Inventor

Lester L. Peters

Inventor

Columbus, IN, US

Overview

1981–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 76 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 thereof42%

F02DControlling combustion engines15%

Y02TClimate change mitigation technologies related to transportation12%

F02BInternal-combustion piston engines8%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%

F02NStarting of combustion engines2%

F04BPositive-displacement machines for liquids2%

Y10TTechnical subjects covered by former us classification2%

F01LCyclically operating valves for machines or engines2%

B01DSeparation1%

PatentTitleYear

11,028,810Injector method of switching between injection state and drain state2021 10,982,639Fuel injector2021 10,920,727Swirl injector plunger2021 10,605,213Nozzle combustion shield and sealing member with improved heat transfer capabilities2020 10,519,911Common rail multi-cylinder fuel pump with independent pumping plunger extension2019 10,415,524Variable spray angle injector arrangement2019 10,119,496Cryogenic fuel injection and combustion2018 9,920,674'Variable spray angle injector arrangement'2018 9,903,329'Fuel injector'2018 9,897,053'Fuel cooled injector tip'2018 9,897,033'High pressure, high speed regulating switch valve'2018 9,739,246'Fuel injector with variable spray'2017 9,719,457'System and method of detecting hydraulic start-of-injection'2017 9,562,505'System and method for control of fuel injector spray'2017 9,506,429'System and method for control of fuel injector spray using ultrasonics'2016 9,080,540'Engine with injector mounting and cooling arrangement'2015 9,062,642'Fuel injector with variable spray'2015 9,010,303'System and method of detecting hydraulic start-of-injection'2015 7,334,741'Fuel injector with injection rate control'2008 7,140,353'Fuel injector with piezoelectric actuator preload'2006 7,028,918'Fuel injector having a nozzle with improved cooling'2006 7,021,558'Fuel injector having a cooled lower nozzle body'2006 6,978,770'Piezoelectric fuel injection system with rate shape control and method of controlling same'2005 6,964,270'Dual mode EGR valve'2005 6,912,998'Piezoelectric fuel injection system with rate shape control and method of controlling same'2005 6,907,870'Multiple operating mode engine and method of operation'2005 6,824,081'Needle controlled fuel injector with two control valves'2004 6,691,677'Fuel delivery device and fuel delivery system'2004 6,684,849'Multiple operating mode engine and method of operation'2004 6,659,071'Internal combustion engine operable in PCCI mode with early control injection and method of operation'2003 6,595,436'Proportional needle control injector'2003 6,588,262'Motion sensor for high pressure fluid delivery device'2003 6,561,157'Multiple operating mode engine and method of operation'2003 6,557,779'Variable spray hole fuel injector with dual actuators'2003 6,439,202'Hybrid electronically controlled unit injector fuel system'2002 6,336,598'Gaseous and liquid fuel injector with a two way hydraulic fluid control valve'2002 6,295,971'Lubricating oil and fuel blending system'2001 6,276,334'Premixed charge compression ignition engine with optimal combustion control'2001 6,116,273'Fuel metering check valve arrangement for a time-pressure controlled unit fuel injector'2000 6,098,595'Intake port injection system with shared injectors'2000 5,983,863'Compact high performance fuel system with accumulator'1999 5,979,803'Fuel injector with pressure balanced needle valve'1999 5,954,029'Unit fuel injector having constant start of injection'1999 5,937,807'Early exhaust valve opening control system and method'1999 5,899,389'Two stage fuel injector nozzle assembly'1999 5,894,992'Hydraulically actuated fuel injector with injection rate shaping pressure intensifier'1999 5,884,611'Effervescent injector for diesel engines'1999 5,769,319'Injection rate shaping nozzle assembly for a fuel injector'1998 5,765,755'Injection rate shaping nozzle assembly for a fuel injector'1998 5,713,335'Variable injection timing and injection pressure control arrangement'1998 5,647,536'Injection rate shaping nozzle assembly for a fuel injector'1997 5,619,969'Fuel injection rate shaping control system'1997 5,611,317'Open nozzle fuel injector having drive train wear compensation'1997 5,607,106'Low inertia, wear-resistant valve for engine fuel injection systems'1997 5,533,672'Dual event nozzle for low opening and high closing pressure injector'1996 5,518,030'Three-way flow valve with variable drain orifice area'1996 5,460,133'Solenoid operated pump-line-nozzle fuel injection system and inline pump therefor'1995 5,441,027'Individual timing and injection fuel metering system'1995 5,409,165'Wear resistant fuel injector plunger assembly'1995 5,404,855'Variable displacement high pressure pump for fuel injection systems'1995 5,353,766'Distributor for a high pressure fuel system'1994 5,326,034'Compact closed nozzle assembly for a fuel injector'1994 5,299,738'High pressure fuel injector with cushioned plunger stop'1994 5,277,162'Infinitely variable hydromechanical timing control'1994 5,098,260'Position-servo device for positioning a stop in a positive displacement fuel injection system'1992 5,094,397'Unit fuel injector with injection chamber spill valve'1992 5,042,445'Electronic controlled fuel supply system for high pressure injector'1991 5,037,031'Reduced trapped volume'1991 4,986,472'High pressure unit fuel injector with timing chamber pressure control'1991 4,971,016'Electronic controlled fuel supply system for high pressure injector'1990 4,909,219'Hydromechanical fuel pump system'1990 4,621,605'Positive displacement fuel injection system'1986 4,463,901'Unit fuel injector having independently controlled timing and metering'1984 4,441,654'Fuel injector assembly including a blow-back prevention cam'1984 4,410,138'Unit injector cooled by timing control fluid'1983 4,294,109'Test apparatus for hydraulic valve'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2006Patents assigned to CUMMINS ENGINE CO INC (43)· patent assignee history

1981–2021Based in Columbus, IN, US· patent location history

2002–2021Patents assigned to CUMMINS INC (28)· patent assignee history

2015–2021Patents assigned to CUMMINS IP INC (4)· patent assignee history

2015–2018Patents assigned to PETERS LESTER L (4)· patent assignee history

2015–2018Patents assigned to BUCHANAN DAVID L (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CUMMINS ENGINE CO INC	43	1981–2006
CUMMINS INC	28	2002–2021
CUMMINS IP INC	4	2015–2021
PETERS LESTER Lself	4	2015–2018
BUCHANAN DAVID L	2	2015–2018

Locations

Location	Patents	Span
Columbus, IN, US	76	1981–2021