John H. Corvin

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Greer, SC, US

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Patents Grantslast 30 patents

Information Patent Grant
Time reset safety timer circuit
- Patent number 6,698,848
- Issue date Mar 2, 2004
- Westinghouse Air Brake Technologies Corporation
- John H. Corvin
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Signal processing unit for a trolley pole switch controller
- Patent number 6,025,702
- Issue date Feb 15, 2000
- Westinghouse Air Brake Company
- Francis A. Launier
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Safe brake cutout detection for train
- Patent number 6,023,966
- Issue date Feb 15, 2000
- Westinghouse Air Brake Company
- Richard J. Mazur
- B61 - RAILWAYS
Information Patent Grant
Pulse width modulated drive for an infinitely variable solenoid ope...
- Patent number 5,815,362
- Issue date Sep 29, 1998
- Westinghouse Air Brake Company
- Barry J. Kahr
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electronic controller for a trolley pole switch mechanism
- Patent number 5,740,025
- Issue date Apr 14, 1998
- Westinghouse Air Brake Company
- Charles C. Siegling
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power controlling unit for a trolley pole switch controller
- Patent number 5,691,888
- Issue date Nov 25, 1997
- Westinghouse Air Brake Company
- John H. Corvin
- B60 - VEHICLES IN GENERAL