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Brossard, Canada

Railpower Technologies Corporation

USPTO Granted Patents = 15

CIPO Patents = 2

Trademarks = 2

Forward Citations = 559

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12 inventors (with patents filed for the assignee):

Frank Wegner Donnelly (14 out of 40 patents)

John David Watson (6 out of 57 patents)

Andrew Colin Tarnow (3 out of 8 patents)

4. David Herman Swan (3 out of 4 patents)

5. Brian Gulayets Iwan (2 out of 2 patents)

6. Douglas W Swartz (1 out of 12 patents)

7. Serge Mai (1 out of 2 patents)

8. Frank Wegner-Donnelly (1 out of 2 patents)

9. Bruce Wolff (1 out of 4 patents)

10. Raymond Cousineau (1 out of 1 patent)

11. Brian Ward Gulayets (1 out of 1 patent)

12. Gerard Henry Koldyk (1 out of 2 patents)

15 patents: Sort by Forward Citations

1. 7554278 - Load-lifting apparatus and method of storing energy for the same (2009-06-30),

2. 7518254 - Multiple prime power source locomotive control (2009-04-14),

3. 7514807 - Alternator boost method (2009-04-07),

4. 7507500 - Design of a large battery pack for a hybrid locomotive (2009-03-24),

5. 7467830 - Managing wheel slip in a locomotive (2008-12-23),

6. 7349797 - Emission management for a hybrid locomotive (2008-03-25),

7. 7309929 - Locomotive engine start method (2007-12-18),

8. 7304445 - Locomotive power train architecture (2007-12-04),

9. 7124691 - Method for monitoring and controlling locomotives (2006-10-24),

10. 7084602 - Predicting wheel slip and skid in a locomotive (2006-08-01),

11. 7064507 - Managing wheel skid in a locomotive (2006-06-20),

12. 6984946 - Method for monitoring and controlling traction motors in locomotives (2006-01-10),

13. 6812656 - Sequenced pulse width modulation method and apparatus for controlling and powering a plurality of direct current motors (2004-11-02),

14. D464622 - Battery terminals (2002-10-23),

15. 6308639 - Hybrid battery/gas turbine locomotive (2001-10-30),

Railpower Technologies Corporation, founded in 2001, is a leading provider of innovative energy technologies specifically designed for the rail industry. They specialize in developing and manufacturing environmentally-friendly power systems for locomotives and other rail vehicles. Railpower is committed to reducing emissions, improving energy efficiency, and enhancing the overall performance of rail transportation.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

15 Patents

#2 in Brossard

#942 in Canada

#38,669 in the World

Brossard, Canada

Railpower Technologies Corporation

Forward Citations = 559

12 inventors:

Frank Wegner Donnelly (14 out of 40 patents)

John David Watson (6 out of 57 patents)

Andrew Colin Tarnow (3 out of 8 patents)

4. David Herman Swan (3 out of 4 patents)

5. Brian Gulayets Iwan (2 out of 2 patents)

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