Inventor · disambiguated record
Andrew G. Papay
Also filed as: O'BRIEN JOSEPH P · PAPAY ANDREW G · PAPAY ANDREW GEORGE
29 granted patents·1,181 citations·filing 1977–1996
98Inventor score
Top patents by PatentIndex Score
29 records- 0199US4857214AOil-soluble phosphorus antiwear additives for lubricantsETHYL PETROLEUM ADDITIVES INC·Filed 1988·Granted Aug 15, 1989·268 cites·35 claims
- 0298US5652201ALubricating oil compositions and concentrates and the use thereofETHYL PETROLEUM ADDITIVES INC·Filed 1995·Granted Jul 29, 1997·239 cites·22 claims
- 0397US4178258ALubricating oil compositionCOOPER EDWIN INC·Filed 1978·Granted Dec 11, 1979·118 cites·13 claims
- 0493US5198133AModified succinimide or sucinamide dispersants and their productionETHYL PETROLEUM ADDITIVES INC·Filed 1992·Granted Mar 30, 1993·53 cites·21 claims
- 0593US4204969ALubricant composition containing sulfurized olefin extreme pressure additiveCOOPER EDWIN INC·Filed 1978·Granted May 27, 1980·62 cites·11 claims
- 0692US5817605AAutomatic transmission and wet brake fluids and additive package thereforETHYL PETROLEUM ADDITIVES INC·Filed 1991·Granted Oct 6, 1998·51 cites·41 claims
- 0792US4505834ALubricating oil compositions containing graft copolymer as viscosity index improver-dispersantCOOPER EDWIN INC·Filed 1980·Granted Mar 19, 1985·55 cites·16 claims
- 0886US4158633ALubricating oilCOOPER EDWIN INC·Filed 1978·Granted Jun 19, 1979·32 cites·9 claims
- 0985US4795583AShift-feel durability enhancementETHYL PETROLEUM ADDITIVES INC·Filed 1987·Granted Jan 3, 1989·34 cites·40 claims
- 1085US4293432ALubricating oil compositionETHYL CORP·Filed 1979·Granted Oct 6, 1981·30 cites·8 claims
- 1181US5174922AReducing copper corrosiveness of organic polysulfidesETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Dec 29, 1992·14 cites·33 claims
- 1280US4855074AHomogeneous additive concentrates and their formationETHYL PETROLEUM ADDITIVES INC·Filed 1988·Granted Aug 8, 1989·31 cites·39 claims
- 1378US4228020ALubricating oil compositionCOOPER EDWIN INC·Filed 1979·Granted Oct 14, 1980·21 cites·4 claims
- 1476US5164103APreconditioned atf fluids and their preparationETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Nov 17, 1992·25 cites·13 claims
- 1575US4582939AMercaptan productionETHYL PETROLEUM ADDITIVES INC·Filed 1984·Granted Apr 15, 1986·11 cites·7 claims
- 1671US4325827AFuel and lubricating compositions containing N-hydroxymethyl succinimidesCOOPER EDWIN INC·Filed 1981·Granted Apr 20, 1982·19 cites·8 claims
- 1770US4519929ALubricating oil composition containing N-allyl amide graft copolymersCOOPER EDWIN INC·Filed 1982·Granted May 28, 1985·19 cites·31 claims
- 1867US4356097AAlkylphosphonate lubricating oilCOOPER EDWIN INC·Filed 1979·Granted Oct 26, 1982·14 cites·6 claims
- 1961US4331545ALubricating compositions containing boronated N-alkanol hydrocarbylamideCOOPER EDWIN INC·Filed 1980·Granted May 25, 1982·14 cites·12 claims
- 2060US5256324AModified succinimide or succinamide dispersants and their productionETHYL PETROLEUM ADDITIVES INC·Filed 1991·Granted Oct 26, 1993·12 cites·44 claims
- 2160US4295983ALubricating oil composition containing boronated N-hydroxymethyl succinimide friction reducersETHYL CORP·Filed 1980·Granted Oct 20, 1981·13 cites·16 claims
- 2257US5612295ALubricant additive compositionsETHYL CORP·Filed 1996·Granted Mar 18, 1997·15 cites·22 claims
- 2355US5389273AModified succinimide or succinamide dispersants and their productionETHYL PETROLEUM ADDITIVES INC·Filed 1993·Granted Feb 14, 1995·9 cites·11 claims
- 2454US5439606AModified succinimide or succinamide dispersants and their productionETHYL PETROLEUM ADDITIVES INC·Filed 1994·Granted Aug 8, 1995·10 cites·15 claims
- 2537US4237020ALubricating and fuel compositions containing succinimide friction reducersCOOPER EDWIN INC·Filed 1979·Granted Dec 2, 1980·3 cites·10 claims
- 2635US4448974APolyalkylene succinimide lubricant additivesCOOPER EDWIN INC·Filed 1982·Granted May 15, 1984·3 cites·24 claims
- 2734US4246125ALubricating oil and fuel compositionCOOPER EDWIN INC·Filed 1979·Granted Jan 20, 1981·2 cites·12 claims
- 2832US4225449ALubricating oil and fuel compositionsCOOPER EDWIN INC·Filed 1979·Granted Sep 30, 1980·1 cites·22 claims
- 2932US4092341AProcess of making an oil solution of zinc dihydrocarbyldithiophosphatesCOOPER & CO LTD EDWIN·Filed 1977·Granted May 30, 1978·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →