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For the Inventor, By the Inventor

Griffith, IN, United States of America

Harry W Mulcahy

This inventor holds 15 USPTO granted patents. Top assignee: Amsted Industries Inc.. Active years: 1977-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harry W Mulcahy. Retrieved from https://idiyas.com/inventor/harry-w-mulcahy

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

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 12

Forward Citations = 584(Granted Patents)


Company Filing History:

goldMedal15 out of 317 
 
Amsted Industries Inc.
 patents

Years Active: 1977-1992

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15 patents (USPTO):Explore Patents
1. 5138954 - Freight railcar truck and bolster for outboard support of car body with (1992-08-18),
2. 5046866 - Multi friction side bearing for a railcar truck (1991-09-10),
3. 5001989 - Single axle suspension system for railway car truck (1991-03-26),
4. 4674412 - Elastomeric bearing pad with unlike threaded fasteners (1987-06-23),
5. 4561360 - Single axle suspension system for railroad vehicle (1985-12-31),
6. 4552074 - Primary suspension for railroad car truck (1985-11-12),
7. 4434720 - Multi-rate side bearing for a railway truck (1984-03-06),
8. 4413569 - Steering railroad truck (1983-11-08),
9. 4370933 - Railway car truck bolster assembly (1983-02-01),
10. 4363278 - Resilient railway truck bearing adaptor (1982-12-14),
11. 4167907 - Railway car truck friction damper assembly (1979-09-18),
12. 4147237 - Braking system and method for railroad truck (1979-04-03),
13. 4130066 - Friction side bearing assembly (1978-12-19),
14. 4114540 - Railway truck bolster (1978-09-19),
15. 4064809 - Articulated railway car truck (1977-12-27),

Title: The Innovative Mind of Harry W. Mulcahy: A Pioneer in Freight Rail Technology

Introduction: Harry W. Mulcahy, based in Griffith, Indiana, is an influential inventor with a remarkable portfolio of 15 patents, primarily focused on innovations in freight rail technology. His creative contributions have significantly advanced the efficiency and functionality of railcar systems.

Latest Patents: Among his recent innovations are two noteworthy patents. The first is the "Freight Railcar Truck and Bolster for Outboard Support of Car Body," which is a three-piece freight railcar truck with a bolster designed to extend beyond the truck side frames, offering enhanced support for the car body. This design integrates seats for self-leveling bearings that directly support the railcar body. The second patent, titled "Multi Friction Side Bearing for a Railcar Truck," features a self-leveling bearing characterized by a major body with an arcuate undersurface and an upper friction face. This innovative bearing system also includes a secondary friction body that is biased outwardly within the upper friction face, improving the overall performance of freight railcar trucks.

Career Highlights: Harry W. Mulcahy has built a distinguished career at Amsted Industries Inc., where he has employed his expertise in mechanical engineering and design to create solutions that address real-world challenges in the rail industry. His contributions have strengthened Amsted's reputation as a leader in railcar technology.

Collaborations: Throughout his career, Mulcahy has collaborated with talented individuals such as Horst T. Kaufhold and Stanley Karbowniczek. These partnerships have facilitated innovative discussions and developments, fostering an environment where groundbreaking ideas can flourish.

Conclusion: Harry W. Mulcahy stands out as a remarkable inventor whose innovations continue to make significant impacts in the field of freight rail technology. His dedication to improving the efficiency of railcar systems showcases his commitment to innovation and underscores the importance of collaboration in driving progress in engineering and technology.

Profile summary based on public USPTO records.
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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