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USPTO Patent Rankings Data through Dec 31, 2025
KL

Keith E. Lawrence — 28 Patents

Caterpillar: 26 patents #116 of 8,398Top 2%
GE: 2 patents #13,632 of 36,430Top 40%
Peoria, IL: #28 of 1,769 inventorsTop 2%
Illinois: #2,273 of 84,256 inventorsTop 3%
Overall (All Time): #134,628 of 4,157,543Top 4%
28 Patents All Time
Keith E. Lawrence has been granted 28 US patents while listed as an inventor at Caterpillar. The first was granted in 1984 and the most recent in July 2016. Keith E. Lawrence ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Keith E. Lawrence in Peoria, IL, US.

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9394929 Reducing dig force in hydraulic implements John J. Krone, Nick W. Biggs, Karl Kirsch, Yuya Kanenawa, Tetsuya Yoshino +1 more 2016-07-19 $34,402,000
7909271 Fuel injector nozzle for an internal combustion engine Mark S. Cavanagh, Roger Urven 2011-03-22 $25,186,000
7444980 Fuel injector nozzle for an internal combustion engine Mark S. Cavanagh, Roger Urven 2008-11-04 $29,377,000
7370613 Eccentric crank variable compression ratio mechanism William E. Moser, Stephan D. Roozenboom, Kevin Knox 2008-05-13 $37,508,000
7290520 Fuel injector nozzle for an internal combustion engine Mark S. Cavanagh, Roger Urven 2007-11-06 $27,186,000
7134615 Nozzle insert for mixed mode fuel injector 2006-11-14 $79,133,000
7055469 Combustion engine variable compression ratio apparatus and method Bryan E. Strawbridge, Charles H. Dutart 2006-06-06 $44,311,000
7032566 Fuel injector nozzle for an internal combustion engine Mark S. Cavanagh, Roger Urven 2006-04-25 $29,625,000
6945475 Dual mode fuel injection system and fuel injector for same Ye Tian 2005-09-20 $38,327,000
6843434 Dual mode fuel injector with one piece needle valve member Michael Hans Hinrichsen, Colby Jason Buckman 2005-01-18 $14,859,000
6769392 Variable valve timing in a homogenous charge compression ignition engine James J. Faletti, Steven J. Funke, Ronald P. Maloney 2004-08-03 $7,318,000
6769635 Mixed mode fuel injector with individually moveable needle valve members Chris Stewart, Scott A. Chockley, Daniel R. Ibrahim, Jay Tomaseki, Junru Azam +2 more 2004-08-03 $7,318,000
6427671 Exhaust gas recirculation mixer apparatus and method Gordon H. Holze, Samuel L. Montooth 2002-08-06 $42,794,000
6422217 Back pressure valve drive EGR system Dennis D. Feucht, Eric C. Fluga, Carol A. Rathman 2002-07-23 $14,802,000
6237336 Exhaust gas recirculation system in an internal combustion engine and method of using same Dennis D. Feucht 2001-05-29 $17,665,000
6230695 Exhaust gas recirculation system Gerald N. Coleman, Dennis D. Feucht 2001-05-15 $38,699,000
6216458 Exhaust gas recirculation system Matthew J. Alger, Brett M. Bailey, Gerald N. Coleman, Todd A. Davis, Dennis D. Feucht +1 more 2001-04-17 $11,964,000
6205775 Exhaust gas recirculation control system Gerald N. Coleman 2001-03-27 $12,204,000
6192686 Exhaust gas recirculation system Gerald N. Coleman, Dennis D. Feucht 2001-02-27 $28,642,000
6185939 Exhaust gas recirculation system Gerald N. Coleman, Michael Evancik, Dennis D. Feucht, Jiubo Ma 2001-02-13 $24,904,000
5845852 Direct operated check injector Donald J. Waldman, Steven J. Funke, Craig W. Lohmann 1998-12-08 $26,756,000
5765534 Loading absorbing jumper tube assembly Peter A. Brown, Richard A. Linse, William E. Moser 1998-06-16 $44,363,000
5603512 Side and gap sealed oil ring Tsu Pin Shyu, Donald J. Waldman, Ross Paul Wietharn 1997-02-18 $13,448,000
5564699 Side and gap sealed oil ring Tsu Pin Shyu, Donald J. Waldman, Ross Paul Wietharn 1996-10-15 $7,202,000
5499615 Direct injection propane fuel system for diesel engine applications Kenneth Suda, William J. Hays 1996-03-19 $20,271,000