John D. Crofts

Person

Edinburgh, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for varying reductant delivery pressure to aftert...
- Patent number 11,143,077
- Issue date Oct 12, 2021
- Cummins Emission Solutions Inc.
- Friedrich J. Zapf
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
System and method for varying reductant delivery pressure to aftert...
- Patent number 10,301,996
- Issue date May 28, 2019
- Cummins Emission Solutions Inc.
- Friedrich J. Zapf
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Fuel pump tappet assembly
- Patent number 9,567,960
- Issue date Feb 14, 2017
- Cummins Inc.
- John D. Crofts
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Ammonia generation system for an SCR system
- Patent number 9,353,665
- Issue date May 31, 2016
- CUMMINS EMISSION SOLUTIONS, INC.
- Andrew Morgan Myer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fuel pump
- Patent number 9,151,289
- Issue date Oct 6, 2015
- Cummins Inc.
- John D. Crofts
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Piezoelectric fuel injection system with rate shape control and met...
- Patent number 6,978,770
- Issue date Dec 27, 2005
- Cummins Inc.
- Peter Rauznitz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Piezoelectric control valve adjustment method
- Patent number 6,971,172
- Issue date Dec 6, 2005
- Cummins Inc.
- John D. Crofts
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Piezoelectric fuel injection system with rate shape control and met...
- Patent number 6,912,998
- Issue date Jul 5, 2005
- Cummins Inc.
- Peter Rauznitz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector with feedback control
- Patent number 6,837,221
- Issue date Jan 4, 2005
- Cummins Inc.
- John D. Crofts
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Proportional needle control injector
- Patent number 6,595,436
- Issue date Jul 22, 2003
- Cummins Engine Company, Inc.
- Joseph Kirzhner
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Piezoelectric actuator and valve assembly with thermal expansion co...
- Patent number 6,313,568
- Issue date Nov 6, 2001
- Cummins Inc.
- Jeffrey J. Sullivan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector with floating sleeve control chamber
- Patent number 6,293,254
- Issue date Sep 25, 2001
- Cummins Engine Company, Inc.
- John D. Crofts
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector nozzle assembly with feedback control
- Patent number 6,253,736
- Issue date Jul 3, 2001
- Cummins Engine Company, Inc.
- John D. Crofts
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector with pressure balanced needle valve
- Patent number 5,979,803
- Issue date Nov 9, 1999
- Cummins Engine Company
- Lester L. Peters
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector with internal component load protection
- Patent number 5,979,789
- Issue date Nov 9, 1999
- Cummins Engine Company, Inc.
- Jeffrey J. Sullivan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector with piezoelectric and hydraulically actuated needle...
- Patent number 5,884,848
- Issue date Mar 23, 1999
- Cummins Engine Company, Inc.
- John D. Crofts
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Needle controlled fuel system with cyclic pressure generation
- Patent number 5,819,704
- Issue date Oct 13, 1998
- Cummins Engine Company, Inc.
- Yul J. Tarr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Needle controlled fuel system with cyclic pressure generation
- Patent number 5,676,114
- Issue date Oct 14, 1997
- Cummins Engine Company, Inc.
- Yul J. Tarr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electromagnetic fuel injector control valve
- Patent number 5,673,853
- Issue date Oct 7, 1997
- Cummins Engine Company, Inc.
- John D. Crofts
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Two-piece collet adjusting nut for a fuel injector solenoid valve
- Patent number 5,467,963
- Issue date Nov 21, 1995
- Cummins Engine Company, Inc.
- John D. Crofts
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Captured ring and threaded armature solenoid valve
- Patent number 5,417,403
- Issue date May 23, 1995
- Cummins Engine Company, Inc.
- Rodney M. Shurman
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Retractable throttle stop
- Patent number 4,947,814
- Issue date Aug 14, 1990
- Cummins Engine Company, Inc.
- Tibor J. Villanyi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR VARYING REDUCTANT DELIVERY PRESSURE TO AFTERT...
- Publication number 20190249582
- Publication date Aug 15, 2019
- Cummins Emission Solutions Inc.
- Friedrich J. Zapf
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SYSTEM AND METHOD FOR VARYING REDUCTANT DELIVERY PRESSURE TO AFTERT...
- Publication number 20170101913
- Publication date Apr 13, 2017
- Cummins Emission Solutions Inc.
- Friedrich J. Zapf
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
FUEL PUMP
- Publication number 20160138586
- Publication date May 19, 2016
- Cummins Inc.
- John D. Crofts
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
AMMONIA GENERATION SYSTEM FOR AN SCR SYSTEM
- Publication number 20160076420
- Publication date Mar 17, 2016
- Cummins Emission Solutions, Inc.
- Andrew Morgan Myer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FUEL PUMP TAPPET ASSEMBLY
- Publication number 20150275834
- Publication date Oct 1, 2015
- Cummins Inc.
- John D. Crofts
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL PUMP
- Publication number 20100043760
- Publication date Feb 25, 2010
- Cummins Inc.
- John D. Crofts
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
PIEZOELECTRIC FUEL INJECTION SYSTEM WITH RATE SHAPE CONTROL AND MET...
- Publication number 20050252494
- Publication date Nov 17, 2005
- Cummins Inc.
- Peter Rauznitz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Piezoelectric control valve adjustment method
- Publication number 20050056706
- Publication date Mar 17, 2005
- John D. Crofts
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Fuel injector with feedback control
- Publication number 20030106533
- Publication date Jun 12, 2003
- Cummins Ins.
- John D. Crofts
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Proportional needle control injector
- Publication number 20020166542
- Publication date Nov 14, 2002
- Joseph Kirzhner
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

John D. Crofts

Person

Patents Grantslast 30 patents

System and method for varying reductant delivery pressure to aftert...

System and method for varying reductant delivery pressure to aftert...

Fuel pump tappet assembly

Ammonia generation system for an SCR system

Fuel pump

Piezoelectric fuel injection system with rate shape control and met...

Piezoelectric control valve adjustment method

Piezoelectric fuel injection system with rate shape control and met...

Fuel injector with feedback control

Proportional needle control injector

Piezoelectric actuator and valve assembly with thermal expansion co...

Fuel injector with floating sleeve control chamber

Fuel injector nozzle assembly with feedback control

Fuel injector with pressure balanced needle valve

Fuel injector with internal component load protection

Fuel injector with piezoelectric and hydraulically actuated needle...

Needle controlled fuel system with cyclic pressure generation

Needle controlled fuel system with cyclic pressure generation

Electromagnetic fuel injector control valve

Two-piece collet adjusting nut for a fuel injector solenoid valve

Captured ring and threaded armature solenoid valve

Retractable throttle stop

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR VARYING REDUCTANT DELIVERY PRESSURE TO AFTERT...

SYSTEM AND METHOD FOR VARYING REDUCTANT DELIVERY PRESSURE TO AFTERT...

FUEL PUMP

AMMONIA GENERATION SYSTEM FOR AN SCR SYSTEM

FUEL PUMP TAPPET ASSEMBLY

FUEL PUMP

PIEZOELECTRIC FUEL INJECTION SYSTEM WITH RATE SHAPE CONTROL AND MET...

Piezoelectric control valve adjustment method

Fuel injector with feedback control

Proportional needle control injector