Jeffrey L. Campbell

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Hope, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Unit injector with hard stop timing plunger
- Patent number 5,894,991
- Issue date Apr 20, 1999
- Cummins Engine Company, Inc.
- Steven D. Edwards
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Low inertia, wear-resistant valve for engine fuel injection systems
- Patent number 5,607,106
- Issue date Mar 4, 1997
- Cummins Engine Company
- Joseph C. Bentz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Wear resistant fuel injector plunger assembly
- Patent number 5,409,165
- Issue date Apr 25, 1995
- Cummins Engine Company, Inc.
- John T. Carroll
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
High pressure unit fuel injector with timing chamber pressure control
- Patent number 4,986,472
- Issue date Jan 22, 1991
- Cummins Engine Company, Inc.
- Timothy A. Warlick
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS