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For the Inventor, By the Inventor

West Chester, PA, United States of America

Pennsy Corporation


USPTO Granted Patents = 47

% Expired Patents = 4.3

Forward Citations = 396

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11 inventors (with patents filed for the assignee):

goldMedal Manuel Tavares (32 out of 33 patents)

silverMedal Zachary Ryan Brook (23 out of 26 patents)

bronzeMedal Wayne H Murphy (21 out of 32 patents)

4.  Michael James Schmidt (18 out of 25 patents)

5.  Aaron Stern (17 out of 17 patents)

6.  Perry Levitt (10 out of 12 patents)

7.  John W Rudibaugh (10 out of 10 patents)

8.  Charles L Van Auken (7 out of 8 patents)

9.  Robert J Sauer (3 out of 6 patents)

10.  Jeffrey Houtmann (2 out of 2 patents)

11.  Charles L Vanauken (1 out of 1 patent)


Core Competencies:
Coupler
Knuckle Pin
Railcar Truck
Lightweight Coupler
Thermoplastic Elastomer
Railway Vehicle
Brake Beam Protector
Wear Plate
Rerailer
Polymer Spring
Bearing Adapter
Protective Devices

47 patents:

1. D1129305 - Cargo protection device for railway cars (2026-06-09),
2. D1096545 - Rail car side screen protector (2025-10-07),
3. 12269518 - Knuckle pin (2025-04-08),
4. 11608095 - Knuckle pin (2023-03-21),
5. 11433927 - Lightweight fatigue resistant railcar truck, sideframe and bolster (2022-09-06),
6. 11345374 - Lightweight coupler (2022-05-31),
7. 11345372 - Lightweight yoke for railway coupling (2022-05-31),
8. 10994754 - Coupler for a railway vehicle, cores and method for production (2021-05-04),
9. 10906568 - Coupler knuckle, cores and method of production (2021-02-02),
10. 10906567 - Process for producing a coupler knuckle and improved coupler knuckle (2021-02-02),
11. 10570244 - Cross-linked thermoplastic co-polyester elastomer, method of making same, and articles composed thereof (2020-02-25),
12. 10399580 - Process for producing a coupler knuckle and improved coupler knuckle (2019-09-03),
13. 10322732 - Coupler knuckle, cores and method of production (2019-06-18),
14. 10252733 - Lightweight fatigue resistant railcar truck, sideframe and bolster (2019-04-09),
15. 10196076 - Coupler knuckle (2019-02-05),
Pennsy Corporation, based in West Chester, PA, specializes in the development and manufacturing of advanced railway components. The company focuses on innovative solutions such as railway couplings, coupler knuckles, and fatigue-resistant materials, enhancing the performance and safety of rail systems. Additionally, Pennsy is recognized for its expertise in railcar truck design, polymer springs, and wear plates, contributing to the efficiency and reliability of railway vehicles. Their commitment to lightweight rerailers further underscores their role in modern railway technology.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Pennsy Corporation
47 Patents

#4 in West Chester, PA

#272 in Pennsylvania

#7,425 in US

#14,796 in the World

West Chester, PA (US)
West Chester, PA, United States of America

Pennsy Corporation

Forward Citations = 396

11 inventors:

goldMedal Manuel Tavares (32 out of 33 patents)

silverMedal Zachary Ryan Brook (23 out of 26 patents)

bronzeMedal Wayne H Murphy (21 out of 32 patents)

4.  Michael James Schmidt (18 out of 25 patents)

5.  Aaron Stern (17 out of 17 patents)

Please report any incorrect information to [email protected]
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