Assignee
OCCIDENTAL PETROLEUM CORP
101 granted patents·3,670 citations·filing 1973–2003
Top patents by PatentIndex Score
101 records- 0199US4005752AMethod of igniting in situ oil shale retort with fuel rich flue gasOCCIDENTAL PETROLEUM CORP·Filed 1975·Granted Feb 1, 1977·404 cites·13 claims
- 0298US4087130AProcess for the gasification of coal in situOCCIDENTAL PETROLEUM CORP·Filed 1977·Granted May 2, 1978·388 cites·35 claims
- 0397US4322222AProcess for the gasification of carbonaceous materialsOCCIDENTAL PETROLEUM CORP·Filed 1980·Granted Mar 30, 1982·165 cites·32 claims
- 0497US4064018AInternally circulating fast fluidized bed flash pyrolysis reactorOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Dec 20, 1977·114 cites·34 claims
- 0597US3941421AApparatus for obtaining uniform gas flow through an in situ oil shale retortOCCIDENTAL PETROLEUM CORP·Filed 1974·Granted Mar 2, 1976·182 cites·4 claims
- 0695US4153514APyrolysis process for solid wastesOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted May 8, 1979·230 cites·40 claims
- 0795US4077847ASolid waste disposal systemOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Mar 7, 1978·117 cites·21 claims
- 0895US4014575ASystem for fuel and products of oil shale retortOCCIDENTAL PETROLEUM CORP·Filed 1974·Granted Mar 29, 1977·150 cites·10 claims
- 0994US4145274APyrolysis with staged recoveryOCCIDENTAL PETROLEUM CORP·Filed 1977·Granted Mar 20, 1979·74 cites·44 claims
- 1093US4147593AFlash pyrolysis of organic solid waste employing ash recycleOCCIDENTAL PETROLEUM CORP·Filed 1977·Granted Apr 3, 1979·63 cites·23 claims
- 1191US4225415ARecovering hydrocarbons from hydrocarbon-containing vaporsOCCIDENTAL PETROLEUM CORP·Filed 1979·Granted Sep 30, 1980·65 cites·84 claims
- 1291US4166786APyrolysis and hydrogenation processOCCIDENTAL PETROLEUM CORP·Filed 1977·Granted Sep 4, 1979·56 cites·67 claims
- 1391US4102773APyrolysis with cyclone burnerOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Jul 25, 1978·81 cites·31 claims
- 1491US4085030APyrolysis of carbonaceous materials with solvent quench recoveryOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Apr 18, 1978·87 cites·78 claims
- 1591US4083751AContinuous feed pyrolysis chamber for decomposing solid wasteOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Apr 11, 1978·75 cites·6 claims
- 1690US4146359AMethod for reacting nongaseous material with a gaseous reactantOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Mar 27, 1979·55 cites·25 claims
- 1789US4357802AGeothermal energy productionOCCIDENTAL PETROLEUM CORP·Filed 1980·Granted Nov 9, 1982·53 cites·1 claims
- 1888US4141794AGrid-wall pyrolysis reactorOCCIDENTAL PETROLEUM CORP·Filed 1977·Granted Feb 27, 1979·39 cites·29 claims
- 1988US4078973ALoop pyrolysis process for organic solid wastesOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Mar 14, 1978·53 cites·16 claims
- 2086US4229185AProcess for the gasification of carbonaceous materialsOCCIDENTAL PETROLEUM CORP·Filed 1975·Granted Oct 21, 1980·32 cites·30 claims
- 2186US4108732AHeating carbonaceous particulate materialOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Aug 22, 1978·61 cites·29 claims
- 2285US4243489APyrolysis reactor and fluidized bed combustion chamberOCCIDENTAL PETROLEUM CORP·Filed 1978·Granted Jan 6, 1981·32 cites·60 claims
- 2385US4162959AProduction of hydrogenated hydrocarbonsOCCIDENTAL PETROLEUM CORP·Filed 1977·Granted Jul 31, 1979·34 cites·26 claims
- 2484US4105502ASimplified liquefaction pyrolysis process and apparatus thereforOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Aug 8, 1978·26 cites·19 claims
- 2584US4065282AMethod of recovery of glass from municipal wasteOCCIDENTAL PETROLEUM CORP·Filed 1977·Granted Dec 27, 1977·38 cites·17 claims
- 2683US4196591AWave powered energy generatorOCCIDENTAL PETROLEUM CORP·Filed 1978·Granted Apr 8, 1980·54 cites·22 claims
- 2782US4137156ASeparation of non-magnetic conductive metalsOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Jan 30, 1979·45 cites·8 claims
- 2882US4070273AGlass recoveryOCCIDENTAL PETROLEUM CORP·Filed 1975·Granted Jan 24, 1978·33 cites·12 claims
- 2982US4027917AMethod for igniting the top surface of oil shale in an in situ retortOCCIDENTAL PETROLEUM CORP·Filed 1975·Granted Jun 7, 1977·24 cites·18 claims
- 3081US4358344AProcess for the production and recovery of fuel values from coalOCCIDENTAL PETROLEUM CORP·Filed 1977·Granted Nov 9, 1982·34 cites·73 claims
- 3179US6828383B2Phenolic modified resorcinolic resins for rubber compoundingOCCIDENTAL PETROLEUM CORP·Filed 2003·Granted Dec 7, 2004·18 cites·41 claims
- 3278US4055486AMethod and apparatus for handling solid fluidized particlesOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Oct 25, 1977·18 cites·35 claims
- 3377US4334959AMixing method and apparatusOCCIDENTAL PETROLEUM CORP·Filed 1980·Granted Jun 15, 1982·29 cites·18 claims
- 3477US4101416AProcess for hydrogenation of hydrocarbon tarsOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Jul 18, 1978·24 cites·18 claims
- 3577US4101263AMethod for heating nongaseous carbonaceous materialOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Jul 18, 1978·18 cites·23 claims
- 3677US4070250APyrolysis of carbonaceous materials in a double helix cycloneOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Jan 24, 1978·13 cites·23 claims
- 3777US3994343AProcess for in situ oil shale retorting with off gas recyclingOCCIDENTAL PETROLEUM CORP·Filed 1974·Granted Nov 30, 1976·29 cites·38 claims
- 3876US4272960AProcess and system for recovery of working fluid for direct contact heat exchangeOCCIDENTAL PETROLEUM CORP·Filed 1978·Granted Jun 16, 1981·31 cites·6 claims
- 3976US4220630AHemihydrate type process for phosphoric acid manufacture using additive to improve filterabilityOCCIDENTAL PETROLEUM CORP·Filed 1978·Granted Sep 2, 1980·21 cites·14 claims
- 4075US4039390AFeed system for pyrolysis reactorsOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Aug 2, 1977·21 cites·65 claims
- 4173US4263124AProcess for minimizing solids contamination of liquids from coal pyrolysisOCCIDENTAL PETROLEUM CORP·Filed 1979·Granted Apr 21, 1981·21 cites·34 claims
- 4273US4135982AMethod for preventing plugging in the pyrolysis of agglomerative coalsOCCIDENTAL PETROLEUM CORP·Filed 1978·Granted Jan 23, 1979·20 cites·48 claims
- 4373US4101412AProcess and apparatus for rapid pyrolysis of carbonaceous materialsOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Jul 18, 1978·20 cites·30 claims
- 4471US4627458AOne-step process for transforming a water-in-oil emulsion into an oil-in-water emulsionOCCIDENTAL PETROLEUM CORP·Filed 1985·Granted Dec 9, 1986·19 cites·17 claims
- 4567US4054420AProcess for the desulfurization of carbonaceous fuels with aqueous caustic and oxygenOCCIDENTAL PETROLEUM CORP·Filed 1974·Granted Oct 18, 1977·13 cites·17 claims
- 4667US4007963AOil collection and recovery system for in situ oil shale retortOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Feb 15, 1977·11 cites·16 claims
- 4767US3988221AElectrolytic removal of heavy metal ions using particulate silicon alloysOCCIDENTAL PETROLEUM CORP·Filed 1975·Granted Oct 26, 1976·13 cites·17 claims
- 4867US3944653AProcess for preparing high purity antimony trichloride and antimony oxide from stibnite oresOCCIDENTAL PETROLEUM CORP·Filed 1973·Granted Mar 16, 1976·12 cites·14 claims
- 4966US4196172AHemihydrate type phosphoric acid processOCCIDENTAL PETROLEUM CORP·Filed 1977·Granted Apr 1, 1980·18 cites·16 claims
- 5064US4426280AProcess for removing nitrogen from shale oilOCCIDENTAL PETROLEUM CORP·Filed 1982·Granted Jan 17, 1984·17 cites·47 claims
Showing the top 50 of 101 patent records by PatentIndex Score.
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