Inventor · disambiguated record
Dennis J. Malfer
Also filed as: MALFER DENNIS J
22 granted patents·10 pending applications·783 citations·filing 1989–2008
96Inventor score
Files withMALFER DENNIS J10ETHYL CORP8AFTON CHEMICAL CORP4ETHYL PETROLEUM ADDITIVES INC4AFTON CHEMICAL INTANGIBLES LLC2
Top patents by PatentIndex Score
32 records- 0197US5697988AFuel compositionsETHYL CORP·Filed 1996·Granted Dec 16, 1997·147 cites·33 claims
- 0295US7384434B2Reaction of phenols with intermediate triazinesAFTON CHEMICAL CORP·Filed 2004·Granted Jun 10, 2008·65 cites·2 claims
- 0395US5725612AAdditives for minimizing intake valve deposits, and their useETHYL CORP·Filed 1997·Granted Mar 10, 1998·155 cites·44 claims
- 0494US6048373AFuels compositions containing polybutenes of narrow molecular weight distributionETHYL CORP·Filed 1998·Granted Apr 11, 2000·88 cites·22 claims
- 0594US5752989ADiesel fuel and dispersant compositions and methods for making and using sameETHYL CORP·Filed 1996·Granted May 19, 1998·106 cites·42 claims
- 0691US6800103B2Secondary amine mannich detergentsETHYL CORP·Filed 2001·Granted Oct 5, 2004·43 cites·51 claims
- 0790US8557003B2Mannich detergents for hydrocarbon fuelsMALFER DENNIS J·Filed 2008·Granted Oct 15, 2013·14 cites·49 claims
- 0889US8231695B2Fuel compositions comprising hydrocarbon oil carriers and methods for using the sameCUNNINGHAM LAWRENCE J·Filed 2006·Granted Jul 31, 2012·21 cites·13 claims
- 0987US7402185B2Additives for fuel compositions to reduce formation of combustion chamber depositsAFTON CHEMICAL INTANGIBLES LLC·Filed 2003·Granted Jul 22, 2008·23 cites·1 claims
- 1086US6866690B2Friction modifier additives for fuel compositions and methods of use thereofETHYL CORP·Filed 2002·Granted Mar 15, 2005·24 cites·4 claims
- 1183US7112230B2Fuels compositions for direct injection gasoline enginesAFTON CHEMICAL INTANGIBLES LLC·Filed 2001·Granted Sep 26, 2006·15 cites·2 claims
- 1282US7435272B2Friction modifier alkoxyamine salts of carboxylic acids as additives for fuel compositions and methods of use thereofAFTON CHEMICAL INTANGIBLES·Filed 2003·Granted Oct 14, 2008·17 cites·8 claims
- 1382US5122616ASuccinimidesETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Jun 16, 1992·16 cites·35 claims
- 1479US7597726B2Mannich detergents for hydrocarbon fuelsAFTON CHEMICAL CORP·Filed 2006·Granted Oct 6, 2009·3 cites·17 claims
- 1578US8623105B2Fuel additives to maintain optimum injector performanceMALFER DENNIS J·Filed 2008·Granted Jan 7, 2014·4 cites·30 claims
- 1675US4997456AFuel compositionsETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Mar 5, 1991·11 cites·38 claims
- 1771US7422161B2Treated port fuel injectorsAFTON CHEMICAL CORP·Filed 2006·Granted Sep 9, 2008·2 cites·32 claims
- 1858US9783752B2Mannich detergents for hydrocarbon fuelsMALFER DENNIS J·Filed 2006·Granted Oct 10, 2017·0 cites·23 claims
- 1958US2006242893A1Fuels compositions for direct injection gasoline enginesMALFER DENNIS J·Filed 2006·Application pending·0 cites
- 2055US5312555ASuccinimidesETHYL PETROLEUM ADDITIVES INC·Filed 1990·Granted May 17, 1994·10 cites·6 claims
- 2155US2010037514A1Fuel additives to maintain optimum injector performanceAFTON CHEMICAL CORP·Filed 2008·Application pending·0 cites
- 2254US2007151144A1Detergent comprising the reaction product an amino alcohol, a high molecular weight hydroxy aromatic compound, and an aldehydyeSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 2351US2007245621A1Additives for minimizing injector fouling and valve deposits and their usesMALFER DENNIS J·Filed 2006·Application pending·0 cites
- 2451US2008040968A1Fuel additive compounds and method of making the compoundsMALFER DENNIS J·Filed 2006·Application pending·0 cites
- 2550US2007245620A1Diesel fuel compositionsMALFER DENNIS J·Filed 2006·Application pending·0 cites
- 2649US2006059771A1Preparation of amine derivates from nitriles and phenolsMALFER DENNIS J·Filed 2004·Application pending·0 cites
- 2749US2007283618A1Diesel detergentsMALFER DENNIS J·Filed 2006·Application pending·0 cites
- 2848US5411559ASuccinimidesETHYL CORP·Filed 1991·Granted May 2, 1995·6 cites·3 claims
- 2948US2006196107A1Cyclic mannich productsMALFER DENNIS J·Filed 2005·Application pending·0 cites
- 3045US2003056431A1Deposit control additives for direct injection gasoline enginesFiled 2001·Application pending·0 cites
- 3143US5106975AHexahydropyrimidine derivativesETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Apr 21, 1992·6 cites·49 claims
- 3239US5030436ASpent acid purification processETHYL CORP·Filed 1989·Granted Jul 9, 1991·7 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →