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For the Inventor, By the Inventor

Richton Park, IL, United States of America

Stephen R Kuhn

This inventor holds 17 USPTO granted patents, plus 7 CIPO patents, primarily in Railroad Technology. Top assignees: Abc Rail Products Corporation, Abc-Naco Inc., Meridian Rail Information Systems Corp.. Active years: 1994-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen R Kuhn. Retrieved from https://idiyas.com/inventor/stephen-r-kuhn

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

Calculating rank
USPTO Granted Patents = 17

% Patents Active = 100.0


Average Co-Inventor Count = 1.9

ph-index = 7

Forward Citations = 100(Granted Patents)


Company Filing History:

goldMedal12 out of 15 
 
Abc Rail Products Corporation
 patents
silverMedal2 out of 2 
 
Abc-Naco Inc.
 patents
bronzeMedal2 out of 5 
 
Meridian Rail Information Systems Corp.
 patents
4. 1 out of 10 
 
Abc Rail Corporation
 patents

Years Active: 1994-2003

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Areas of Expertise:
Railroad Switch Machine
Frog Assembly
Trackwork Intersections
Hold-Open Elements
Shock Dampening
Wing Rail
Multi-Position Holdback
Direct Support Frog
Spring Frog
Latch Holdback
Pseudo Heavy Point Frog
Foot Operated Handle
17 patents (USPTO):Explore Patents
1. 6568641 - Electrically operated railroad switch machine (2003-05-27),
2. 6427950 - Electrically operated railroad switch machine (2002-08-06),
3. 6286791 - Railroad spring wing frog with hold-open and shock dampening elements (2001-09-11),
4. 6276642 - Railroad spring wing frog assembly (2001-08-21),
5. 6224023 - Railroad spring frog assembly (2001-05-01),
6. 6164602 - Railroad frog assembly with multi-position holdback (2000-12-26),
7. 6158697 - Railroad frog assembly with latch holdback (2000-12-12),
8. 5845881 - Railroad trackwork intersections (1998-12-08),
9. 5810298 - Railroad spring frog assembly (1998-09-22),
10. 5806810 - Spring rail frog having switchable magnet for holding wing rail open (1998-09-15),
11. 5653408 - Direct support frog assembly (1997-08-05),
12. 5598993 - Pseudo heavy point frog assembly (1997-02-04),
13. 5595361 - Wing rail hold-down (1997-01-21),
14. 5544848 - Railroad spring frog (1996-08-13),
15. 5496004 - Direct support frog assembly (1996-03-05),

Title: Stephen R. Kuhn: Innovator at Vae Nortrak North America Inc.

Introduction: Stephen R. Kuhn is a prominent figure in the field of industrial innovation, currently contributing his expertise at Vae Nortrak North America Inc. While he holds no patents to his name, his role in the company and his collaborations speak volumes about his influence in the engineering and manufacturing sectors.

Latest Patents: As of now, Stephen R. Kuhn does not have any patents registered. However, his work continues to play a critical role in fostering innovation within his organization.

Career Highlights: Stephen has built a notable career at Vae Nortrak North America Inc., where he is involved in various projects aimed at enhancing rail infrastructure and safety. His efforts are focused on practical applications that can transform industry standards and improve operational efficiency.

Collaborations: Stephen collaborates with several talented individuals within his company, including Keith Young and Joan Q. Xia. These partnerships highlight the collaborative spirit at Vae Nortrak North America Inc. and showcase the synergy that drives their innovative projects.

Conclusion: While Stephen R. Kuhn may not hold any patents, his dedication to innovation and teamwork at Vae Nortrak North America Inc. highlights the importance of collaboration in the realm of invention and product development. His contributions continue to shape the future of the company and the industry as a whole.

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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