Inventor
PETERS LESTER L
US73 patents
⚠️ This page may combine multiple inventors who share the name “PETERS LESTER L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CUMMINS ENGINE CO INC
33 patentsUS6276334B1Aug 21, 2001
Premixed charge compression ignition engine with optimal combustion control
CUMMINS ENGINE CO INC385 citations97
US5899389AMay 4, 1999
Two stage fuel injector nozzle assembly
CUMMINS ENGINE CO INC153 citations97
US5884611AMar 23, 1999
Effervescent injector for diesel engines
CUMMINS ENGINE CO INC70 citations96
US5404855AApr 11, 1995
Variable displacement high pressure pump for fuel injection systems
CUMMINS ENGINE CO INC120 citations96
US5979803ANov 9, 1999
Fuel injector with pressure balanced needle valve
CUMMINS ENGINE CO INC80 citations95
US5607106AMar 4, 1997
Low inertia, wear-resistant valve for engine fuel injection systems
CUMMINS ENGINE CO INC71 citations95
US5409165AApr 25, 1995
Wear resistant fuel injector plunger assembly
CUMMINS ENGINE CO INC63 citations95
US5983863ANov 16, 1999
Compact high performance fuel system with accumulator
CUMMINS ENGINE CO INC109 citations94
US5937807AAug 17, 1999
Early exhaust valve opening control system and method
CUMMINS ENGINE CO INC80 citations94
US5441027AAug 15, 1995
Individual timing and injection fuel metering system
CUMMINS ENGINE CO INC71 citations94
US5299738AApr 5, 1994
High pressure fuel injector with cushioned plunger stop
CUMMINS ENGINE CO INC22 citations93
US5094397AMar 10, 1992
Unit fuel injector with injection chamber spill valve
CUMMINS ENGINE CO INC22 citations93
US4463901AAug 7, 1984
Unit fuel injector having independently controlled timing and metering
CUMMINS ENGINE CO INC29 citations93
US7028918B2Apr 18, 2006
Fuel injector having a nozzle with improved cooling
CUMMINS ENGINE CO INC41 citations92
US6557779B2May 6, 2003
Variable spray hole fuel injector with dual actuators
CUMMINS ENGINE CO INC53 citations92
US5518030AMay 21, 1996
Three-way flow valve with variable drain orifice area
CUMMINS ENGINE CO INC21 citations92
US5042445AAug 27, 1991
Electronic controlled fuel supply system for high pressure injector
CUMMINS ENGINE CO INC50 citations92
US4971016ANov 20, 1990
Electronic controlled fuel supply system for high pressure injector
CUMMINS ENGINE CO INC23 citations92
US5894992AApr 20, 1999
Hydraulically actuated fuel injector with injection rate shaping pressure intensifier
CUMMINS ENGINE CO INC42 citations91
US5765755AJun 16, 1998
Injection rate shaping nozzle assembly for a fuel injector
CUMMINS ENGINE CO INC36 citations90
US6116273ASep 12, 2000
Fuel metering check valve arrangement for a time-pressure controlled unit fuel injector
CUMMINS ENGINE CO INC37 citations89
US5769319AJun 23, 1998
Injection rate shaping nozzle assembly for a fuel injector
CUMMINS ENGINE CO INC26 citations89
US5647536AJul 15, 1997
Injection rate shaping nozzle assembly for a fuel injector
CUMMINS ENGINE CO INC42 citations89
US5037031AAug 6, 1991
Reduced trapped volume
CUMMINS ENGINE CO INC23 citations89
US4986472AJan 22, 1991
High pressure unit fuel injector with timing chamber pressure control
CUMMINS ENGINE CO INC25 citations89
US5619969AApr 15, 1997
Fuel injection rate shaping control system
CUMMINS ENGINE CO INC45 citations88
US5353766AOct 11, 1994
Distributor for a high pressure fuel system
CUMMINS ENGINE CO INC21 citations88
US5611317AMar 18, 1997
Open nozzle fuel injector having drive train wear compensation
CUMMINS ENGINE CO INC18 citations84
US5533672AJul 9, 1996
Dual event nozzle for low opening and high closing pressure injector
CUMMINS ENGINE CO INC17 citations74
US5326034AJul 5, 1994
Compact closed nozzle assembly for a fuel injector
CUMMINS ENGINE CO INC19 citations74
US4909219AMar 20, 1990
Hydromechanical fuel pump system
CUMMINS ENGINE CO INC7 citations74
US4441654AApr 10, 1984
Fuel injector assembly including a blow-back prevention cam
CUMMINS ENGINE CO INC10 citations74
US4294109AOct 13, 1981
Test apparatus for hydraulic valve
CUMMINS ENGINE CO INC13 citations74
CUMMINS INC
15 patentsUS6907870B2Jun 21, 2005
Multiple operating mode engine and method of operation
CUMMINS INC88 citations98
US6684849B2Feb 3, 2004
Multiple operating mode engine and method of operation
CUMMINS INC104 citations98
US6561157B2May 13, 2003
Multiple operating mode engine and method of operation
CUMMINS INC243 citations98
US6659071B2Dec 9, 2003
Internal combustion engine operable in PCCI mode with early control injection and method of operation
CUMMINS INC141 citations97
US7140353B1Nov 28, 2006
Fuel injector with piezoelectric actuator preload
CUMMINS INC61 citations96
US6912998B1Jul 5, 2005
Piezoelectric fuel injection system with rate shape control and method of controlling same
CUMMINS INC60 citations96
US6439202B1Aug 27, 2002
Hybrid electronically controlled unit injector fuel system
CUMMINS INC70 citations96
US7021558B2Apr 4, 2006
Fuel injector having a cooled lower nozzle body
CUMMINS INC53 citations92
US6978770B2Dec 27, 2005
Piezoelectric fuel injection system with rate shape control and method of controlling same
CUMMINS INC28 citations92
US7334741B2Feb 26, 2008
Fuel injector with injection rate control
CUMMINS INC22 citations90
US9562505B2Feb 7, 2017
System and method for control of fuel injector spray
CUMMINS INC10 citations83
US6964270B2Nov 15, 2005
Dual mode EGR valve
CUMMINS INC13 citations82
US10605213B2Mar 31, 2020
Nozzle combustion shield and sealing member with improved heat transfer capabilities
CUMMINS INC7 citations79
US10415524B2Sep 17, 2019
Variable spray angle injector arrangement
CUMMINS INC2 citations72
US9920674B2Mar 20, 2018
Variable spray angle injector arrangement
CUMMINS INC3 citations72
WESTPORT RES INC
1 patentMOONJELLY PAUL
1 patentShowing the top 50 of 73 patents by PatentIndex Score.