Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12280811 | System and method for monitoring the health of a damper for a rail vehicle | Per Strandberg | 2025-04-22 |
| 10988149 | Energy absorption device and method | Trygve Engelbert | 2021-04-27 |
| 10520055 | Recoil suppressing hydraulic damper for a train coupler | — | 2019-12-31 |
| 5657840 | Method and apparatus for absorbing mechanical shock | — | 1997-08-19 |
| 5398788 | Use of a displacement machine as a pressure control valve | — | 1995-03-21 |
| 5363945 | Control valve for shock absorbers | Bert Vanroye | 1994-11-15 |
| 5337863 | Method and apparatus for absorbing mechanical shock | — | 1994-08-16 |
| 5231583 | Method and apparatus for dynamic leveling of a vehicle using an active suspension system | — | 1993-07-27 |
| 5217095 | Method and apparatus for absorbing mechanical shock | — | 1993-06-08 |
| 5211268 | Control valve for shock absorbers | Bert Vanroye | 1993-05-18 |
| 5163659 | Hydraulic actuator for leveling system | — | 1992-11-17 |
| 5154263 | Method and apparatus for controlling the flow of damping fluid through a piston | — | 1992-10-13 |
| 5143186 | Method and apparatus for absorbing mechanical shock | — | 1992-09-01 |
| 5097419 | Method and apparatus for dynamic leveling | — | 1992-03-17 |
| 5025899 | Method and apparatus for absorbing mechanical shock | — | 1991-06-25 |
| 5020825 | Method and apparatus for absorbing mechanical shock | — | 1991-06-04 |
| 4955460 | Control valve for shock absorbers | Albert E. Vanroye | 1990-09-11 |
| 4923038 | Method and apparatus for absorbing mechanical shock | — | 1990-05-08 |
| 4597411 | Restriction valve device for hydraulic pressure fluids in vehicle shock absorbing mechanisms | — | 1986-07-01 |