Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6910605 | Pump which can be actuated by a hand lever | Alfred von Schuckmann | 2005-06-28 |
| 6273294 | Tablet dispenser | Ludger Sudkamp | 2001-08-14 |
| 5206805 | Continuously variable transmission clutch control system including special start mode operation | William P. Umlauf | 1993-04-27 |
| 5189611 | Temperature compensation technique for a continuously variable transmission control system | William P. Umlauf | 1993-02-23 |
| 5144265 | Pulse width modulation technique | — | 1992-09-01 |
| 5115395 | Pulse width modulation technique | — | 1992-05-19 |
| 5062050 | Continuously variable transmission line pressure control | William P. Umlauf | 1991-10-29 |
| 5007512 | Technique for clutch control in continuously variable transmission systems | — | 1991-04-16 |
| 4982822 | Control system for controlling the line pressure in a continuously variable transmission | William P. Umlauf | 1991-01-08 |
| 4811225 | Ratio control technique for continuously variable transmission | William P. Umlauf | 1989-03-07 |
| 4793454 | Continuously variable transmission clutch control system | Alan L. Miller, William P. Umlauf | 1988-12-27 |
| 4648496 | Clutch control system for a continuously variable transmission | Alan L. Miller | 1987-03-10 |
| 4220058 | Electronic control system for automatic transmission | — | 1980-09-02 |