Gregory J. Speckhart

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Peoria, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for engine braking
- Patent number 6,715,467
- Issue date Apr 6, 2004
- Caterpillar Inc.
- Bryan E. Nelson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and apparatus for determining an oil grade of an actuating f...
- Patent number 6,508,107
- Issue date Jan 21, 2003
- Caterpillar Inc.
- Darwin R. Carrell
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and apparatus for determining an oil grade of an actuating f...
- Patent number 6,415,652
- Issue date Jul 9, 2002
- Caterpillar Inc.
- Darwin R. Carrell
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR ENGINE BRAKING
- Publication number 20040035387
- Publication date Feb 26, 2004
- Bryan E. Nelson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Method and apparatus for determining an oil grade of an actuating f...
- Publication number 20020083758
- Publication date Jul 4, 2002
- Darwin R. Carrell
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS