Sunoco Inc
Sunoco IncActive Patents
0
Total Holdings
70
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB769806A | "improvements relating to methods and apparatus for impedan… | Expired / Lapsed | 1955-05-02 | — | 0 | Details |
| US3815784A | Dispensing nozzle arrangement providing electrical lockout | Expired / Lapsed | 1972-08-14 | 1974-06-11 | 11 | Details |
| US3739845A | Wellbore safety valve | Expired / Lapsed | 1971-03-26 | 1973-06-19 | 15 | Details |
| US3574550A | Means of identifying crude oil and other materials | Expired / Lapsed | 1968-10-18 | 1971-04-13 | 0 | Details |
| US3342902A | Hot melt adhesive having pressure sensitivity comprising at… | Expired / Lapsed | 1965-07-21 | 1967-09-19 | 2 | Details |
| US3282341A | Triple flow control device for flow conductors | Expired / Lapsed | 1963-09-25 | 1966-11-01 | 2 | Details |
| US3242326A | Method and apparatus for the analysis of seismic records | Expired / Lapsed | 1959-06-29 | 1966-03-22 | 2 | Details |
| US3208968A | Metal coordination complexes of o-hydroxybenzalphenylhydraz… | Expired / Lapsed | 1961-10-23 | 1965-09-28 | 4 | Details |
| US3100764A | Control of pentane-soluble polymers in the polymerization o… | Expired / Lapsed | 1960-08-04 | 1963-08-13 | 1 | Details |
| US3088315A | Liquid transfer metering system | Expired / Lapsed | 1959-12-09 | 1963-05-07 | 2 | Details |
| US3081031A | Calculating apparatus for price and volume indicators | Expired / Lapsed | 1958-03-18 | 1963-03-12 | 2 | Details |
| US3076375A | Colorimeter with linear absorbance scale | Expired / Lapsed | 1960-07-29 | 1963-02-05 | 2 | Details |
| US3074493A | Apparatus for bore hole drilling and logging | Expired / Lapsed | 1957-11-04 | 1963-01-22 | 2 | Details |
| US3069656A | Remote reading apparatus | Expired / Lapsed | 1957-10-14 | 1962-12-18 | 0 | Details |
| US3065404A | Bore hole logging apparatus | Expired / Lapsed | 1957-09-10 | 1962-11-20 | 0 | Details |
| US3047795A | Bore hole logging methods and apparatus | Expired / Lapsed | 1958-01-17 | 1962-07-31 | 0 | Details |
| US3043508A | Electronic multiplier for fluid dispensers | Expired / Lapsed | 1958-09-24 | 1962-07-10 | 0 | Details |
| US3042258A | Metering means | Expired / Lapsed | 1958-05-23 | 1962-07-03 | 0 | Details |
| US3036585A | Fuel dispensing system | Expired / Lapsed | 1958-08-08 | 1962-05-29 | 0 | Details |
| US3008792A | Method and apparatus for reproduction and display of seismi… | Expired / Lapsed | 1957-08-05 | 1961-11-14 | 0 | Details |
| US2997690A | Apparatus for display of seismic signals | Expired / Lapsed | 1954-06-29 | 1961-08-22 | 0 | Details |
| US2993874A | Rubber-like compositions obtained by extending high viscosi… | Expired / Lapsed | 1955-06-17 | 1961-07-25 | 2 | Details |
| US2987456A | Flash photolysis process | Expired / Lapsed | 1959-07-27 | 1961-06-06 | 2 | Details |
| US2977479A | Detector for carboniferous gas | Expired / Lapsed | 1959-05-20 | 1961-03-28 | 0 | Details |
| US2942618A | High-low automatic shut-off valve | Expired / Lapsed | 1958-08-21 | 1960-06-28 | 0 | Details |
| US2943258A | Apparatus for impedance measurements | Expired / Lapsed | 1954-08-12 | 1960-06-28 | 0 | Details |
| US2937006A | Underwater drilling rig | Expired / Lapsed | 1957-05-17 | 1960-05-17 | 0 | Details |
| US2936096A | Fuel dispensing system | Expired / Lapsed | 1958-02-21 | 1960-05-10 | 0 | Details |
| US2929020A | Apparatus for impedance measurements | Expired / Lapsed | 1955-04-19 | 1960-03-15 | 0 | Details |
| US2911433A | Naphthenic acid derivatives and their preparation | Expired / Lapsed | 1956-05-23 | 1959-11-03 | 1 | Details |
| US2880908A | Apparatus for dispensing and pricing selected blends of two… | Expired / Lapsed | 1957-07-16 | 1959-04-07 | 0 | Details |
| US2879126A | Method and apparatus for magnetic recording in a bore hole | Expired / Lapsed | 1952-05-10 | 1959-03-24 | 0 | Details |
| US2870776A | Liquid proportioning system | Expired / Lapsed | 1954-06-21 | 1959-01-27 | 0 | Details |
| US2858505A | Apparatus for the detection of foreign bodies | Expired / Lapsed | 1953-09-18 | 1958-10-28 | 0 | Details |
| US2829076A | Method of preventing staining of aluminum during annealing | Expired / Lapsed | 1955-03-17 | 1958-04-01 | 2 | Details |
| US2828258A | Aqueous drilling fluid | Expired / Lapsed | 1955-11-28 | 1958-03-25 | 2 | Details |
| US2800585A | Electronic switch | Expired / Lapsed | 1954-01-13 | 1957-07-23 | 2 | Details |
| US2790137A | Electrical prospecting method and apparatus | Expired / Lapsed | 1953-06-12 | 1957-04-23 | 2 | Details |
| US2779872A | Integration circuit | Expired / Lapsed | 1952-10-24 | 1957-01-29 | 0 | Details |
| US2742408A | Catalytic reaction process | Expired / Lapsed | 1952-04-24 | 1956-04-17 | 2 | Details |
| US2727002A | Non-foaming drilling fluid | Expired / Lapsed | 1952-12-31 | 1955-12-13 | 2 | Details |
| US2709918A | Tank gauge | Expired / Lapsed | 1950-01-17 | 1955-06-07 | 0 | Details |
| US2682652A | Measuring and control system | Expired / Lapsed | 1951-07-11 | 1954-06-29 | 0 | Details |
| US2670799A | Collapsible pipe plug | Expired / Lapsed | 1950-10-20 | 1954-03-02 | 0 | Details |
| US2665332A | Magnetic measuring method and apparatus | Expired / Lapsed | 1949-11-25 | 1954-01-05 | 0 | Details |
| US2662126A | Seismographic amplifier mixing circuits | Expired / Lapsed | 1950-03-23 | 1953-12-08 | 0 | Details |
| US2653007A | Apparatus for orienting tools | Expired / Lapsed | 1948-11-03 | 1953-09-22 | 0 | Details |
| US2640358A | Sampler | Expired / Lapsed | 1947-12-11 | 1953-06-02 | 0 | Details |
| US2605638A | Flowmeter | Expired / Lapsed | 1946-04-13 | 1952-08-05 | 0 | Details |
| US2590982A | Well logging apparatus | Expired / Lapsed | 1946-09-20 | 1952-04-01 | 0 | Details |
| US2587555A | Mass spectrometer | Expired / Lapsed | 1948-10-26 | 1952-02-26 | 2 | Details |
| US2567548A | Well tubing calipering and recording device | Expired / Lapsed | 1946-08-07 | 1951-09-11 | 0 | Details |
| US2539009A | Cylindrical recording chart construction | Expired / Lapsed | 1945-10-26 | 1951-01-23 | 0 | Details |
| US2526857A | Method for logging wells | Expired / Lapsed | 1949-06-10 | 1950-10-24 | 0 | Details |
| US2509389A | Electronic means for suppressing inphase interference | Expired / Lapsed | 1945-09-11 | 1950-05-30 | 0 | Details |
| US2480240A | Alkylation of isoparaffins | Expired / Lapsed | 1945-11-20 | 1949-08-30 | 0 | Details |
| US2459196A | Electrical logging method and apparatus | Expired / Lapsed | 1938-12-22 | 1949-01-18 | 0 | Details |
| US2451605A | Apparatus for measuring density of a thixotropic fluid | Expired / Lapsed | 1946-06-12 | 1948-10-19 | 0 | Details |
| US2441572A | Cyclic process for separating aromatic hydrocarbons from a … | Expired / Lapsed | 1944-07-18 | 1948-05-18 | 0 | Details |
| US2435985A | Electromagnetic apparatus for detecting flaws in suspended … | Expired / Lapsed | 1942-08-12 | 1948-02-17 | 0 | Details |
| US2418876A | Apparatus for collecting fluid samples | Expired / Lapsed | 1944-10-06 | 1947-04-15 | 0 | Details |
| US2390770A | Method of producing petroleum | Expired / Lapsed | 1942-10-10 | 1945-12-11 | 0 | Details |
| US2371658A | Method and apparatus for determining current flow in boreho… | Expired / Lapsed | 1941-03-27 | 1945-03-20 | 0 | Details |
| US2248051A | Offshore drilling rig | Expired / Lapsed | 1938-12-28 | 1941-07-08 | 0 | Details |
| US2243729A | Method for analysis of seismographic records | Expired / Lapsed | 1938-08-20 | 1941-05-27 | 0 | Details |
| US2231544A | Method of breaking foam | Expired / Lapsed | 1938-06-16 | 1941-02-11 | 0 | Details |
| US2121614A | Cylinder gauge | Expired / Lapsed | 1936-02-04 | 1938-06-21 | 0 | Details |
| US2085677A | High pressure heat exchanger | Expired / Lapsed | 1935-08-15 | 1937-06-29 | 0 | Details |
| US2049233A | Control system for pipe lines | Expired / Lapsed | 1934-09-01 | 1936-07-28 | 0 | Details |
| US1666666A | Oil tank | Expired / Lapsed | 1926-06-08 | 1928-04-17 | 0 | Details |