Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4760895 | Electric actuators | — | 1988-08-02 |
| 4651852 | Electrically-controlled actuators | Jack Washbourn, Howard F. Cogan | 1987-03-24 |
| 4649329 | Electric actuators | — | 1987-03-10 |
| 4644180 | Actuator emergency operation | — | 1987-02-17 |
| 4571008 | Control valve arrangement | — | 1986-02-18 |
| 4552410 | Braking systems for railway | Raymond A. S. Wilkins, Edmund J. Page | 1985-11-12 |
| 4546298 | Electric actuators | Jack Washbourn, Howard F. Cogan | 1985-10-08 |
| 4546295 | Electric actuators | Jack Washbourn, Howard F. Cogan | 1985-10-08 |
| 4493511 | Combined BC pressure-maintaining valve and quick service bulb exhaust valve | — | 1985-01-15 |
| 4492412 | Braking cylinder inlet valve arrangement in braking systems for railway vehicles | Clive A. Rathband | 1985-01-08 |
| 4478460 | Interlock valve for railway braking system valve assembly | — | 1984-10-23 |
| 4364609 | Empty/load brake control valve apparatus | — | 1982-12-21 |
| 4319787 | Rail vehicle braking apparatus | — | 1982-03-16 |
| 4268989 | Buoyant device with means for producing thrust | — | 1981-05-26 |
| 4264110 | Train braking apparatus | Jack Washbourn | 1981-04-28 |
| 4206949 | Continuous quick service valves for braking systems | Clive A. Rathband, Jack Washbourn | 1980-06-10 |
| 4199198 | Vehicle braking control apparatus | — | 1980-04-22 |