Inventor

Keith E. Lawrence

Inventor

Peoria, IL, US

Overview

28→

Patents

1984–2016

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 28 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F02Mprimary

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof31%

F02BInternal-combustion piston engines27%

F02DControlling combustion engines11%

Y02TClimate change mitigation technologies related to transportation11%

F01LCyclically operating valves for machines or engines5%

F16JPistons3%

Y10TTechnical subjects covered by former us classification3%

B01FMixing, e.g. dissolving, emulsifying or dispersing2%

E02FDredging2%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general2%

PatentTitleYear

9,394,929'Reducing dig force in hydraulic implements'2016 7,909,271'Fuel injector nozzle for an internal combustion engine'2011 7,444,980'Fuel injector nozzle for an internal combustion engine'2008 7,370,613'Eccentric crank variable compression ratio mechanism'2008 7,290,520'Fuel injector nozzle for an internal combustion engine'2007 7,134,615'Nozzle insert for mixed mode fuel injector'2006 7,055,469'Combustion engine variable compression ratio apparatus and method'2006 7,032,566'Fuel injector nozzle for an internal combustion engine'2006 6,945,475'Dual mode fuel injection system and fuel injector for same'2005 6,843,434'Dual mode fuel injector with one piece needle valve member'2005 6,769,635'Mixed mode fuel injector with individually moveable needle valve members'2004 6,769,392'Variable valve timing in a homogenous charge compression ignition engine'2004 6,427,671'Exhaust gas recirculation mixer apparatus and method'2002 6,422,217'Back pressure valve drive EGR system'2002 6,237,336'Exhaust gas recirculation system in an internal combustion engine and method of using same'2001 6,230,695'Exhaust gas recirculation system'2001 6,216,458'Exhaust gas recirculation system'2001 6,205,775'Exhaust gas recirculation control system'2001 6,192,686'Exhaust gas recirculation system'2001 6,185,939'Exhaust gas recirculation system'2001 5,845,852'Direct operated check injector'1998 5,765,534'Loading absorbing jumper tube assembly'1998 5,603,512'Side and gap sealed oil ring'1997 5,564,699'Side and gap sealed oil ring'1996 5,499,615'Direct injection propane fuel system for diesel engine applications'1996 5,237,976'Engine combustion system'1993 5,131,316'Autoloading apparatus for tank cannon'1992 4,429,587'Attitude insensitive lubrication systems'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1992Patents assigned to GEN ELECTRIC (2)· patent assignee history

1984Based in Lanesborough, MA, US· patent location history

1992–2016Based in Peoria, IL, US· patent location history

1993–2016Patents assigned to CATERPILLAR INC (26)· patent assignee history

2008Based in Kobe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CATERPILLAR INC	26	1993–2016
GEN ELECTRIC	2	1984–1992

Locations

Location	Patents	Span
Peoria, Illinois, US	26	1992–2016
Kobe, JP	1	2008
Lanesborough, Massachusetts, US	1	1984