Company Filing History:

6 out of 582

Westinghouse Air Brake Company

patents

5 out of 1,121

American Standard Inc.

patents

Years Active: 1985-2001

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6321922 - Coupling shock resistant (csr) coupler (2001-11-27),

2. 6000564 - Roller equipped uncoupling cam (1999-12-14),

3. 5954211 - Roller equipped uncoupling cam (1999-09-21),

4. 5505283 - High current harp for an electric trolley bus (1996-04-09),

5. 5499728 - Electrically operated hook coupler with manual override (1996-03-19),

6. 5152410 - Electro-pneumatic coupler control system for ensuring the safe (1992-10-06),

7. 4830437 - Brake assurance circuit to preserve proper locomotive operting status (1989-05-16),

8. 4802559 - Hydropneumatic brake actuator arranged to maintain a constant brake shoe (1989-02-07),

9. 4659149 - Cross blending electro-dynamic/friction brake system for multi-car train (1987-04-21),

10. 4550811 - Manually releasable parking brake device (1985-11-05),

11. 4496193 - Vigilance safety control system (1985-01-29),

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Location History:

Company Filing History:

Years Active: 1985-2001