Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7814800 | Method and device for measuring the chain force in a bicycle | Gijsbertus C. F. Roovers | 2010-10-19 |
| 5951421 | Continuously variable transmission including optimizing electric motor | — | 1999-09-14 |
| 5885186 | Continuously variable transmission | Wilhelmus Johannes Maria Van Wijk, Wilhelmus Cornelus Waltherus Maria Roovers, Chi Chung Choi, Emery F. M. Hendriks | 1999-03-23 |
| 5545105 | Method for influencing the driving behaviour of a vehicle with a continuously variable transmission | Wilhelmus Cornelus Waltherus Maria Roovers, Chi Chung Choi | 1996-08-13 |
| 5545100 | Continuously variable transmission | Gijsbertus C. F. Roovers | 1996-08-13 |
| 5431602 | Electronically controlled continuously variable transmission | Emery F. M. Hendriks, Wilhelmus Cornelus Waltherus Maria Roovers | 1995-07-11 |
| 5337628 | Electronically controlled continuously variable transmission | Emery F. M. Hendriks, Wilhelmus W. C. M. Roovers | 1994-08-16 |
| 5013283 | Adjustable pulley with improved support structure | — | 1991-05-07 |