For the Inventor, By the Inventor

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Geneva, IL, United States of America

Miner Enterprises, Inc.

USPTO Granted Patents = 142

CIPO Patents = 109

Trademarks = 16

Forward Citations = 1,937

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95 inventors (with patents filed for the assignee):

William P O'Donnell (16 out of 16 patents)

Brian A Senn (15 out of 28 patents)

Erich A Schoedl (14 out of 15 patents)

4. Christopher C Gaydos (14 out of 14 patents)

5. Donald E Wilt (13 out of 14 patents)

6. Robert T Fischer (12 out of 12 patents)

7. Andy R Kries (11 out of 11 patents)

8. Erik D Jensen (11 out of 12 patents)

9. Richard A Carlstedt (11 out of 11 patents)

10. Guadalupe L Galvan (10 out of 10 patents)

11. Paul B Aspengren (10 out of 10 patents)

12. Keith A Salis (9 out of 10 patents)

13. Kenneth A James (7 out of 8 patents)

14. Steve R White (7 out of 7 patents)

15. Rudolph S Fortuna (7 out of 9 patents)

Core Competencies:

Railcar Draft Gear

Energy Absorption System

Railroad Freight Car

Coupling System

Hopper Car Discharge Gate

Constant Contact Side Bearing

Brake Beam Assembly

Elastomeric Spring

Railcar Cushioning Assembly

Discharge Control Mechanism

Friction Modifying Insert

Railcar Yoke

142 patents: Sort by Forward Citations

1. 12459550 - Railroad freight car draft gear friction modifying insert (2025-11-04),

2. D1087835 - Railcar draft gear friction modifying insert (2025-08-12),

3. 11560162 - Railcar energy absorption system and related method for absorbing energy on a railcar (2023-01-24),

4. 11472447 - Railroad freight car coupling system (2022-10-18),

5. D963520 - H-shaped railcar follower (2022-09-13),

6. D932370 - Railcar side bearing pad (2021-10-05),

7. D909911 - Railcar follower (2021-02-09),

8. 10562546 - Mechanism for operating a railcar discharge gate assembly (2020-02-18),

9. 10407972 - Method and mechanism for controlling gravitational discharge of material from a railroad hopper car (2019-09-10),

10. D857554 - H-shaped railcar follower (2019-08-27),

11. 10384696 - Railroad car coupling system (2019-08-20),

12. 10328957 - Railcar draft gear assembly (2019-06-25),

13. 10246109 - Railcar yoke (2019-04-02),

14. 9950713 - Railroad hopper car discharge gate assembly and related method for controlling discharge of material from a railroad hopper car (2018-04-24),

15. 9908541 - Railcar brake beam assembly and related method of designing a railcar brake beam assembly (2018-03-06),

MINER ENTERPRISES, INC. is a leading manufacturer of railcar components and systems, providing innovative solutions to the global rail industry. With a rich history spanning over 120 years, Miner Enterprises is known for its high-quality products, exceptional customer service, and commitment to safety. From draft gears and draft gear components to release devices and brake systems, Miner Enterprises offers a comprehensive range of products that help maximize the performance and efficiency of railcars. With a strong focus on research and development, the company continually strives to introduce innovative technologies and solutions that meet the evolving needs of the rail industry. Visit their website to learn more about their products, services, and commitment to excellence.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

142 Patents

#1 in Geneva, IL

#169 in Illinois

#2,654 in US

#5,569 in the World

Geneva, IL, United States of America

Miner Enterprises, Inc.

Forward Citations = 1,937

95 inventors:

William P O'Donnell (16 out of 16 patents)

Brian A Senn (15 out of 28 patents)

Erich A Schoedl (14 out of 15 patents)

4. Christopher C Gaydos (14 out of 14 patents)

5. Donald E Wilt (13 out of 14 patents)

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