Inventor · disambiguated record
David C. Long
Also filed as: LONG DAVID · LONG DAVID C · LONG DAVID CHESTER
18 granted patents·2 pending applications·264 citations·filing 1991–2011
94Inventor score
Files withEXXONMOBIL RES & ENG CO5JOHNSON & SON INC S C4EXXON RESEARCH ENGINEERING CO3OLDENBURG PAUL D3ROBERTS VIRGINIA M2
Top patents by PatentIndex Score
20 records- 0193US7313838B2Powered cleaner/polisherJOHNSON & SON INC S C·Filed 2003·Granted Jan 1, 2008·46 cites·2 claims
- 0291US7565712B2Powered cleaner/polisherJOHNSON & SON INC S C·Filed 2007·Granted Jul 28, 2009·31 cites·4 claims
- 0386US6642281B1Fischer-tropsch processEXXONMOBIL RES & ENG CO·Filed 2000·Granted Nov 4, 2003·27 cites·14 claims
- 0485US7096084B2Methods for evaluating chemical components based on their proposed function in the product they are to be used inJOHNSON & SON INC S C·Filed 2005·Granted Aug 22, 2006·14 cites·12 claims
- 0585US6787576B2Linear alpha olefins from natural gas-derived synthesis gas over a nonshifting cobalt catalystEXXONMOBIL RES & ENG CO·Filed 2002·Granted Sep 7, 2004·15 cites·20 claims
- 0685US5498638AStaged hydrocarbon synthesis processEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Mar 12, 1996·22 cites·9 claims
- 0782US8487148B2Hydrothermal treatment of biomass with heterogeneous catalystROBERTS VIRGINIA M·Filed 2011·Granted Jul 16, 2013·5 cites·19 claims
- 0882US7378452B2Filtration system for slurry hydrocarbon synthesis process using both small and large pore filter elementsEXXONMOBIL RES & ENG CO·Filed 2006·Granted May 27, 2008·10 cites·14 claims
- 0982US5143647ASynthesis gas generation startup process (C-2556)EXXON RESEARCH ENGINEERING CO·Filed 1991·Granted Sep 1, 1992·36 cites·11 claims
- 1078US6973362B2Methods for evaluating chemical components based on their proposed function in the product they are to be used inJOHNSON & SON INC S C·Filed 2003·Granted Dec 6, 2005·15 cites·14 claims
- 1178US6624204B1Carbon monoxide hydrogenation processEXXONMOBIL RES & ENG CO·Filed 2000·Granted Sep 23, 2003·11 cites·31 claims
- 1277US8704020B2Catalytic hydrothermal treatment of biomassROBERTS VIRGINIA M·Filed 2011·Granted Apr 22, 2014·3 cites·20 claims
- 1370US9034595B2Integrated bioprocessing for fuel productionOLDENBURG PAUL D·Filed 2011·Granted May 19, 2015·1 cites·15 claims
- 1470US8022109B2Product filtration system for slurry reactorsEXXONMOBIL RES & ENG CO·Filed 2009·Granted Sep 20, 2011·2 cites·7 claims
- 1567US5985178ALow hydrogen syngas using CO2 and a nickel catalystEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Nov 16, 1999·25 cites·12 claims
- 1666US8704019B2Catalyst recovery in hydrothermal treatment of biomassOLDENBURG PAUL D·Filed 2011·Granted Apr 22, 2014·1 cites·19 claims
- 1749US2008196639A1Introduction of cyanide waste as a nox reductantCEMENT INDUSTRY ENVIRONMENTAL·Filed 2007·Application pending·0 cites
- 1846US8962701B2Integrated bioprocessing for fuel productionOLDENBURG PAUL D·Filed 2011·Granted Feb 24, 2015·0 cites·19 claims
- 1942US2005255020A1Introduction of cyanide waste as a nox reductantLONG DAVID·Filed 2002·Application pending·0 cites
- 2027US7138012B2Recycled waste as air entrainment admixturesWASTE MARKETS CORP·Filed 2002·Granted Nov 21, 2006·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →