John D. Corrie

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Chippenham, GB

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Patents Grantslast 30 patents

Information Patent Grant
Fail-safe output switching device
- Patent number 4,816,960
- Issue date Mar 28, 1989
- Westinghouse Brake & Signal Co., Ltd.
- Vincent H. Littler
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vehicle tracking system
- Patent number 4,768,740
- Issue date Sep 6, 1988
- Westinghouse Brake and Signal Company Limited
- John D. Corrie
- B61 - RAILWAYS
Information Patent Grant
Communicating vital control signals
- Patent number 4,735,383
- Issue date Apr 5, 1988
- Westinghouse Brake and Signal Company Limited
- John D. Corrie
- B61 - RAILWAYS
Information Patent Grant
Computer-based interlocking system
- Patent number 4,517,673
- Issue date May 14, 1985
- Westinghouse Brake & Signal Co.
- Christopher R. Brown
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Vital transmission checking apparatus for communication channels
- Patent number 4,494,717
- Issue date Jan 22, 1985
- Westinghouse Brake & Signal Co., Ltd.
- John D. Corrie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE