For the Inventor, By the Inventor

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Wiltshire, United Kingdom

Westinghouse Brake and Signal Holdings Limited

USPTO Granted Patents = 25

EPO Patents = 2

Trademarks = 1

Forward Citations = 433

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35 inventors (with patents filed for the assignee):

Keith William Langley (4 out of 6 patents)

Colin Burton (3 out of 3 patents)

Malcolm R Reeves (3 out of 4 patents)

4. Derek Tate (2 out of 7 patents)

5. Lawrence Lawson McAllister (2 out of 2 patents)

6. Michael John Evans (2 out of 3 patents)

7. Jack Washbourn (2 out of 14 patents)

8. Stephen Baker (1 out of 4 patents)

9. Charles Edward Riley (1 out of 1 patent)

10. Michael Kenneth John Chapman (1 out of 1 patent)

11. Jonathan David Francis (1 out of 1 patent)

12. Paul Robertshaw (1 out of 1 patent)

13. Jay Walser (1 out of 1 patent)

14. Frank George Tichborne (1 out of 1 patent)

15. Henry Archer Ryland (1 out of 1 patent)

25 patents: Sort by Forward Citations

1. 8157218 - Railway vehicle detection (2012-04-17),

2. 7523893 - Train detection (2009-04-28),

3. 7395139 - Condition monitoring system (2008-07-01),

4. 7017864 - Railway track circuits (2006-03-28),

5. 6956494 - Signal lamps and apparatus (2005-10-18),

6. 6848658 - Train detection (2005-02-01),

7. 6508519 - Controlling a braking system (2003-01-21),

8. 6308117 - Interlocking for a railway system (2001-10-23),

9. 6032906 - Point drive unit (2000-03-07),

10. 5947423 - Vehicle control system (1999-09-07),

11. 5845579 - Movable thresholds and railway platform barrier doors (1998-12-08),

12. 5831291 - Insulated gate bipolar transistors (1998-11-03),

13. 5682388 - Data testing (1997-10-28),

14. 5550392 - Semiconductor switching devices (1996-08-27),

15. 5440489 - Regulating a railway vehicle (1995-08-08),

Westinghouse Brake and Signal Holdings Limited is a leading provider of innovative signaling, braking, and control solutions for the railway industry. With a history dating back over a century, Westinghouse Brake and Signal has established itself as a trusted partner to customers worldwide. The company's products and technologies enhance the safety, efficiency, and reliability of railways, enabling operators to deliver superior performance while ensuring passenger and crew safety. With a strong focus on research and development, Westinghouse Brake and Signal continues to shape the future of railway signaling and braking systems.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

25 Patents

#5 in Wiltshire

#697 in United Kingdom

#24,910 in the World

Wiltshire, United Kingdom

Westinghouse Brake and Signal Holdings Limited

Forward Citations = 433

35 inventors:

Keith William Langley (4 out of 6 patents)

Colin Burton (3 out of 3 patents)

Malcolm R Reeves (3 out of 4 patents)

4. Derek Tate (2 out of 7 patents)

5. Lawrence Lawson McAllister (2 out of 2 patents)

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