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For the Inventor, By the Inventor

Wilmerding, PA, United States of America

Wabtec Holding Corporation


USPTO Granted Patents = 192



Trademarks = 28

Forward Citations = 888

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157 inventors (with patents filed for the assignee):

goldMedal Michael E Ring (30 out of 71 patents)

silverMedal Howard R Sommerfeld (28 out of 44 patents)

bronzeMedal Jonathon Marlow (16 out of 17 patents)

4.  Bradley Anderson (14 out of 14 patents)

5.  Scott Lee Natschke (13 out of 41 patents)

6.  Ronald J Sprainis (11 out of 13 patents)

7.  Peter Paul Gregar (11 out of 20 patents)

8.  Wajih Kanjo (11 out of 54 patents)

9.  Jeffrey Donald Kernwein (11 out of 50 patents)

10.  David J Meyer (10 out of 10 patents)

11.  Brian E Kurz (8 out of 20 patents)

12.  Carl L Haas (8 out of 24 patents)

13.  Robert N Scharpf (8 out of 10 patents)

14.  Edward W Gaughan (7 out of 35 patents)

15.  Gary M Sich (7 out of 30 patents)


Core Competencies:
Vehicle Control Systems
Data Recorder Systems
Brake Cylinder Valves
Multi-Fluid Heat Exchangers
Train Control Systems
Braking Systems
Automated Coupler Positioning
Rail Vehicle Equipment
Pneumatic Emergency Systems
Fault Detection in Power Lines
Thermally Optimized Brake Systems
Impact Resistant Devices

192 patents:

1. 11827259 - Method and system for transmitting enforceable instructions in vehicle control systems (2023-11-28),
2. 11749034 - Data recorder system and unit for a vehicle (2023-09-05),
3. 11502468 - Methods for mounting and replacing brushes (2022-11-15),
4. 11030834 - Data recorder system and unit for a vehicle (2021-06-08),
5. 10919551 - Method and system for transmitting enforceable instructions in vehicle control systems (2021-02-16),
6. 10556574 - Brake cylinder maintaining valve (2020-02-11),
7. 10435004 - ABDW to ABDX-R control valve conversion (2019-10-08),
8. 10270216 - Brush holder assemblies and methods for mounting and replacing brushes (2019-04-23),
9. 10198882 - Data recorder system and unit for a vehicle (2019-02-05),
10. 10140790 - Data recorder system and unit for a vehicle (2018-11-27),
11. 10113801 - Multi-fluid heat exchanger arrangement (2018-10-30),
12. 10094729 - System, method, and apparatus for certifying a brake pressure calibration for an end-of-train device (2018-10-09),
13. 10081379 - Broken rail detection system for communications-based train control (2018-09-25),
14. 10081378 - Method and system for transmitting enforceable instructions in positive train control systems (2018-09-25),
15. 10077033 - Braking systems and methods for determining dynamic braking data for a braking model for a train (2018-09-18),
Wabtec Holding Corporation is a global provider of equipment, systems, and services for the transportation and industrial markets. The company designs, manufactures, and services products that help move goods and people efficiently and safely. Its diverse portfolio includes locomotives, freight cars, transit vehicles, signaling systems, and more. Wabtec serves customers in industries such as rail, mining, marine, power generation, and industrial. With a commitment to innovation and sustainability, Wabtec constantly seeks new solutions to improve transportation and industrial efficiency.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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192 Patents

#3 in Wilmerding, PA

#87 in Pennsylvania

#2,065 in US

#4,259 in the World

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Wilmerding, PA, United States of America

Wabtec Holding Corporation

Forward Citations = 888

157 inventors:

goldMedal Michael E Ring (30 out of 71 patents)

silverMedal Howard R Sommerfeld (28 out of 44 patents)

bronzeMedal Jonathon Marlow (16 out of 17 patents)

4.  Bradley Anderson (14 out of 14 patents)

5.  Scott Lee Natschke (13 out of 41 patents)

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