Inventor · disambiguated record
Earl Clark, Jr.
Also filed as: CLARK EARL · CLARK EARL A · CLARK JR EARL
28 granted patents·509 citations·filing 1972–1997
97Inventor score
Top patents by PatentIndex Score
28 records- 0189US4132238AAutomatic separator valveCLARK EARL A·Filed 1977·Granted Jan 2, 1979·48 cites·10 claims
- 0288US4838732AElastomeric sealing deviceCLARK STEPHEN E·Filed 1982·Granted Jun 13, 1989·46 cites·3 claims
- 0386US5290953AProcess for producing sulfolane compoundsPHILLIPS PETROLEUM CO·Filed 1993·Granted Mar 1, 1994·33 cites·16 claims
- 0483US5124376AUse of phenol as rapid inverse latex inversion promoter and solution viscosity enhancerPHILLIPS PETROLEUM CO·Filed 1991·Granted Jun 23, 1992·38 cites·20 claims
- 0579US4604216ADrilling fluidsPHILLIPS PETROLEUM CO·Filed 1984·Granted Aug 5, 1986·52 cites·37 claims
- 0675US5290479ASurfactant system of polyethoxylated compounds and glyceride compoundsPHILLIPS PETROLEUM CO·Filed 1990·Granted Mar 1, 1994·23 cites·6 claims
- 0774US4906701AInverse emulsion polymerizationPHILLIPS PETROLEUM CO·Filed 1988·Granted Mar 6, 1990·21 cites·10 claims
- 0874US4055713AIodine molecular weight regulators in suspension polymerization systemsPHILLIPS PETROLEUM CO·Filed 1976·Granted Oct 25, 1977·18 cites·16 claims
- 0972US4997582ACompositions for acid treating subterranean formationsPHILLIPS PETROLEUM CO·Filed 1989·Granted Mar 5, 1991·23 cites·20 claims
- 1071US4764574AInverse emulsion polymerization with sorbitan fatty acid esters and ethoxylated alcoholPHILLIPS PETROLEUM CO·Filed 1986·Granted Aug 16, 1988·30 cites·17 claims
- 1169US4312181AHeat engine with variable volume displacement meansCLARK EARL A·Filed 1979·Granted Jan 26, 1982·19 cites·33 claims
- 1266US4808698AProduction of aromatic sulfide/sulfone polymersPHILLIPS PETROLEUM CO·Filed 1987·Granted Feb 28, 1989·14 cites·36 claims
- 1365US4370252AEmulsion polymerization process utilizing a highly dispersed organosulfur molecular weight modifierPHILLIPS PETROLEUM CO·Filed 1980·Granted Jan 25, 1983·13 cites·23 claims
- 1462US4753981APolymerization processPHILLIPS PETROLEUM CO·Filed 1987·Granted Jun 28, 1988·13 cites·17 claims
- 1562US4353683AStirling cycle engine and fluid pumpCLARK EARL A·Filed 1980·Granted Oct 12, 1982·17 cites·8 claims
- 1662US3983187AIodine molecular weight regulators in suspension polymerization systemsPHILLIPS PETROLEUM CO·Filed 1974·Granted Sep 28, 1976·10 cites·13 claims
- 1760US5347018AProcess for producing sulfolane compoundsPHILLIPS PETROLEUM CO·Filed 1993·Granted Sep 13, 1994·9 cites·19 claims
- 1857US4580592AFloat controlled separator valveCLARK STEPHEN E·Filed 1983·Granted Apr 8, 1986·14 cites·11 claims
- 1956US4775010AMethods and compositions for acid treating subterranean formationsPHILLIPS PETROLEUM CO·Filed 1988·Granted Oct 4, 1988·16 cites·13 claims
- 2053US4245072AEmulsion polymerization process utilizing a highly dispersed organosulfur molecular weight modifierPHILLIPS PETROLEUM CO·Filed 1979·Granted Jan 13, 1981·7 cites·40 claims
- 2153US3935136APreparation of impact plastic compositionsPHILLIPS PETROLEUM CO·Filed 1972·Granted Jan 27, 1976·9 cites·26 claims
- 2248US3935148ARecovery and recycle of latex produced in used aqueous suspension mediumPHILLIPS PETROLEUM CO·Filed 1972·Granted Jan 27, 1976·6 cites·9 claims
- 2346US5110901AHigher molecular weight arylene sulfide resin and process for its preparationPHILLIPS PETROLEUM CO·Filed 1990·Granted May 5, 1992·7 cites·58 claims
- 2444US4548982ADrilling fluidsPHILLIPS PETROLEUM CO·Filed 1983·Granted Oct 22, 1985·8 cites·29 claims
- 2542US5932671APolymerization processPHILLIPS PETROLEUM CO·Filed 1997·Granted Aug 3, 1999·6 cites·5 claims
- 2641US5331069AMethod of treating poly(arylene sulfide sulfone) polymers and polymersPHILLIPS PETROLEUM CO·Filed 1992·Granted Jul 19, 1994·4 cites·21 claims
- 2740US5374709AProduction of granular poly(arylene sulfide) polymers containing reduced amounts of oligomersPHILLIPS PETROLEUM CO·Filed 1992·Granted Dec 20, 1994·4 cites·10 claims
- 2837US5512261AProcess for removing sulfur dioxide from fluidsPHILLIPS PETROLEUM CO·Filed 1995·Granted Apr 30, 1996·1 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →