Inventor · disambiguated record
Stephen Leonard Cook
Also filed as: COOK STEPHEN J · COOK STEPHEN L · COOK STEPHEN LEONARD
15 granted patents·2 pending applications·175 citations·filing 1994–2019
92Inventor score
Top patents by PatentIndex Score
17 records- 0193US10351791B2Quaternary ammonium compounds as fuel or lubricant additivesINNOSPEC LTD·Filed 2014·Granted Jul 16, 2019·10 cites·14 claims
- 0291US10689589B2Cyclic quaternary ammonium salts as fuel or lubricant additivesINNOSPEC LTD·Filed 2016·Granted Jun 23, 2020·5 cites·26 claims
- 0390US9365787B2Diesel fuel compositionsREID JACQUELINE·Filed 2012·Granted Jun 14, 2016·10 cites·14 claims
- 0489US10087384B2Quaternary ammonium compounds and their use as fuel or lubricant additivesINNOSPEC LTD·Filed 2015·Granted Oct 2, 2018·4 cites·14 claims
- 0589US6488725B1Fuel additivesASS OCTEL·Filed 2000·Granted Dec 3, 2002·44 cites·24 claims
- 0677US6056792AcombustionASS OCTEL·Filed 1996·Granted May 2, 2000·40 cites·21 claims
- 0774US5912190ASynergistic process for improving combustionASS OCTEL·Filed 1996·Granted Jun 15, 1999·33 cites·30 claims
- 0872US11066617B2Quaternary ammonium compounds as fuel or lubricant additivesINNOSPEC LTD·Filed 2019·Granted Jul 20, 2021·0 cites·22 claims
- 0963US10626341B2Quaternary ammonium compounds as fuel or lubricant additivesINNOSPEC LTD·Filed 2014·Granted Apr 21, 2020·0 cites·12 claims
- 1060US11867117B2Use and method to reduce deposits in compression ignition internal combustion enginesSHELL OIL CO·Filed 2019·Granted Jan 9, 2024·0 cites·8 claims
- 1158US7452388B2Compositions comprising dimeric or oligomeric ferrocenesINNOSPEC LTD·Filed 2001·Granted Nov 18, 2008·3 cites·39 claims
- 1258US5593464AFuel additivesASS OCTEL·Filed 1994·Granted Jan 14, 1997·15 cites·22 claims
- 1354US7959691B2CompositionINNOSPEC DEUTSCHLAND GMBH·Filed 2009·Granted Jun 14, 2011·0 cites·39 claims
- 1451US7556657B2CompositionINNOSPEC DEUTSCHLAND GMBH·Filed 2002·Granted Jul 7, 2009·2 cites·45 claims
- 1543US5837321AVolatile organic lanthanide compounds and methods for the preparation of lanthanide-containing layered materials form these compoundsASS OCTEL·Filed 1994·Granted Nov 17, 1998·9 cites·11 claims
- 1640US2006101711A1Fuel compositionASS OCTEL·Filed 2003·Application pending·0 cites
- 1737US2004248747A1Lubricant including water dispersible baseFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →