For the Inventor, By the Inventor

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Rockville, MD, United States of America

Knorr Brake Holding Corporation

USPTO Granted Patents = 22

CIPO Patents = 1

Trademarks = 7

Forward Citations = 220

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17 inventors (with patents filed for the assignee):

Thomas H Engle (9 out of 65 patents)

John J Allen (4 out of 76 patents)

Kevin B Root (4 out of 27 patents)

4. Ronald O Newton (4 out of 30 patents)

5. Peter F Lynch (3 out of 70 patents)

6. David O Chase (3 out of 22 patents)

7. Scott W Oslecki (3 out of 5 patents)

8. Martin V Maloney (3 out of 7 patents)

9. Robert P Gayfer (2 out of 10 patents)

10. Zdzislaw Samulak (1 out of 6 patents)

11. Anthony W Lumbis (1 out of 26 patents)

12. Thomas M Bogenschutz (1 out of 11 patents)

13. Robert Gayfer (1 out of 1 patent)

14. Walter E Rojecki (1 out of 6 patents)

15. Heinz-Jurgen Listl (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 5480042 - Lock and coupler for a railway ramp car having fluid and electrical (1996-01-02),

2. 5462394 - Latchmaster sliding pull up hitch (1995-10-31),

3. 5452982 - System for positioning and supporting trailers on railcars (1995-09-26),

4. D361824 - Fluid brake control valve (1995-08-29),

5. 5445083 - Lock and coupler for a railway ramp car (1995-08-29),

6. 5412572 - Computer controlled railway brake equipment (1995-05-02),

7. 5400874 - Single actuator truck mount brake system (1995-03-28),

8. 5387030 - Plural service rate sensitivity control valve (1995-02-07),

9. 5369587 - Computer controlled railway brake equipment (1994-11-29),

10. 5303157 - Single handle locomotive controller (1994-04-12),

11. 5271335 - Articulation assembly for rail cars (1993-12-21),

12. 5249125 - Computer controlled railway brake equipment (1993-09-28),

13. 5246081 - Method and apparatus for semitrailer transfer (1993-09-21),

14. 5222443 - Railway ramp car (1993-06-29),

15. 5211450 - Empty/load valve (1993-05-18),

Knorr Brake Holding Corporation is a leading manufacturer of brake systems for rail and commercial vehicles. With a focus on safety and reliability, Knorr Brake provides innovative solutions to customers worldwide. Their products include pneumatic brake systems, hydraulic brake systems, and electronic control systems.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

22 Patents

#29 in Rockville, MD

#186 in Maryland

#14,534 in US

#27,908 in the World

Rockville, MD, United States of America

Knorr Brake Holding Corporation

Forward Citations = 220

17 inventors:

Thomas H Engle (9 out of 65 patents)

John J Allen (4 out of 76 patents)

Kevin B Root (4 out of 27 patents)

4. Ronald O Newton (4 out of 30 patents)

5. Peter F Lynch (3 out of 70 patents)

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