Robert O. Koch

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Warren, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Solenoid operated pressure regulating valve
- Patent number 5,121,769
- Issue date Jun 16, 1992
- Coltec Industries Inc
- Ralph P. McCabe
- G05 - CONTROLLING REGULATING
Information Patent Grant
Solenoid operated pressure control valve
- Patent number 4,917,150
- Issue date Apr 17, 1990
- Colt Industries Inc.
- Robert O. Koch
- G05 - CONTROLLING REGULATING
Information Patent Grant
Governor apparatus and system
- Patent number 4,274,376
- Issue date Jun 23, 1981
- Colt Industries Operating Corp
- Chong L. Tsiang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS