Assignee
ATLANTIC RICHFIELD CO
US·1,849 granted patents·63,166 citations·filing 1969–2001
Top patents by PatentIndex Score
1,849 records- 0199US4523049AMethane conversion processATLANTIC RICHFIELD CO·Filed 1984·Granted Jun 11, 1985·96 cites·45 claims
- 0299US4489782AViscous oil production using electrical current heating and lateral drain holesATLANTIC RICHFIELD CO·Filed 1983·Granted Dec 25, 1984·351 cites·26 claims
- 0398US5535632ASystems and methods for measuring flow rates and densities of the components of oil, water and gas mixturesATLANTIC RICHFIELD CO·Filed 1994·Granted Jul 16, 1996·183 cites·22 claims
- 0498US4849571AHydrocarbon productionATLANTIC RICHFIELD CO·Filed 1988·Granted Jul 18, 1989·82 cites·5 claims
- 0598US4777313ABoron-promoted reducible metal oxides and methods of their useATLANTIC RICHFIELD CO·Filed 1986·Granted Oct 11, 1988·90 cites·41 claims
- 0698US4665261AHydrocarbon conversion process using a molten saltATLANTIC RICHFIELD CO·Filed 1985·Granted May 12, 1987·132 cites·13 claims
- 0798US4663495ATransparent photovoltaic moduleATLANTIC RICHFIELD CO·Filed 1985·Granted May 5, 1987·293 cites·40 claims
- 0898US4640353AElectrode well and method of completionATLANTIC RICHFIELD CO·Filed 1986·Granted Feb 3, 1987·301 cites·21 claims
- 0998US4486207AApparatus for reducing attrition of particulate matter in a chemical conversion processATLANTIC RICHFIELD CO·Filed 1982·Granted Dec 4, 1984·140 cites·21 claims
- 1098US4226601AProcess for reducing sulfur contaminant emissions from burning coal or lignite that contains sulfurATLANTIC RICHFIELD CO·Filed 1977·Granted Oct 7, 1980·101 cites·8 claims
- 1197US5721710AHigh fidelity vibratory source seismic method with source separationATLANTIC RICHFIELD CO·Filed 1996·Granted Feb 24, 1998·228 cites·20 claims
- 1297US5435400ALateral well drillingATLANTIC RICHFIELD CO·Filed 1994·Granted Jul 25, 1995·296 cites·15 claims
- 1397US4915745AThin film solar cell and method of makingATLANTIC RICHFIELD CO·Filed 1988·Granted Apr 10, 1990·256 cites·24 claims
- 1497US4883125ACementing oil and gas wells using converted drilling fluidATLANTIC RICHFIELD CO·Filed 1987·Granted Nov 28, 1989·211 cites·18 claims
- 1597US4721818APurification of polyols prepared using double metal cyanide complex catalystsATLANTIC RICHFIELD CO·Filed 1987·Granted Jan 26, 1988·155 cites·12 claims
- 1697US4651825AEnhanced well productionATLANTIC RICHFIELD CO·Filed 1986·Granted Mar 24, 1987·327 cites·10 claims
- 1797US4636578APhotocell assemblyATLANTIC RICHFIELD CO·Filed 1985·Granted Jan 13, 1987·163 cites·11 claims
- 1897US4629718AAlkali promoted manganese oxide compositions containing silica and/or alkaline earth oxidesATLANTIC RICHFIELD CO·Filed 1984·Granted Dec 16, 1986·89 cites·36 claims
- 1997US4554395AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Nov 19, 1985·69 cites·38 claims
- 2097US4443649AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Apr 17, 1984·57 cites·23 claims
- 2197US4244348AProcess for cleaving crystalline materialsATLANTIC RICHFIELD CO·Filed 1979·Granted Jan 13, 1981·114 cites·7 claims
- 2297US4176720AWell cementing in permafrostATLANTIC RICHFIELD CO·Filed 1978·Granted Dec 4, 1979·109 cites·12 claims
- 2397US3986557AProduction of bitumen from tar sandsATLANTIC RICHFIELD CO·Filed 1975·Granted Oct 19, 1976·244 cites·1 claims
- 2496US5874387AMethod and cement-drilling fluid cement composition for cementing a wellboreATLANTIC RICHFIELD CO·Filed 1996·Granted Feb 23, 1999·131 cites·29 claims
- 2596USRE35632EMethane conversion processATLANTIC RICHFIELD CO·Filed 1993·Granted Oct 14, 1997·61 cites·1 claims
- 2696US5431228ADownhole gas-liquid separator for wellsATLANTIC RICHFIELD CO·Filed 1994·Granted Jul 11, 1995·184 cites·9 claims
- 2796US5038614AAcoustic vibration detection of fluid leakage from conduitsATLANTIC RICHFIELD CO·Filed 1989·Granted Aug 13, 1991·122 cites·18 claims
- 2896US5030366ASpacer fluidsATLANTIC RICHFIELD CO·Filed 1989·Granted Jul 9, 1991·152 cites·11 claims
- 2996US4852395AThree phase fluid flow measuring systemATLANTIC RICHFIELD CO·Filed 1988·Granted Aug 1, 1989·148 cites·20 claims
- 3096US4798660AMethod for forming Cu In Se2 filmsATLANTIC RICHFIELD CO·Filed 1986·Granted Jan 17, 1989·298 cites·7 claims
- 3196US4778494ACyclone inlet flow diverter for separator vesselsATLANTIC RICHFIELD CO·Filed 1987·Granted Oct 18, 1988·135 cites·10 claims
- 3296US4744245AAcoustic measurements in rock formations for determining fracture orientationATLANTIC RICHFIELD CO·Filed 1986·Granted May 17, 1988·205 cites·18 claims
- 3396US4611091ACuInSe2 thin film solar cell with thin CdS and transparent window layerATLANTIC RICHFIELD CO·Filed 1984·Granted Sep 9, 1986·197 cites·5 claims
- 3496US4567307ATwo-step methane conversion processATLANTIC RICHFIELD CO·Filed 1984·Granted Jan 28, 1986·58 cites·15 claims
- 3596US4517403ASeries connected solar cells and method of formationATLANTIC RICHFIELD CO·Filed 1983·Granted May 14, 1985·204 cites·14 claims
- 3696US4499658ASolar cell laminatesATLANTIC RICHFIELD CO·Filed 1983·Granted Feb 19, 1985·241 cites·9 claims
- 3796US4465575AMethod for forming photovoltaic cells employing multinary semiconductor filmsATLANTIC RICHFIELD CO·Filed 1983·Granted Aug 14, 1984·216 cites·13 claims
- 3896US4443648AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Apr 17, 1984·52 cites·22 claims
- 3996US4443645AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Apr 17, 1984·53 cites·22 claims
- 4096US4417029ADerivatization of star-block copolymersATLANTIC RICHFIELD CO·Filed 1981·Granted Nov 22, 1983·99 cites·51 claims
- 4196US4396394AMethod for producing a dried coal fuel having a reduced tendency to spontaneously ignite from a low rank coalATLANTIC RICHFIELD CO·Filed 1981·Granted Aug 2, 1983·134 cites·7 claims
- 4296US4148613AProcess for preparing sulfur-containing coal or lignite for combustionATLANTIC RICHFIELD CO·Filed 1977·Granted Apr 10, 1979·78 cites·7 claims
- 4396US3945914AProcess for "sulfur reduction of an oxidized hydrocarbon by forming a metal-sulfur-containing compound"ATLANTIC RICHFIELD CO·Filed 1974·Granted Mar 23, 1976·83 cites·14 claims
- 4495US6090754ASurfactant blends for well operationATLANTIC RICHFIELD CO·Filed 1997·Granted Jul 18, 2000·138 cites·14 claims
- 4595US5961279ATurbine power plant having minimal-contact brush seal augmented labyrinth sealATLANTIC RICHFIELD CO·Filed 1997·Granted Oct 5, 1999·95 cites·12 claims
- 4695US5959170AMethane conversion processATLANTIC RICHFIELD CO·Filed 1985·Granted Sep 28, 1999·98 cites·5 claims
- 4795US5719821AMethod and apparatus for source separation of seismic vibratory signalsATLANTIC RICHFIELD CO·Filed 1995·Granted Feb 17, 1998·161 cites·28 claims
- 4895US5224372AMulti-phase fluid flow measurementATLANTIC RICHFIELD CO·Filed 1991·Granted Jul 6, 1993·97 cites·12 claims
- 4995US5045409AProcess for making thin film solar cellATLANTIC RICHFIELD CO·Filed 1988·Granted Sep 3, 1991·189 cites·10 claims
- 5095US4830105ACentralizer for wellbore apparatusATLANTIC RICHFIELD CO·Filed 1988·Granted May 16, 1989·155 cites·3 claims
Showing the top 50 of 1,849 patent records by PatentIndex Score.
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