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For the Inventor, By the Inventor

Rochester, NY, United States of America

General Railway Signal Corporation

Calculating rank
USPTO Granted Patents = 19


Forward Citations = 351

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30 inventors (with patents filed for the assignee):

goldMedal William A Petit (5 out of 12 patents)

silverMedal Daniel W Van Alstine (4 out of 4 patents)

bronzeMedal 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:

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),
Company Overview
General Railway Signal Corporation, based in Rochester, NY, specializes in the development and manufacturing of advanced signaling and communication systems for the railway industry. The company focuses on enhancing safety, efficiency, and reliability in rail operations through innovative technologies. With a commitment to research and development, General Railway Signal Corporation plays a crucial role in modernizing railway infrastructure, ensuring seamless integration of its solutions across various geographic regions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

19 Patents

#43 in Rochester, NY

#1,008 in New York

#17,167 in US

#32,726 in the World

Rochester, NY (US)
Rochester, NY, United States of America

General Railway Signal Corporation

Forward Citations = 351

30 inventors:

goldMedal William A Petit (5 out of 12 patents)

silverMedal Daniel W Van Alstine (4 out of 4 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: General Railway Signal Corporation. Retrieved from https://idiyas.com/company/general-railway-signal

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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