David John Wickham

Person

London, EN

People

Patents Grantslast 30 patents

Information Patent Grant
Brake control valve apparatus
- Patent number 4,095,850
- Issue date Jun 20, 1978
- Westinghouse Brake & Signal Co. Ltd.
- David John Wickham
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vehicle braking control apparatus
- Patent number 4,070,068
- Issue date Jan 24, 1978
- Westinghouse Brake & Signal Co. Ltd.
- David John Wickham
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake control valve apparatus
- Patent number 4,050,745
- Issue date Sep 27, 1977
- Westinghouse Brake & Signal Company, Ltd.
- David John Wickham
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rail vehicle brake pipe valve arrangement having a fluid pressure d...
- Patent number 4,043,606
- Issue date Aug 23, 1977
- Westinghouse Brake & Signal Co. Ltd.
- David John Wickham
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Fluid pressure operable brake control valve apparatus
- Patent number 4,025,125
- Issue date May 24, 1977
- Westinghouse Brake & Signal Company Limited
- David John Wickham
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rail vehicle braking system with improved brake signal propagation
- Patent number 3,966,272
- Issue date Jun 29, 1976
- Westinghouse Brake & Signal Company Limited
- David John Wickham
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Fluid pressure apparatus
- Patent number 3,948,083
- Issue date Apr 6, 1976
- Westinghouse Brake & Signal Company Limited
- David John Wickham
- B60 - VEHICLES IN GENERAL

David John Wickham

Person

Patents Grantslast 30 patents

Brake control valve apparatus

Vehicle braking control apparatus

Brake control valve apparatus

Rail vehicle brake pipe valve arrangement having a fluid pressure d...

Fluid pressure operable brake control valve apparatus

Rail vehicle braking system with improved brake signal propagation

Fluid pressure apparatus