Inventor · disambiguated record
David R. Zornes
Also filed as: ZORNES DAVID R
20 granted patents·348 citations·filing 1979–2021
95Inventor score
Top patents by PatentIndex Score
20 records- 0196US10323174B2Delayed gelling agentsCONOCOPHILLIPS CO·Filed 2017·Granted Jun 18, 2019·9 cites·12 claims
- 0293US9267075B2Swellable polymer with anionic sitesCONOCOPHILLIPS CO·Filed 2014·Granted Feb 23, 2016·11 cites·5 claims
- 0392US9139762B2Swellable polymer with cationic sitesCONOCOPHILLIPS CO·Filed 2014·Granted Sep 22, 2015·10 cites·3 claims
- 0490US11186765B2Delayed gelling agentsCONOCOPHILLIPS CO·Filed 2018·Granted Nov 30, 2021·3 cites·20 claims
- 0590US8389446B2Swellable polymers with hydrophobic groupsMORADI-ARAGHI AHMAD·Filed 2010·Granted Mar 5, 2013·10 cites·26 claims
- 0688US8669214B2Swellable polymer with anionic sitesMORADI-ARAGHI AHMAD·Filed 2010·Granted Mar 11, 2014·11 cites·15 claims
- 0786US8691736B2Swellable polymer with cationic sitesMORADI-ARAGHI AHMAD·Filed 2010·Granted Apr 8, 2014·6 cites·21 claims
- 0885US5849674ACompositions and processes for oil field applicationsPHILLIPS PETROLEUM CO·Filed 1996·Granted Dec 15, 1998·64 cites·39 claims
- 0982US10093848B2Delayed gelling agentsCONOCOPHILLIPS CO·Filed 2013·Granted Oct 9, 2018·3 cites·24 claims
- 1080US6279653B1Heavy oil viscosity reduction and productionPHILLIPS PETROLEUM CO·Filed 1998·Granted Aug 28, 2001·89 cites·29 claims
- 1179US8648018B2Crosslinked swellable polymerMORADI-ARAGHI AHMAD·Filed 2010·Granted Feb 11, 2014·3 cites·18 claims
- 1277US6186228B1Methods and apparatus for enhancing well production using sonic energyPHILLIPS PETROLEUM CO·Filed 1998·Granted Feb 13, 2001·84 cites·23 claims
- 1376US11814578B2Delayed gelling agentsCONOCOPHILLIPS CO·Filed 2021·Granted Nov 14, 2023·0 cites·14 claims
- 1475US11634626B2Delayed gelling agentsCONOCOPHILLIPS CO·Filed 2021·Granted Apr 25, 2023·0 cites·14 claims
- 1572US11390795B2Delayed gelling agentsCONOCOPHILLIPS CO·Filed 2019·Granted Jul 19, 2022·0 cites·4 claims
- 1668US4269789APetroleum sulfonationPHILLIPS PETROLEUM CO·Filed 1979·Granted May 26, 1981·7 cites·9 claims
- 1767US9850425B2Delayed gelling agentsGUAN HUILI·Filed 2011·Granted Dec 26, 2017·1 cites·4 claims
- 1866US9139760B2Crosslinked swellable polymerCONOCOPHILLIPS CO·Filed 2013·Granted Sep 22, 2015·0 cites·4 claims
- 1964US7222673B2Production of free gas by gas hydrate conversionCONOCOPHILLIPS CO·Filed 2004·Granted May 29, 2007·29 cites·50 claims
- 2059US8079417B2Wireline retrievable dsg/downhole pump system for cyclic steam and continuous steam flooding operations in petroleum reservoirsWEGENER DENNIS C·Filed 2008·Granted Dec 20, 2011·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →