Issued Patents All Time
Showing 25 most recent of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5118164 | Adaptive braking system default activated proportioning valve | Louis P. Rossigno, Robert B. Temple | 1992-06-02 |
| 5046313 | Master cylinder with fluid level and pressure failure detection | Donald A. Crumb, William F. Dillon, Jr., Richard A. Zander | 1991-09-10 |
| 5016442 | Master cylinder with fluid level and pressure failure detector | Richard A. Zander, Donald A. Crumb | 1991-05-21 |
| 4995676 | Positioning ring for a hydraulically operated warning device | Donald A. Crumb, Richard A. Zander | 1991-02-26 |
| 4982999 | Adaptive braking system default activated proportioning valve | Louis P. Rossigno, Robert B. Temple | 1991-01-08 |
| 4929033 | Primary and secondary pressure-balanced proportioning valve | Richard A. Zander, William F. Dillon, Jr., Donald A. Crumb | 1990-05-29 |
| 4908522 | Pressure-balanced proportioning valve with vent-controlled bypass | Donald A. Crumb, John E. Steer | 1990-03-13 |
| 4843820 | Brake system in-line fast fill valve | Donald A. Crumb | 1989-07-04 |
| 4821519 | Primary pressure-balanced proportioning valve | John E. Steer, Donald A. Crumb | 1989-04-18 |
| 4815292 | Multi-part primary pressure-balanced proportioning valve with brake pressure failure switch | Donald A. Crumb, William F. Dillon, Jr. | 1989-03-28 |
| 4770471 | Deceleration and pressure sensitive proportioning valve assembly with braking torque adjustability | — | 1988-09-13 |
| 4753487 | Failure switch for braking system proportioning valve | Lloyd G. Bach | 1988-06-28 |
| 4745751 | Master cylinder with fast fill valving mechanism | — | 1988-05-24 |
| 4738595 | Hydraulic pump with integrated sump and accumulator | — | 1988-04-19 |
| 4736989 | Dual deceleration and pressure-sensitive proportioning valve | Lawrence R. Myers, Lloyd G. Bach | 1988-04-12 |
| 4718734 | Deceleration and pressure sensitive proportioning valve | — | 1988-01-12 |
| 4685299 | Threaded sleeve member for connecting master cylinder to vacuum booster | Lawrence R. Myers | 1987-08-11 |
| 4679864 | Deceleration and pressure sensitive propoptioning valve with low deceleration responsiveness | Lawrence R. Myers, Lloyd G. Bach | 1987-07-14 |
| 4652058 | Deceleration and pressure sensitive proportioning valve with high pressure damping | Dean E. Runkle | 1987-03-24 |
| 4625516 | Brake booster | — | 1986-12-02 |
| 4615419 | Torque sensing braking controller for brakes | — | 1986-10-07 |
| 4606583 | Brake system | — | 1986-08-19 |
| 4604870 | Brake booster | Lloyd G. Bach, Lawrence R. Myers | 1986-08-12 |
| 4604866 | Master cylinder | — | 1986-08-12 |
| 4595243 | Deceleration and pressure sensitive proportioning valve | — | 1986-06-17 |