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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):

Manuel Tavares (32 out of 33 patents)

Zachary Ryan Brook (23 out of 26 patents)

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: Sort by Forward Citations

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),

Company Overview

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 synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

47 Patents

#5 in West Chester, PA

#273 in Pennsylvania

#7,440 in US

#14,827 in the World

West Chester, PA, United States of America

Pennsy Corporation

Forward Citations = 396

11 inventors:

Manuel Tavares (32 out of 33 patents)

Zachary Ryan Brook (23 out of 26 patents)

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pennsy Corporation. Retrieved from https://idiyas.com/company/pennsy

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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