Inventor · disambiguated record
William C. Pfefferle
Also filed as: PFEFFERLE WILLIAM C · PFEFFERLE WILLIAM CHARLES
84 granted patents·29 pending applications·2,538 citations·filing 1974–2013
99Inventor score
Files withPFEFFERLE WILLIAM C38PRECISION COMBUSTION INC34ENGELHARD MIN & CHEM9ETEMAD SHAHROKH2ROYCHOUDHURY SUBIR2
Top patents by PatentIndex Score
113 records- 0199US7874350B2Reducing the energy requirements for the production of heavy oilPRECISION COMBUSTION INC·Filed 2010·Granted Jan 25, 2011·78 cites·5 claims
- 0299US5720609ACatalytic methodFiled 1996·Granted Feb 24, 1998·151 cites·5 claims
- 0399US5051241AMicrolith catalytic reaction systemPFEFFERLE WILLIAM C·Filed 1988·Granted Sep 24, 1991·118 cites·11 claims
- 0499US3975900AMethod and apparatus for turbine system combustor temperatureENGELHARD MIN & CHEM·Filed 1974·Granted Aug 24, 1976·132 cites·21 claims
- 0597US7765810B2Method for obtaining ultra-low NOx emissions from gas turbines operating at high turbine inlet temperaturesPRECISION COMBUSTION INC·Filed 2005·Granted Aug 3, 2010·83 cites·3 claims
- 0697US7343971B2Method for natural gas productionPRECISION COMBUSTION INC·Filed 2005·Granted Mar 18, 2008·67 cites·28 claims
- 0797US6394791B2Method and apparatus for a fuel-rich catalytic reactorPRECISION COMBUSTION INC·Filed 2001·Granted May 28, 2002·90 cites·18 claims
- 0896US7550644B2Isobutane alkylationPRECISION COMBUSTION INC·Filed 2005·Granted Jun 23, 2009·32 cites·5 claims
- 0996US6156444AStructure for and method of manufacturing aerodynamic expanded metalPRECISION COMBUSTION INC·Filed 1998·Granted Dec 5, 2000·61 cites·8 claims
- 1095US6358040B1Method and apparatus for a fuel-rich catalytic reactorPRECISION COMBUSTION INC·Filed 2000·Granted Mar 19, 2002·128 cites·21 claims
- 1194US5636511ATorch assemblyPRECISION COMBUSTION INC·Filed 1995·Granted Jun 10, 1997·85 cites·11 claims
- 1294US5146881AMethod of operating I.C. engines and apparatus thereofPFEFFERLE WILLIAM C·Filed 1990·Granted Sep 15, 1992·43 cites·2 claims
- 1394US4896636AMethod of operating I. C. engines and apparatus thereofPFEFFERLE WILLIAM C·Filed 1989·Granted Jan 30, 1990·38 cites·19 claims
- 1493US6174159B1Method and apparatus for a catalytic firebox reactorPRECISION COMBUSTION INC·Filed 1999·Granted Jan 16, 2001·100 cites·22 claims
- 1593US4864811AMethod for destroying hazardous organicsPFEFFERLE WILLIAM C·Filed 1987·Granted Sep 12, 1989·67 cites·6 claims
- 1692US3940923AMethod of operating catalytically supported thermal combustion systemENGELHARD MIN & CHEM·Filed 1974·Granted Mar 2, 1976·52 cites·16 claims
- 1790US8337757B2Reactor control methodROYCHOUDHURY SUBIR·Filed 2009·Granted Dec 25, 2012·16 cites·12 claims
- 1890US4065917AMethod of starting a combustion system utilizing a catalystENGELHARD MIN & CHEM·Filed 1976·Granted Jan 3, 1978·44 cites·2 claims
- 1989US4407785AMethod of conducting catalytically promoted gas-phase reactionsENGELHARD CORP·Filed 1979·Granted Oct 4, 1983·44 cites·16 claims
- 2088US8603407B2Catalytic isobutane alkylationPFEFFERLE WILLIAM C·Filed 2007·Granted Dec 10, 2013·6 cites·8 claims
- 2188US7513306B2Method for natural gas productionPRECISION COMBUSTION INC·Filed 2008·Granted Apr 7, 2009·23 cites·4 claims
- 2286US4019316AMethod of starting a combustion system utilizing a catalystENGELHARD MIN & CHEM·Filed 1975·Granted Apr 26, 1977·37 cites·22 claims
- 2385US6973968B2Method of natural gas productionPRECISION COMBUSTION INC·Filed 2004·Granted Dec 13, 2005·53 cites·2 claims
- 2484US6752623B2Method and apparatus for a fuel-rich catalytic reactorPRECISION COMBUSTION INC·Filed 2002·Granted Jun 22, 2004·42 cites·11 claims
- 2584US6514472B2Method for operation of a catalytic reactorPRECISION COMBUSTION INC·Filed 2001·Granted Feb 4, 2003·23 cites·4 claims
- 2682US7550643B2Isobutane alkylationPRECISION COMBUSTION INC·Filed 2005·Granted Jun 23, 2009·6 cites·3 claims
- 2781US5440872ACatalytic methodFiled 1994·Granted Aug 15, 1995·39 cites·12 claims
- 2881US4603547ACatalytic relight coating for gas turbine combustion chamber and method of applicationWILLIAMS RES CORP·Filed 1980·Granted Aug 5, 1986·32 cites·24 claims
- 2980US4239499AProduction of a fuel gas and synthetic natural gas from methanolENGELHARD MIN & CHEM·Filed 1977·Granted Dec 16, 1980·24 cites·10 claims
- 3079US9433913B2Catalytic isobutane alkylationPRECISION COMBUSTION INC·Filed 2013·Granted Sep 6, 2016·2 cites·10 claims
- 3179US6748745B2Main burner, method and apparatusPRECISION COMBUSTION INC·Filed 2001·Granted Jun 15, 2004·28 cites·24 claims
- 3279US3982879AFurnace apparatus and methodENGELHARD MIN & CHEM·Filed 1975·Granted Sep 28, 1976·27 cites·34 claims
- 3378US4819595AMethod of operating catalytic ignition cyclic enginesPFEFFERLE WILLIAM C·Filed 1988·Granted Apr 11, 1989·27 cites·18 claims
- 3477US5634784ACatalytic methodPRECISION COMBUSTION INC·Filed 1994·Granted Jun 3, 1997·36 cites·10 claims
- 3576US7581587B2Method for in-situ combustion of in-place oilsPRECISION COMBUSTION INC·Filed 2006·Granted Sep 1, 2009·15 cites·9 claims
- 3676US4094142ATurbine system method and apparatusENGELHARD MIN & CHEM·Filed 1976·Granted Jun 13, 1978·30 cites·8 claims
- 3775US7521028B2Catalytic reactor for low-Btu fuelsPRECISION COMBUSTION INC·Filed 2005·Granted Apr 21, 2009·5 cites·6 claims
- 3875US4337028ACatalytic monolith, method of its formulation and combustion process using the catalytic monolithUS ENVIRONMENT·Filed 1980·Granted Jun 29, 1982·27 cites·29 claims
- 3975US4295818ACatalytic monolith and method of its formulationUSA·Filed 1980·Granted Oct 20, 1981·27 cites·9 claims
- 4074US5720163ATorch assemblyPRECISION COMBUSTION INC·Filed 1997·Granted Feb 24, 1998·37 cites·5 claims
- 4173US6328936B1Catalytic reactor for promoting a chemical reaction on a fluid passing therethroughPRECISION COMBUSTION INC·Filed 1999·Granted Dec 11, 2001·36 cites·10 claims
- 4273US4341662AMethod of catalytically coating low porosity ceramic surfacesPFEFFERLE WILLIAM C·Filed 1980·Granted Jul 27, 1982·23 cites·5 claims
- 4373US4011839AMethod and apparatus for promoting combustion in an internal combustion engine using a catalystENGELHARD MIN & CHEM·Filed 1975·Granted Mar 15, 1977·26 cites·7 claims
- 4472US8739550B2Two stage combustor with reformerETEMAD SHAHROKH·Filed 2010·Granted Jun 3, 2014·6 cites·13 claims
- 4572US6272863B1Premixed combustion method background of the inventionPRECISION COMBUSTION INC·Filed 1998·Granted Aug 14, 2001·26 cites·12 claims
- 4671US7665525B2Reducing the energy requirements for the production of heavy oilPRECISION COMBUSTION INC·Filed 2006·Granted Feb 23, 2010·11 cites·14 claims
- 4770US5791308APlug assemblyPRECISION COMBUSTION INC·Filed 1997·Granted Aug 11, 1998·33 cites·26 claims
- 4870US5466651ACatalytic methodFiled 1994·Granted Nov 14, 1995·26 cites·16 claims
- 4965US8864491B1Direct injection method and apparatus for low NOx combustion of high hydrogen fuelsPFEFFERLE WILLIAM C·Filed 2007·Granted Oct 21, 2014·4 cites·18 claims
- 5065US5234882ACatalyst and preparation thereofPFEFFERLE WILLIAM C·Filed 1991·Granted Aug 10, 1993·22 cites·9 claims
Showing the top 50 of 113 patent records by PatentIndex Score.
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