Inventor · disambiguated record
William Y. Lam
Also filed as: LAM WILLIAM Y
32 granted patents·12 pending applications·548 citations·filing 1983–2019
97Inventor score
Files withAFTON CHEMICAL CORP16ETHYL PETROLEUM ADDITIVES INC10LAM WILLIAM Y6ETHYL CORP4COOPER EDWIN INC2
Top patents by PatentIndex Score
44 records- 0198US6599865B1Effective antioxidant combination for oxidation and deposit control in crankcase lubricantsETHYL CORP·Filed 2002·Granted Jul 29, 2003·86 cites·80 claims
- 0297US11155764B2Lubricants for use in boosted enginesAFTON CHEMICAL CORP·Filed 2017·Granted Oct 26, 2021·17 cites·19 claims
- 0396US10214703B2Lubricants with zinc dialkyl dithiophosphate and their use in boosted internal combustion enginesAFTON CHEMICAL CORP·Filed 2016·Granted Feb 26, 2019·19 cites·18 claims
- 0495US9068135B1Lubricating oil composition and additive therefor having improved piston deposit control and emulsion stabilityAFTON CHEMICAL CORP·Filed 2014·Granted Jun 30, 2015·10 cites·21 claims
- 0593US6096695ASulfurized phenolic antioxidant composition, method of preparing same, and petroleum products containing sameETHYL CORP·Filed 1996·Granted Aug 1, 2000·64 cites·16 claims
- 0691US4957643ALubricant compositionsETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Sep 18, 1990·52 cites·7 claims
- 0791US4885365ADithiocarbanate lubricant compositionsETHYL PETROLEUM ADDITIVES INC·Filed 1988·Granted Dec 5, 1989·53 cites·3 claims
- 0890US4946610ASulfur-bridged phenolic antioxidantsETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Aug 7, 1990·48 cites·21 claims
- 0989US4876375ANorbornyl dithiocarbamatesETHYL PETROLEUM ADDITIVES INC·Filed 1988·Granted Oct 24, 1989·52 cites·4 claims
- 1088US4927552ALubricating oil compositionETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted May 22, 1990·51 cites·9 claims
- 1185US9663743B2Lubricating method and composition for reducing engine depositsGRIFFIN PAUL G·Filed 2009·Granted May 30, 2017·7 cites·8 claims
- 1284US10377963B2Lubricants for use in boosted enginesAFTON CHEMICAL CORP·Filed 2017·Granted Aug 13, 2019·2 cites·16 claims
- 1384US8084403B2Lubricant formulations and methodsLAM WILLIAM Y·Filed 2009·Granted Dec 27, 2011·10 cites·18 claims
- 1484US7776800B2Titanium-containing lubricating oil compositionAFTON CHEMICAL CORP·Filed 2005·Granted Aug 17, 2010·7 cites·19 claims
- 1578US4563302ASulfurized olefin processCOOPER EDWIN INC·Filed 1983·Granted Jan 7, 1986·24 cites·24 claims
- 1676US7897548B2Additives and lubricant formulations for improved antiwear propertiesAFTON CHEMICAL CORP·Filed 2007·Granted Mar 1, 2011·2 cites·41 claims
- 1770US8034752B2Lubricating compositionAFTON CHEMICAL CORP·Filed 2008·Granted Oct 11, 2011·2 cites·15 claims
- 1868US7879774B2Titanium-containing lubricating oil compositionAFTON CHEMICAL CORP·Filed 2006·Granted Feb 1, 2011·2 cites·37 claims
- 1960US4487706AMetal deactivator as a lubricant additiveCOOPER EDWIN INC·Filed 1983·Granted Dec 11, 1984·12 cites·18 claims
- 2059US7407918B2Lubricating oil compositionsAFTON CHEMICAL CORP·Filed 2003·Granted Aug 5, 2008·3 cites·38 claims
- 2156US2009156445A1Lubricant composition suitable for engines fueled by alternate fuelsLAM WILLIAM Y·Filed 2007·Application pending·0 cites
- 2255US2012108478A1Lubricant composition suitable for engines fueled by alternate fuelsLAM WILLIAM Y·Filed 2012·Application pending·0 cites
- 2354US2019330555A1Lubricants for use in boosted enginesAFTON CHEMICAL CORP·Filed 2019·Application pending·0 cites
- 2450US2008132432A1Additives and lubricant formulations for providing friction modificationMATHUR NARESH C·Filed 2006·Application pending·0 cites
- 2548US10336959B2Lubricants with calcium-containing detergent and their use for improving low speed pre-ignitionAFTON CHEMICAL CORP·Filed 2016·Granted Jul 2, 2019·0 cites·18 claims
- 2648US2008015127A1Boundary friction reducing lubricating compositionLOPER JOHN T·Filed 2006·Application pending·0 cites
- 2747US10323205B2Lubricant compositions for reducing timing chain stretchAFTON CHEMICAL CORP·Filed 2016·Granted Jun 18, 2019·0 cites·20 claims
- 2847US2008236538A1Lubricating oil composition for improved oxidation, viscosity increase, oil consumption, and piston deposit controlLAM WILLIAM Y·Filed 2007·Application pending·0 cites
- 2946US10421922B2Lubricants with magnesium and their use for improving low speed pre-ignitionAFTON CHEMICAL CORP·Filed 2016·Granted Sep 24, 2019·0 cites·23 claims
- 3046US2008090741A1Lubricating oils with enhanced piston deposit control capabilityLAM WILLIAM Y·Filed 2006·Application pending·0 cites
- 3145US10280383B2Lubricants with molybdenum and their use for improving low speed pre-ignitionAFTON CHEMICAL CORP·Filed 2016·Granted May 7, 2019·0 cites·17 claims
- 3244US10550349B2Lubricants with titanium and/or tungsten and their use for improving low speed pre-ignitionAFTON CHEMICAL CORP·Filed 2016·Granted Feb 4, 2020·0 cites·20 claims
- 3344US4836942ALubricant compositionETHYL PETROLEUM ADDITIVES INC·Filed 1988·Granted Jun 6, 1989·4 cites·38 claims
- 3444US2005101496A1Hydrocarbyl dispersants and compositions containing the dispersantsFiled 2003·Application pending·0 cites
- 3543US2008128184A1Lubricating oil compositions having improved corrosion and seal protection propertiesLOPER JOHN T·Filed 2006·Application pending·0 cites
- 3643US2017015933A1Additives and lubricating oil compositions for improving low speed pre-ignitionAFTON CHEMICAL CORP·Filed 2016·Application pending·0 cites
- 3742US2008125337A1Lubricant formulations and methodsGUINTHER GREGORY H·Filed 2006·Application pending·0 cites
- 3841US2008139430A1Additives and lubricant formulations for improved antiwear propertiesLAM WILLIAM Y·Filed 2006·Application pending·0 cites
- 3940US5166439AComposition containing a mannich base of a partially sulfurized hindered phenol mixtureETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Nov 24, 1992·4 cites·12 claims
- 4040US5009802APhenolic antioxidant compositionETHYL CORP·Filed 1989·Granted Apr 23, 1991·4 cites·19 claims
- 4138US4639324ALubricating compositionsETHYL PETROLEUM ADDITIVES INC·Filed 1985·Granted Jan 27, 1987·5 cites·72 claims
- 4235US5026493AReduced ash content lubricantsETHYL PETROLEUM ADDITIVES INC·Filed 1990·Granted Jun 25, 1991·3 cites·29 claims
- 4335US5004481AFuel compositions containing sulfur-bridged phenolic antioxidantsETHYL CORP·Filed 1990·Granted Apr 2, 1991·3 cites·5 claims
- 4433US5045089AFuel compositions containing phenolic antioxidantsETHYL PETROLEUM ADDITIVES INC·Filed 1990·Granted Sep 3, 1991·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →