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Brossard, Canada

Railpower Technologies Corporation

USPTO Granted Patents = 15

% Expired Patents = 26.7

CIPO Patents = 2

Trademarks = 1

Forward Citations = 571

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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 58 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, based in Brossard, Canada, specializes in the development and manufacturing of innovative rail transportation solutions. The company focuses on creating environmentally friendly locomotives and hybrid technologies aimed at reducing emissions and enhancing energy efficiency in the rail industry. With a commitment to advancing sustainable transportation, Railpower integrates cutting-edge engineering and design to meet the evolving needs of the rail sector, contributing to a greener future in freight and passenger transport.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

15 Patents

#2 in Brossard

#983 in Canada

#39,881 in the World

Brossard, Canada

Railpower Technologies Corporation

Forward Citations = 571

12 inventors:

Frank Wegner Donnelly (14 out of 40 patents)

John David Watson (6 out of 58 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)

Please report any incorrect information to [email protected]

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