Walter E. Rojecki

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Watertown, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Empty/load valve
- Patent number 5,211,450
- Issue date May 18, 1993
- Knorr Brake Holding Corporation
- Robert Gayfer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Empty-load valve device
- Patent number 4,844,554
- Issue date Jul 4, 1989
- General Signal Corporation
- Walter E. Rojecki
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake pipe pressure modulating valve device
- Patent number 4,842,341
- Issue date Jun 27, 1989
- General Signal Corporation
- Lawrence E. Vaughn
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Fluid brake control system for railroad vehicles
- Patent number 4,798,420
- Issue date Jan 17, 1989
- General Signal Corporation
- Walter E. Rojecki
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake control system
- Patent number 4,773,713
- Issue date Sep 27, 1988
- General Signal Corporation
- Walter E. Rojecki
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake control system having an electro-pneumatic pilot valve
- Patent number 4,094,553
- Issue date Jun 13, 1978
- General Signal Corporation
- Glen O. Bohusch
- B60 - VEHICLES IN GENERAL