Inventor
COLEMAN GERALD N
US49 patents
⚠️ This page may combine multiple inventors who share the name “COLEMAN GERALD N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
40 patentsUS6412279B1Jul 2, 2002
Twin turbine exhaust gas re-circulation system having a second stage variable nozzle turbine
CATERPILLAR INC131 citations98
US6216458B1Apr 17, 2001
Exhaust gas recirculation system
CATERPILLAR INC148 citations98
US6651618B1Nov 25, 2003
Air and fuel supply system for combustion engine
CATERPILLAR INC106 citations97
US6205785B1Mar 27, 2001
Exhaust gas recirculation system
CATERPILLAR INC60 citations96
US6272859B1Aug 14, 2001
Device for controlling a variable geometry turbocharger
CATERPILLAR INC75 citations95
US6543428B1Apr 8, 2003
Intake air separation system for an internal combustion engine
CATERPILLAR INC58 citations94
US6484499B2Nov 26, 2002
Twin variable nozzle turbine exhaust gas recirculation system
CATERPILLAR INC23 citations93
US6484500B1Nov 26, 2002
Two turbocharger engine emission control system
CATERPILLAR INC54 citations93
US6321537B1Nov 27, 2001
Exhaust gas recirculation system in an internal combustion engine
CATERPILLAR INC39 citations93
US7371353B2May 13, 2008
Exhaust purification with on-board ammonia production
CATERPILLAR INC18 citations92
US7252054B2Aug 7, 2007
Combustion engine including cam phase-shifting
CATERPILLAR INC34 citations92
US7201121B2Apr 10, 2007
Combustion engine including fluidically-driven engine valve actuator
CATERPILLAR INC46 citations92
US7191743B2Mar 20, 2007
Air and fuel supply system for a combustion engine
CATERPILLAR INC20 citations92
US7178492B2Feb 20, 2007
Air and fuel supply system for combustion engine
CATERPILLAR INC33 citations92
US6883314B2Apr 26, 2005
Cooling of engine combustion air
CATERPILLAR INC42 citations92
US6640542B2Nov 4, 2003
Bypass venturi assembly with single shaft actuator for an exhaust gas recirculation system
CATERPILLAR INC20 citations92
US6453893B1Sep 24, 2002
Intake air separation system for an internal combustion engine
CATERPILLAR INC21 citations92
US6439212B1Aug 27, 2002
Bypass venturi assembly and elbow with turning vane for an exhaust gas recirculation system
CATERPILLAR INC28 citations92
US6230695B1May 15, 2001
Exhaust gas recirculation system
CATERPILLAR INC38 citations92
US6192686B1Feb 27, 2001
Exhaust gas recirculation system
CATERPILLAR INC20 citations92
US5873916AFeb 23, 1999
Fuel emulsion blending system
CATERPILLAR INC112 citations92
US5701863ADec 30, 1997
Aqueous fuel emulsion identification system and anti-tampering device for an internal combustion engine
CATERPILLAR INC42 citations92
US5765537AJun 16, 1998
Fuel recirculation system
CATERPILLAR INC23 citations91
US5709196AJan 20, 1998
Fuel control system for an internal combustion engine using a low cetane quality fuel
CATERPILLAR INC20 citations91
US5682842ANov 4, 1997
Fuel control system for an internal combustion engine using an aqueous fuel emulsion
CATERPILLAR INC39 citations91
US7198024B2Apr 3, 2007
Low emissions compression ignited engine technology
CATERPILLAR INC16 citations84
US6418721B1Jul 16, 2002
Two turbocharger exhaust gas re-circulation system having a first stage variable nozzle turbine
CATERPILLAR INC17 citations84
US6659092B2Dec 9, 2003
Bypass assembly with annular bypass venturi for an exhaust gas recirculation system
CATERPILLAR INC18 citations83
US6609373B2Aug 26, 2003
Exhaust gas recirculation system with variable geometry turbine and bypass venturi assembly
CATERPILLAR INC19 citations83
US7523606B2Apr 28, 2009
Parasitic load control system for exhaust temperature control
CATERPILLAR INC14 citations82
US6185939B1Feb 13, 2001
Exhaust gas recirculation system
CATERPILLAR INC19 citations82
US6125796AOct 3, 2000
Staged injection of an emulsified diesel fuel into a combustion chamber of a diesel engine
CATERPILLAR INC9 citations74
US6079395AJun 27, 2000
Exhaust gas recirculation system
CATERPILLAR INC9 citations74
US7811527B2Oct 12, 2010
Exhaust purification with on-board ammonia production
CATERPILLAR INC6 citations73
USRE39937EDec 11, 2007
Exhaust gas recirculation system
CATERPILLAR INC3 citations63
US6205775B1Mar 27, 2001
Exhaust gas recirculation control system
CATERPILLAR INC6 citations63
US5701924ADec 30, 1997
Apparatus and method for detecting and handling liquid separation in liquid emulsions
CATERPILLAR INC5 citations63
US7552583B2Jun 30, 2009
Exhaust purification with on-board ammonia production
CATERPILLAR INC5 citations62
US7287372B2Oct 30, 2007
Exhaust after-treatment system with in-cylinder addition of unburnt hydrocarbons
CATERPILLAR INC3 citations62
US7661263B2Feb 16, 2010
Method of operating an internal combustion engine
CATERPILLAR INC4 citations60
CLEAN FUEL TECHNOLOGY INC
6 patentsUS6607566B1Aug 19, 2003
Stabile fuel emulsions and method of making
CLEAN FUEL TECHNOLOGY INC43 citations88
US6786938B1Sep 7, 2004
Aqueous fuel formulation for reduced deposit formation on engine system components
CLEAN FUEL TECHNOLOGY INC17 citations83
US6656236B1Dec 2, 2003
Constant heating value aqueous fuel mixture and method for formulating the same
CLEAN FUEL TECHNOLOGY INC15 citations82
US6447556B1Sep 10, 2002
Fuel emulsion blending system
CLEAN FUEL TECHNOLOGY INC15 citations81
US6386149B1May 14, 2002
Method of operating an engine with a mixture of gaseous fuel and emulsified pilot fuel to reduce nitrogen oxide emissions
CLEAN FUEL TECHNOLOGY INC18 citations80
US6397826B1Jun 4, 2002
Fuel cooling system for fuel emulsion based compression ignition engine
CLEAN FUEL TECHNOLOGY INC12 citations74