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John D. Crofts
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Edinburgh, IN, US
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Patents Grants
last 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 Applications
last 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