Inventor · disambiguated record
James N. Ziemer
Also filed as: ZIEMER JAMES · ZIEMER JAMES N · ZIEMER JAMES NATHAN
30 granted patents·7 pending applications·1,056 citations·filing 1986–2013
98Inventor score
Top patents by PatentIndex Score
37 records- 0199US4910006AZeolite SSZ-26CHEVRON RES·Filed 1988·Granted Mar 20, 1990·241 cites·12 claims
- 0298US7045055B2Method of operating a wormgear drive at high energy efficiencyCHEVRON USA INC·Filed 2004·Granted May 16, 2006·99 cites·46 claims
- 0394US5300210AHydrocarbon conversion process using zeolite SSZ-32 as catalystCHEVRON RES & TECH·Filed 1993·Granted Apr 5, 1994·56 cites·16 claims
- 0492US8524623B2Electrochemical removal of conjunct polymers from chloroaluminate ionic liquidsTIMKEN HYE-KYUNG·Filed 2009·Granted Sep 3, 2013·15 cites·24 claims
- 0592US7476645B2Polyalphaolefin and fischer-tropsch derived lubricant base oil lubricant blendsCHEVRON USA INC·Filed 2005·Granted Jan 13, 2009·17 cites·25 claims
- 0691US7195706B2Finished lubricating comprising lubricating base oil with high monocycloparaffins and low multicycloparaffinsCHEVRON USA INC·Filed 2003·Granted Mar 27, 2007·44 cites·30 claims
- 0790US5993644ABase stock lube oil manufacturing processCHEVRON USA INC·Filed 1997·Granted Nov 30, 1999·89 cites·44 claims
- 0889US8545805B2Method for preparing small crystal SSZ-32ZONES STACEY I·Filed 2010·Granted Oct 1, 2013·8 cites·13 claims
- 0988US8471083B2Process for the production of para-xyleneCHEN CONG-YAN·Filed 2013·Granted Jun 25, 2013·3 cites·7 claims
- 1088US5397454AHydrocarbon conversion process using zeolite SSZ-32 having constraint index of 13 or greaterCHEVRON USA INC·Filed 1994·Granted Mar 14, 1995·46 cites·17 claims
- 1188US5202014AZeolite SSZ-25CHEVRON RES & TECH·Filed 1991·Granted Apr 13, 1993·49 cites·34 claims
- 1286US9115041B2Process for the production of para-xyleneCHEVRON USA INC·Filed 2013·Granted Aug 25, 2015·2 cites·27 claims
- 1385US6264826B1Base stock lube oil manufacturing processCHEVRON USA INC·Filed 1999·Granted Jul 24, 2001·64 cites·21 claims
- 1485US6136181AHydroconversion sulfur-containing lube feedstock using a sulfur resistant catalystCHEVRON USA INC·Filed 1997·Granted Oct 24, 2000·56 cites·26 claims
- 1584US8882992B2Multi-stage reforming process to produce high octane gasolineCHEN CONG-YAN·Filed 2013·Granted Nov 11, 2014·4 cites·8 claims
- 1684US5693215ALow-Aluminum boron beta zeoliteCHEVRON USA INC·Filed 1996·Granted Dec 2, 1997·18 cites·4 claims
- 1780US5393408AProcess for the stabilization of lubricating oil base stocksCHEVRON RES & TECH·Filed 1992·Granted Feb 28, 1995·47 cites·40 claims
- 1879US4867862AProcess for hydrodehazing hydrocracked lube oil base stocksCHEVRON RES·Filed 1987·Granted Sep 19, 1989·35 cites·9 claims
- 1976US6030921ASulfur resistant hydroconversion catalyst and hydroprocess of sulfur-containing lube feedstockCHEVRON USA INC·Filed 1997·Granted Feb 29, 2000·35 cites·14 claims
- 2076US5543035AProcess for producing a high quality lubricating oil using a VI selective catalystCHEVRON USA INC·Filed 1994·Granted Aug 6, 1996·32 cites·19 claims
- 2173US8658021B2Multi-stage reforming process to produce high octane gasolineCHEN CONG-YAN·Filed 2010·Granted Feb 25, 2014·2 cites·9 claims
- 2273US5603821ALow-aluminum boron beta zeoliteCHEVRON RES·Filed 1994·Granted Feb 18, 1997·8 cites·7 claims
- 2372US5007997AZeolite SSZ-26CHEVRON RES·Filed 1989·Granted Apr 16, 1991·27 cites·19 claims
- 2471US5591322ADewaxing process using zeolite SSZ-25CHEVRON USA INC·Filed 1995·Granted Jan 7, 1997·9 cites·1 claims
- 2569US8431014B2Process and catalyst system for improving dewaxing catalyst stability and lubricant oil yieldKRISHNA KAMALA R·Filed 2009·Granted Apr 30, 2013·3 cites·17 claims
- 2666US2014046106A1Process for the production of para-xyleneCHEN CONG-YAN·Filed 2013·Application pending·0 cites
- 2765US4822476AProcess for hydrodewaxing hydrocracked lube oil base stocksCHEVRON RES·Filed 1986·Granted Apr 18, 1989·22 cites·4 claims
- 2858US2012029257A1Process for the production of para-xyleneCHEN CONG-YAN·Filed 2010·Application pending·0 cites
- 2949US5421992AHydrocarbon conversion process using zeolite SSZ-25CHEVRON USA INC·Filed 1992·Granted Jun 6, 1995·8 cites·13 claims
- 3047US6005154AIsomerization process using zeolite SSZ-25CHEVRON USA INC·Filed 1997·Granted Dec 21, 1999·10 cites·2 claims
- 3146US5691463AAlkylation process using zeolite SSZ-25CHEVRON USA INC·Filed 1996·Granted Nov 25, 1997·7 cites·4 claims
- 3244US2009301933A1Catalytic reforming process to produce high octane gasolineCHEVRON USA INC·Filed 2008·Application pending·0 cites
- 3344US2009301934A1Multi-stage reforming process to produce high octane gasolineCHEVRON USA INC·Filed 2008·Application pending·0 cites
- 3441US2006196807A1Polyalphaolefin & Fischer-Tropsch derived lubricant base oil lubricant blendsCHEVRON USA INC·Filed 2005·Application pending·0 cites
- 3540US2012024754A1Multi-stage reforming process with final stage catalyst regenerationCHEN CONG-YAN·Filed 2010·Application pending·0 cites
- 3640US2012024752A1Multi-Stage Hydroprocessing for the Production of High Octane NaphthaCHEN CONG-YAN·Filed 2010·Application pending·0 cites
- 3739US8734758B2Method for preparing molecular sievesZIEMER JAMES N·Filed 2010·Granted May 27, 2014·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →