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For the Inventor, By the Inventor

Geneva, IL, United States of America

Miner Enterprises, Inc.


USPTO Granted Patents = 143

% Expired Patents = 14.7


Trademarks = 13

Forward Citations = 1,979

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80 inventors (with patents filed for the assignee):

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

silverMedal Erich A Schoedl (15 out of 16 patents)

bronzeMedal Brian A Senn (15 out of 28 patents)

4.  Donald E Wilt (14 out of 15 patents)

5.  Christopher C Gaydos (14 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:
Energy Absorption
Draft Gear Assembly
Coupling System
Railcar Technology
Friction Modifying Insert
Hopper Car
Brake Beam
Side Bearing Assembly
Discharge Gate
Elastomeric Spring
Railroad Freight Car
Control Mechanism

143 patents:

1. 12623697 - Railcar coupler key retainer apparatus (2026-05-12),
2. 12459550 - Railroad freight car draft gear friction modifying insert (2025-11-04),
3. D1087835 - Railcar draft gear friction modifying insert (2025-08-12),
4. 11560162 - Railcar energy absorption system and related method for absorbing energy on a railcar (2023-01-24),
5. 11472447 - Railroad freight car coupling system (2022-10-18),
6. D963520 - H-shaped railcar follower (2022-09-13),
7. D932370 - Railcar side bearing pad (2021-10-05),
8. D909911 - Railcar follower (2021-02-09),
9. 10562546 - Mechanism for operating a railcar discharge gate assembly (2020-02-18),
10. 10407972 - Method and mechanism for controlling gravitational discharge of material from a railroad hopper car (2019-09-10),
11. D857554 - H-shaped railcar follower (2019-08-27),
12. 10384696 - Railroad car coupling system (2019-08-20),
13. 10328957 - Railcar draft gear assembly (2019-06-25),
14. 10246109 - Railcar yoke (2019-04-02),
15. 9950713 - Railroad hopper car discharge gate assembly and related method for controlling discharge of material from a railroad hopper car (2018-04-24),
Miner Enterprises, Inc. is a leading provider of innovative railcar technology solutions, specializing in the design and manufacture of critical components that enhance the performance and safety of rail transport. The company focuses on advanced energy absorption systems, draft gear assemblies, and coupling systems, contributing to the efficiency and reliability of freight operations. Based in Geneva, Illinois, Miner Enterprises is dedicated to improving railcar functionality through continuous research and development in areas such as friction modification and brake systems.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Miner Enterprises, Inc.
143 Patents

#1 in Geneva, IL

#167 in Illinois

#2,735 in US

#5,688 in the World

Geneva, IL (US)
Geneva, IL, United States of America

Miner Enterprises, Inc.

Forward Citations = 1,979

80 inventors:

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

silverMedal Erich A Schoedl (15 out of 16 patents)

bronzeMedal Brian A Senn (15 out of 28 patents)

4.  Donald E Wilt (14 out of 15 patents)

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

Please report any incorrect information to [email protected]
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