Inventor
LAWRENCE KEITH E
US24 patents
⚠️ This page may combine multiple inventors who share the name “LAWRENCE KEITH E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
22 patentsUS6216458B1Apr 17, 2001
Exhaust gas recirculation system
CATERPILLAR INC148 citations98
US7444980B2Nov 4, 2008
Fuel injector nozzle for an internal combustion engine
CATERPILLAR INC12 citations92
US7134615B2Nov 14, 2006
Nozzle insert for mixed mode fuel injector
CATERPILLAR INC19 citations92
US7032566B2Apr 25, 2006
Fuel injector nozzle for an internal combustion engine
CATERPILLAR INC22 citations92
US6945475B2Sep 20, 2005
Dual mode fuel injection system and fuel injector for same
CATERPILLAR INC29 citations92
US6769392B2Aug 3, 2004
Variable valve timing in a homogenous charge compression ignition engine
CATERPILLAR INC29 citations92
US6427671B1Aug 6, 2002
Exhaust gas recirculation mixer apparatus and method
CATERPILLAR INC89 citations92
US6237336B1May 29, 2001
Exhaust gas recirculation system in an internal combustion engine and method of using same
CATERPILLAR INC40 citations92
US6230695B1May 15, 2001
Exhaust gas recirculation system
CATERPILLAR INC38 citations92
US6192686B1Feb 27, 2001
Exhaust gas recirculation system
CATERPILLAR INC20 citations92
US5564699AOct 15, 1996
Side and gap sealed oil ring
CATERPILLAR INC21 citations91
US5237976AAug 24, 1993
Engine combustion system
CATERPILLAR INC54 citations91
US6843434B2Jan 18, 2005
Dual mode fuel injector with one piece needle valve member
CATERPILLAR INC30 citations89
US6422217B1Jul 23, 2002
Back pressure valve drive EGR system
CATERPILLAR INC33 citations89
US5765534AJun 16, 1998
Loading absorbing jumper tube assembly
CATERPILLAR INC50 citations88
US5499615AMar 19, 1996
Direct injection propane fuel system for diesel engine applications
CATERPILLAR INC52 citations88
US7909271B2Mar 22, 2011
Fuel injector nozzle for an internal combustion engine
CATERPILLAR INC11 citations83
US6185939B1Feb 13, 2001
Exhaust gas recirculation system
CATERPILLAR INC19 citations82
US5603512AFeb 18, 1997
Side and gap sealed oil ring
CATERPILLAR INC15 citations72
US7055469B2Jun 6, 2006
Combustion engine variable compression ratio apparatus and method
CATERPILLAR INC9 citations70
US6205775B1Mar 27, 2001
Exhaust gas recirculation control system
CATERPILLAR INC6 citations63
US7290520B2Nov 6, 2007
Fuel injector nozzle for an internal combustion engine
CATERPILLAR INC0 citations51