For the Inventor, By the Inventor

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Owosso, MI, United States of America

Midland Brake, Inc.

USPTO Granted Patents = 31

Forward Citations = 290

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31 inventors (with patents filed for the assignee):

Steven D Wallestad (9 out of 9 patents)

Robert L Koelzer (5 out of 23 patents)

Albert D Fisher (3 out of 19 patents)

4. David G Engelbert (3 out of 11 patents)

5. Michael J Moody (3 out of 3 patents)

6. Robert S Taylor (3 out of 3 patents)

7. Roger D Hanaway (2 out of 10 patents)

8. Dario Gross (2 out of 2 patents)

9. Jeffery S Johnston (2 out of 2 patents)

10. Joseph C Spencer (2 out of 2 patents)

11. James D Hart (2 out of 2 patents)

12. Bryan E Simoncic (2 out of 2 patents)

13. Ronald S Plantan (1 out of 67 patents)

14. Robert J McMullen (1 out of 2 patents)

15. Richard D Hetfield (1 out of 1 patent)

31 patents: Sort by Forward Citations

1. 5722740 - Full function skid control braking system for vehicles (1998-03-03),

2. 5709246 - Booster valve with contaminant ejection for use in a pneumatic brake (1998-01-20),

3. 5704273 - Hydraulic system for accommodating fluid pressure variations (1998-01-06),

4. 5623862 - Long stroke spring brake actuator (1997-04-29),

5. 5580101 - Tapered joint thread system (1996-12-03),

6. 5577814 - Full function skid control braking system for vehicles (1996-11-26),

7. 5553928 - Simplified full-function valve for heavy duty brake systems (1996-09-10),

8. 5511860 - Brake system for heavy duty semi-trailer brake systems (1996-04-30),

9. 5497742 - Drive through crankshaft (1996-03-12),

10. 5466053 - Full-function valve for tandem trailer brake system (1995-11-14),

11. 5458403 - Full-function valve with quick drive away for heavy duty semi-trailer (1995-10-17),

12. 5425572 - Quick-release valve for a vehicle air release brake system (1995-06-20),

13. 5425571 - Split system full-funtion valve system for heavy duty semi-trailer brake (1995-06-20),

14. 5417479 - Full-function valve for heavy duty semi-trailer brake system (1995-05-23),

15. 5409303 - Full function skid control braking system for vehicles (1995-04-25),

Midland Brake, Inc. is a renowned provider of braking solutions for the rail industry. With decades of experience, we design, manufacture, and distribute a wide range of high-quality brake components, systems, and products. Our innovative solutions ensure efficient and reliable braking performance in various rail applications, including locomotives, freight cars, and passenger trains. Visit our website to learn more about our comprehensive offerings and commitment to safety, quality, and customer satisfaction.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

31 Patents

#1 in Owosso, MI

#394 in Michigan

#10,562 in US

#20,639 in the World

Owosso, MI, United States of America

Midland Brake, Inc.

Forward Citations = 290

31 inventors:

Steven D Wallestad (9 out of 9 patents)

Robert L Koelzer (5 out of 23 patents)

Albert D Fisher (3 out of 19 patents)

4. David G Engelbert (3 out of 11 patents)

5. Michael J Moody (3 out of 3 patents)

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