-03-13 | 0 | Details |
| US3021909A | Means for offshore drilling | Expired / Lapsed | 1958-10-01 | 1962-02-20 | 0 | Details |
| US3011346A | Apparatus for gravity gradient surveying | Expired / Lapsed | 1957-07-11 | 1961-12-05 | 0 | Details |
| US3011342A | Methods for detecting fluid flow in a well bore | Expired / Lapsed | 1957-06-21 | 1961-12-05 | 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 |
| US2922070A | Seismic signal analysis with cathode ray storage tube | Expired / Lapsed | 1954-08-24 | 1960-01-19 | 0 | Details |
| US2912164A | Seismic record statistical computer | Expired / Lapsed | 1955-05-02 | 1959-11-10 | 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 |
| US2869226A | Cable assembly method and apparatus | Expired / Lapsed | 1954-03-24 | 1959-01-20 | 0 | Details |
| US2865355A | Internal combustion engine fuel system | Expired / Lapsed | 1955-12-14 | 1958-12-23 | 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 |
| US2857522A | Radioactive bore hole logging | Expired / Lapsed | 1951-06-16 | 1958-10-21 | 2 | 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 |
| US2843138A | Liquid proportioner | Expired / Lapsed | 1954-12-27 | 1958-07-15 | 0 | Details |
| US2838743A | Normal moveout correction with common drive for recording m… | Expired / Lapsed | 1955-04-05 | 1958-06-10 | 0 | Details |
| US2810898A | Removing normal moveout from seismic traces | Expired / Lapsed | 1954-12-28 | 1957-10-22 | 0 | Details |
| US2807797A | Noise elimination in fm recording | Expired / Lapsed | 1955-03-14 | 1957-09-24 | 0 | Details |
| US2802951A | Frequency transforming system for well bore signaling | Expired / Lapsed | 1954-05-28 | 1957-08-13 | 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 |
| US2766400A | Methods and apparatus for oscilloscopically displaying a pl… | Expired / Lapsed | 1955-06-13 | 1956-10-09 | 0 | Details |
| US2765872A | Method for the recovery of hydrocarbon vapors | Expired / Lapsed | 1955-01-31 | 1956-10-09 | 2 | Details |
| US2765455A | Removing normal moveout from seismic traces | Expired / Lapsed | 1955-04-18 | 1956-10-02 | 0 | Details |
| FR1112203A | Linear superpolymers of mixed diamines | Expired / Lapsed | 1954-09-20 | 1956-03-09 | 0 | Details |
| US2725486A | Method and apparatus for well logging | Expired / Lapsed | 1952-12-09 | 1955-11-29 | 1 | Details |
| US2723232A | Method for inhibiting oil well corrosion | Expired / Lapsed | 1952-10-29 | 1955-11-08 | 2 | Details |
| US2717242A | Polyoxyalkylene lubricant composition | Expired / Lapsed | 1951-12-05 | 1955-09-06 | 2 | Details |
| US2715620A | Linear superpolyamides of 5-t-butylisophthalic acid | Expired / Lapsed | 1953-10-29 | 1955-08-16 | 2 | Details |
| US2709686A | Non-caking detergent compositions | Expired / Lapsed | 1951-09-14 | 1955-05-31 | 0 | 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 |
| US2666010A | Quaternary ammonium germicidal compositions | Expired / Lapsed | 1950-09-05 | 1954-01-12 | 2 | Details |
| US2666009A | Quaternary ammonium germicide compositions | Expired / Lapsed | 1950-09-05 | 1954-01-12 | 2 | Details |
| US2655631A | Method and apparatus for detecting fluid movement in well b… | Expired / Lapsed | 1951-04-28 | 1953-10-13 | 0 | Details |
| US2643263A | Higher secondary-alkyl orthosilicates | Expired / Lapsed | 1950-09-22 | 1953-06-23 | 2 | Details |
| US2599545A | Cyclic adsorption process | Expired / Lapsed | 1947-12-26 | 1952-06-10 | 0 | Details |
| US2592519A | Turbodrill thrust balancing apparatus | Expired / Lapsed | 1948-11-08 | 1952-04-08 | 0 | Details |
| US2543735A | Lubricating composition | Expired / Lapsed | 1949-08-19 | 1951-02-27 | 2 | Details |
| US2528347A | Nonflammable hydraulic fluid | Expired / Lapsed | 1948-07-13 | 1950-10-31 | 1 | Details |
| US2522016A | Di-organo peroxide | Expired / Lapsed | 1948-12-13 | 1950-09-12 | 2 | 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 |
| US2498533A | Resinous compositions | Expired / Lapsed | 1946-03-19 | 1950-02-21 | 2 | Details |
| US2487717A | Apparatus for controlling catalyst regeneration | Expired / Lapsed | 1944-05-22 | 1949-11-08 | 0 | Details |
| US2478951A | Flaw detection fluid | Expired / Lapsed | 1944-05-23 | 1949-08-16 | 0 | Details |
| US2477383A | Sulfonated detergent and its method of preparation | Expired / Lapsed | 1946-12-26 | 1949-07-26 | 0 | Details |
| US2469295A | Synthetic resins and method for producing same | Expired / Lapsed | 1945-04-03 | 1949-05-03 | 0 | Details |
| US2421907A | Well pressure gauge | Expired / Lapsed | 1944-12-26 | 1947-06-10 | 0 | Details |
| US2398416A | Compounded oil | Expired / Lapsed | 1943-05-10 | 1946-04-16 | 0 | Details |
| US2398415A | Mineral oil composition and the like | Expired / Lapsed | 1943-02-22 | 1946-04-16 | 0 | Details |