Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12012978 | Hydraulic cartridge valve with position monitoring mechanism and hydraulic control system and method | Travis Schmidt, Thomas Ptak, Scott Wickboldt | 2024-06-18 |
| 10626986 | Hydraulic motor drive system for controlling high inertial load rotary components | — | 2020-04-21 |
| 4524397 | Head positioning system for a disc data store | Brian D. Chalmers, Kenneth L. Miller | 1985-06-18 |
| 4518904 | Stepper motor control for data disk system | Nigel Macleod | 1985-05-21 |
| 4489259 | Method and apparatus for controlling a stepper motor | James N. White, Alec D. Stewart | 1984-12-18 |
| 4484124 | Method of and apparatus for damping of stepper motor using non-active windings | James N. White, Alec D. Stewart | 1984-11-20 |
| 4392095 | Method of and apparatus for generating a unique index mark from the commutation signal of a D.C. brushless motor | Alex Stewart | 1983-07-05 |