Inventor · disambiguated record
Malcolm Macduff
Also filed as: MACDUFF MALCOLM · MACDUFF MALCOLM G J
14 granted patents·10 pending applications·105 citations·filing 1985–2019
89Inventor score
Top patents by PatentIndex Score
24 records- 0195US8555926B2Supply manifold for hydronic systemMACDUFF MALCOLM·Filed 2010·Granted Oct 15, 2013·30 cites·13 claims
- 0292US6458172B1Fuel additive compositions and fuel compositions containing detergents and fluidizersLUBRIZOL CORP·Filed 2000·Granted Oct 1, 2002·45 cites·22 claims
- 0391US7704289B2Method of operating a direct injection spark-ignited engine with a fuel compositionLUBRIZOL CORP·Filed 2005·Granted Apr 27, 2010·12 cites·13 claims
- 0490US9803876B2Supply manifold with rotatable sliderMACDUFF MALCOLM·Filed 2015·Granted Oct 31, 2017·6 cites·15 claims
- 0580US9045709B2Synergistic detergent and active metal compound combinationHARLE VIRGINIE·Filed 2009·Granted Jun 2, 2015·4 cites·16 claims
- 0662US10408468B2Supply manifold with rotatable sliderMACDUFF MALCOLM·Filed 2017·Granted Sep 10, 2019·0 cites·18 claims
- 0759US2009052876A1Fins For An Electric Cable In An Electric Radiant Heating SystemMACDUFFCO MFG INC·Filed 2008·Application pending·0 cites
- 0858US2008028674A1Method of Operating Internal Combustion Engine by Introducing Antioxidant into Combustion ChamberLUBRIZOL CORP·Filed 2007·Application pending·0 cites
- 0957US10450524B2Synergistic detergent and active metal compound combinationRHODIA OPERATIONS·Filed 2015·Granted Oct 22, 2019·0 cites·19 claims
- 1056US11339894B2Quarter-turn pin-valve actuatorMACDUFF MALCOLM·Filed 2019·Granted May 24, 2022·0 cites·18 claims
- 1150US10845063B2Hydronic supply manifoldMACDUFF MALCOLM·Filed 2017·Granted Nov 24, 2020·0 cites·15 claims
- 1250US9574148B2Fuel additive containing a dispersion of iron particles and an ammonium polyester detergentD'ALENCON LAURIANE·Filed 2011·Granted Feb 21, 2017·0 cites·26 claims
- 1349US2003177692A1Method of operating a direct injection spark-ignited engine with a fuel compositionLUBRIZOL CORP·Filed 2002·Application pending·0 cites
- 1448US8070837B2Use of fatty acid alkoxylates as a method to remedy engine intake valve stickingVILARDO JONATHAN S·Filed 2006·Granted Dec 6, 2011·0 cites·12 claims
- 1546US2011162260A1Alcohol Fuel Soluble Additive for Removing Deposits in Fueling SystemsLUBRIZOL CORP·Filed 2009·Application pending·0 cites
- 1646US2005115146A1Method of operating internal combustion engine by introducing antioxidant into combustion chamberFiled 2003·Application pending·0 cites
- 1745US2005172544A1Method for operating internal combustion engine with a fuel compositionFiled 2003·Application pending·0 cites
- 1845US2004168364A1Ortho-alkylphenol derived mannich detergent composition and concentrate, fuel and method thereofFiled 2002·Application pending·0 cites
- 1943US2010269406A1Novel Coupled Hydrocarbyl-Substituted Phenol Materials as Oilfield Wax InhibitorsLUBRIZOL CORP·Filed 2008·Application pending·0 cites
- 2040US2012302479A1Method of Lubricating a Manual TransmissionROBINSON PAUL A·Filed 2010·Application pending·0 cites
- 2139US9914892B2Fuel additive composition containing a dispersion of iron particles and a detergentDALENCON Lauriane·Filed 2011·Granted Mar 13, 2018·0 cites·19 claims
- 2239US2005215441A1Method of operating internal combustion engine by introducing detergent into combustion chamberMACKNEY DEREK W·Filed 2003·Application pending·0 cites
- 2334US4596672ADetergent compositionsLEVER BROTHERS LTD·Filed 1985·Granted Jun 24, 1986·6 cites·13 claims
- 2423US5376385AReleasably bound active materialsFiled 1991·Granted Dec 27, 1994·2 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →