Inventor · disambiguated record
Walter Weissman
Also filed as: WEISSMAN WALTER
39 granted patents·13 pending applications·930 citations·filing 1975–2024
98Inventor score
Files withEXXON RESEARCH ENGINEERING CO13EXXONMOBIL RES & ENG CO11GUPTA RAMESH4EXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY3TOYOTA MOTOR CO LTD3
Top patents by PatentIndex Score
52 records- 0198US6972093B2Onboard fuel separation apparatus for an automobileTOYOTA MOTOR CO LTD·Filed 2003·Granted Dec 6, 2005·101 cites·6 claims
- 0298US6711893B2Fuel supply apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Mar 30, 2004·209 cites·24 claims
- 0397US7107942B2Fuel composition supply means for spark ignition enginesTOYOTA MOTOR CO LTD·Filed 2003·Granted Sep 19, 2006·108 cites·11 claims
- 0496US8051828B2Multiple fuel system for internal combustion enginesEXXONMOBIL RES & ENG CO·Filed 2008·Granted Nov 8, 2011·36 cites·79 claims
- 0595US6622663B2Fuel composition supply means for driving cycle conditions in spark ignition enginesEXXONMOBIL RES & ENG CO·Filed 2001·Granted Sep 23, 2003·91 cites·20 claims
- 0690US7803275B2Membrane separation process using mixed vapor-liquid feedEXXONMOBIL RES & ENG CO·Filed 2007·Granted Sep 28, 2010·26 cites·10 claims
- 0788US7523770B2Service station for serving requirements of multiple vehicle technologiesEXXONMOBIL RES AND ENGINNERING·Filed 2005·Granted Apr 28, 2009·50 cites·20 claims
- 0887US7389638B2Sulfur oxide/nitrogen oxide trap system and method for the protection of nitrogen oxide storage reduction catalyst from sulfur poisoningEXXONMOBIL RES & ENG CO·Filed 2005·Granted Jun 24, 2008·15 cites·48 claims
- 0986US4518798APreparing esters and carboxylic acids from lower olefinsEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted May 21, 1985·23 cites·17 claims
- 1085US7842124B2Polymer membrane for separating aromatic and aliphatic compoundsEXXONMOBIL RES & ENG CO·Filed 2007·Granted Nov 30, 2010·12 cites·20 claims
- 1183US7708151B2Membrane for separating aromatic and aliphatic compoundsEXXONMOBIL RES & ENG CO·Filed 2007·Granted May 4, 2010·10 cites·21 claims
- 1282US4534854ADelayed coking with solvent separation of recycle oilEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Aug 13, 1985·29 cites·8 claims
- 1382US4244811ACatalytic cracking process with simultaneous production of a low BTU fuel gas and catalyst regenerationEXXON RESEARCH ENGINEERING CO·Filed 1978·Granted Jan 13, 1981·26 cites·13 claims
- 1480US4444895AReactivation process for iridium-containing catalysts using low halogen flow ratesEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Apr 24, 1984·32 cites·18 claims
- 1580US2024359168A1Mesoporous Catalyst Compounds and Uses ThereofEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2024·Application pending·0 cites
- 1677US10717069B2Fuel upgrading by reforming and dehydrocrackingEXXONMOBIL RES & ENG CO·Filed 2017·Granted Jul 21, 2020·1 cites·20 claims
- 1775US9617490B2Vehicle powertrain with onboard catalytic reformerWEISS BRIAN MICHAEL·Filed 2014·Granted Apr 11, 2017·3 cites·16 claims
- 1875US7208078B2Diesel fuel formulation for reduced emissionsEXXONMOBIL RES & ENG CO·Filed 2003·Granted Apr 24, 2007·9 cites·44 claims
- 1973US8603325B2Biomass oil conversion processSISKIN MICHAEL·Filed 2011·Granted Dec 10, 2013·2 cites·20 claims
- 2071US4077869AIntegrated coking and gasification processEXXON RESEARCH ENGINEERING CO·Filed 1975·Granted Mar 7, 1978·13 cites·12 claims
- 2170US8507404B2Regenerable sulfur traps for on-board vehicle applicationsEL-MALKI EL-MEKKI·Filed 2008·Granted Aug 13, 2013·5 cites·5 claims
- 2270US4444897AReactivating iridium-containing catalysts with hydrogen halide and oxygenEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Apr 24, 1984·21 cites·21 claims
- 2368US4480046AReactivation process for iridium-containing catalysts using low halogen flow ratesEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Oct 30, 1984·19 cites·18 claims
- 2467US12064752B2Mesoporous catalyst compounds and uses thereofEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2020·Granted Aug 20, 2024·0 cites·15 claims
- 2566US7052597B2Tuning fuel composition for driving cycle conditions in spark ignition enginesTOYOTA MOTOR CORP·Filed 2001·Granted May 30, 2006·4 cites·10 claims
- 2665US10865487B2Electrochemical conversion of hydrocarbonsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted Dec 15, 2020·0 cites·12 claims
- 2765US4491635AReactivating iridium and selenium containing catalysts with hydrogen halide and oxygenEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Jan 1, 1985·17 cites·21 claims
- 2862US9932679B2Electrochemical conversion of hydrocarbonsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2014·Granted Apr 3, 2018·0 cites·9 claims
- 2958US6206940B1Fuel formulations to extend the lean limit (law770)EXXON RESEARCH ENGINEERING CO·Filed 1999·Granted Mar 27, 2001·15 cites·67 claims
- 3057US2006090727A1Tuning fuel composition for driving cycle conditions in spark ignition enginesWEISSMAN WALTER·Filed 2005·Application pending·0 cites
- 3156US11396450B2Reforming using sulfur-tolerant reforming catalystEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2019·Granted Jul 26, 2022·0 cites·20 claims
- 3255US5947080ANO to NO2 conversion control in a compression injection engine by hydrocarbon injection during the expansion strokeEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Sep 7, 1999·17 cites·7 claims
- 3355US2007204974A1Heat pipe with controlled fluid chargeGUPTA RAMESH·Filed 2007·Application pending·0 cites
- 3453US4007092AProcess for producing low sulfur cokeEXXON RESEARCH ENGINEERING CO·Filed 1975·Granted Feb 8, 1977·6 cites·8 claims
- 3553US2015027849A1Methods and systems to remove polar molecules from refinery streamsYEGANEH MOHSEN SHAHMIRZADI·Filed 2014·Application pending·0 cites
- 3652US10001091B2Vehicle powertrain with onboard catalytic reformerWEISS BRIAN M·Filed 2016·Granted Jun 19, 2018·0 cites·2 claims
- 3752US8685353B2Regenerable sulfur traps for on-board vehicle applicationsEL-MALKI EL-MEKKI·Filed 2013·Granted Apr 1, 2014·0 cites·25 claims
- 3852US2013180593A1Heat pipe with controlled fluid charge and hydrophobic coatingGUPTA RAMESH·Filed 2012·Application pending·0 cites
- 3951US5674822ASynthetic ester base stocks for low emission lubricantsEXXON CHEMICAL PATENTS INC·Filed 1995·Granted Oct 7, 1997·14 cites·8 claims
- 4051US2010062186A1Ultra-thin polymeric membranePEIFFER DENNIS G·Filed 2009·Application pending·0 cites
- 4150US8852427B2Method and systems to remove polar molecules from refinery streamsYEGANEH MOHSEN S·Filed 2010·Granted Oct 7, 2014·0 cites·19 claims
- 4248US11215148B2Vehicle powertrain with on-board catalytic reformerEXXONMOBIL RES & ENG CO·Filed 2019·Granted Jan 4, 2022·0 cites·19 claims
- 4348US8658025B2Biomass conversion processSISKIN MICHAEL·Filed 2011·Granted Feb 25, 2014·0 cites·11 claims
- 4447US2010314235A1High temperature hydropyrolysis of carbonaceous materialsEXXONMOBIL RES & ENG CO·Filed 2010·Application pending·0 cites
- 4547US2008035557A1Polymer-coated inorganic membrane for separating aromatic and aliphatic compoundsPARTRIDGE RANDALL D·Filed 2007·Application pending·0 cites
- 4643US2012085126A1Low energy distillation system and methodGUPTA RAMESH·Filed 2011·Application pending·0 cites
- 4741US6029623ANOx reductant generation in a compression-ignition engine by hydrocarbon injection during the expansion strokeEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Feb 29, 2000·13 cites·8 claims
- 4841US2010320120A1High temperature hydropyrolysis of carbonaceous materialsEXXONMOBIL RES & ENG CO·Filed 2010·Application pending·0 cites
- 4941US2004222157A1Process for the recovery of sulfuric acid using polymeric membranesFiled 2004·Application pending·0 cites
- 5038US2009165759A1Fuel management for vehicles equipped with multiple tanks for different grades of fuelSENGUPTA BHASKAR·Filed 2008·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →