Inventor · disambiguated record
James E. Hein
Also filed as: HEIN JAMES E
22 granted patents·316 citations·filing 1998–2023
95Inventor score
Files withCHEVRON PHILLIPS CHEMICAL CO LP11CHEVRON PHILLIPS CHEMICAL CO8MCELVAIN ROBERT R2PHILLIPS PETROLEUM CO1
Top patents by PatentIndex Score
22 records- 0197US11833479B2Catalyst slurry mixing process and systemCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Dec 5, 2023·4 cites·20 claims
- 0295US9610558B2Energy efficient polyolefin processCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2015·Granted Apr 4, 2017·5 cites·20 claims
- 0395US8569433B2Energy efficient polyolefin processCHEVRON PHILLIPS CHEMICAL CO·Filed 2012·Granted Oct 29, 2013·10 cites·20 claims
- 0495US8128877B2Energy efficient polyolefin processMCELVAIN ROBERT R·Filed 2011·Granted Mar 6, 2012·16 cites·22 claims
- 0595US8017701B2Energy efficient polyolefin processCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted Sep 13, 2011·22 cites·19 claims
- 0695US6045661AProcess and apparatus for recovering diluent, monomer, and comonomer from a polymerization reactor effluentPHILLIPS PETROLEUM CO·Filed 1998·Granted Apr 4, 2000·133 cites·22 claims
- 0794US11578145B2System and method for rapid dump tank heatingCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted Feb 14, 2023·2 cites·21 claims
- 0893US8303899B2Energy efficient polyolefin processMCELVAIN ROBERT R·Filed 2012·Granted Nov 6, 2012·9 cites·15 claims
- 0993US7999044B2System and method for deinventory of polymerization reactorCHEVRON PHILLIPS CHEMICAL CO·Filed 2008·Granted Aug 16, 2011·17 cites·6 claims
- 1091US11673975B2System and method for improving dump tank purge timeCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted Jun 13, 2023·2 cites·20 claims
- 1191US11021549B2System and method for rapid dump tank heatingCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2019·Granted Jun 1, 2021·3 cites·20 claims
- 1291US6815511B2Continuous withdrawal from high solids slurry polymerizationCHEVRON PHILLIPS CHEMICAL CO·Filed 2003·Granted Nov 9, 2004·49 cites·13 claims
- 1390US11584806B2Methods for chromium catalyst activation using oxygen-enriched fluidization gasCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted Feb 21, 2023·2 cites·20 claims
- 1489US9221920B2Energy efficient polyolefin processCHEVRON PHILLIPS CHEMICAL CO·Filed 2014·Granted Dec 29, 2015·4 cites·20 claims
- 1587US8765884B2Energy efficient polyolefin processCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Jul 1, 2014·3 cites·19 claims
- 1686US11254761B1Catalyst pretreatment and feeding system for polypropylene productionCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Feb 22, 2022·1 cites·20 claims
- 1785US12115506B2Catalyst slurry mixing process and systemCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Granted Oct 15, 2024·0 cites·22 claims
- 1879US12297310B2Methods for chromium catalyst activation using oxygen-enriched fluidization gasCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Granted May 13, 2025·0 cites·21 claims
- 1979US7179426B2Large catalyst activatorCHEVRON PHILLIPS CHEMICAL CO·Filed 2003·Granted Feb 20, 2007·18 cites·23 claims
- 2078US12460023B2Catalyst pretreatment and feeding system for polypropylene productionCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Nov 4, 2025·0 cites·20 claims
- 2173US6753387B1Temperature controlling system for olefin polymerization reactorsCHEVRON PHILLIPS CHEMICAL CO·Filed 2003·Granted Jun 22, 2004·16 cites·23 claims
- 2261US12076700B2Loop slurry reactor cooling processes and systemsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Sep 3, 2024·0 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →