For the Inventor, By the Inventor

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Rochester, NY, United States of America

General Railway Signal Corporation

USPTO Granted Patents = 19

CIPO Patents = 2

Forward Citations = 351

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31 inventors (with patents filed for the assignee):

William A Petit (5 out of 12 patents)

Daniel W Van Alstine (4 out of 4 patents)

Charles M Eggebrecht (3 out of 3 patents)

4. Joseph M Denny (2 out of 7 patents)

5. Mark Alan Hager (2 out of 4 patents)

6. John W Parker (2 out of 10 patents)

7. Zalmai Shahbaz (2 out of 2 patents)

8. Kenton H Barker (2 out of 4 patents)

9. James M Martin (2 out of 7 patents)

10. George E Ludwick (2 out of 3 patents)

11. Allen Baughman (1 out of 2 patents)

12. Robert I Hochman (1 out of 2 patents)

13. Keith J Gordon (1 out of 2 patents)

14. James R Hoelscher (1 out of 6 patents)

15. Harry A Albrecht (1 out of 13 patents)

19 patents: Sort by Forward Citations

1. 6102387 - Automated sheet dispenser (2000-08-15),

2. 6009554 - Systems safety vital arbiter employing numerical techniques (1999-12-28),

3. 5867801 - Remote asset monitoring system (1999-02-02),

4. 5671348 - Non-vital turn off of vital output circuit (1997-09-23),

5. 5669587 - Point detection and indication with latch out means (1997-09-23),

6. 5633628 - Wheelset monitoring system (1997-05-27),

7. 5590857 - Trailing device for a railroad switch layout (1997-01-07),

8. 5586737 - Switch machine cam bar (1996-12-24),

9. 5582370 - Switch machine with ratchet mechanism on hand throw mechanism (1996-12-10),

10. 5504405 - Switch machine controller with fail safe mechanism (1996-04-02),

11. 5494242 - Low profile switch machine with hand throw or motor throw selector device (1996-02-27),

12. 5438322 - Thermal sensor for detection of potential mechanical failures and (1995-08-01),

13. 5433166 - Railway light signal (1995-07-18),

14. 5364047 - Automatic vehicle control and location system (1994-11-15),

15. 5356098 - Communication system for transmitting RF signals representative of (1994-10-18),

General Railway Signal Corporation is a leading provider of railroad signaling and control systems. With over 100 years of experience, we offer innovative solutions to enhance safety, efficiency, and reliability in rail transportation. Our products include interlocking systems, train control systems, and crossing warning systems. We are committed to delivering high-quality products and exceptional customer service to our clients worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

19 Patents

#41 in Rochester, NY

#927 in New York

#16,575 in US

#31,645 in the World

Rochester, NY, United States of America

General Railway Signal Corporation

Forward Citations = 351

31 inventors:

William A Petit (5 out of 12 patents)

Daniel W Van Alstine (4 out of 4 patents)

Charles M Eggebrecht (3 out of 3 patents)

4. Joseph M Denny (2 out of 7 patents)

5. Mark Alan Hager (2 out of 4 patents)

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