Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7780557 | Efficient high torque continuously variable transmission | Arjen Brandsma | 2010-08-24 |
| 7431674 | Continuously variable transmission | Adrianus Johannes Wilhelmus Van Der Leest | 2008-10-07 |
| 7175554 | Hydraulically controllable constant speed drive and method for the design thereof | Hendrikus Adrianus Arnoldus Wilhelmina Pelders | 2007-02-13 |
| 6962542 | Continuously variable transmission and pulley | — | 2005-11-08 |
| 6835056 | Roller vane pump incorporating a bearing bush | Francis Maria Antonius Van Der Sluis | 2004-12-28 |
| 6652399 | Continuously variable transmission | Hendrikus Adrianus Arnoldus Wilhelmina Pelders | 2003-11-25 |
| 6464482 | Mechanically driven roller vane pump | Francis Maria Antonius Van Der Sluis | 2002-10-15 |
| 6447277 | Mechanically driven roller vane pump with channels between corresponding cam and carrier chambers | Francis Maria Antonius Van Der Sluis | 2002-09-10 |
| 6416303 | Mechanically driven roller vane pump with aperture end parts providing for gradual pressure changes in the pump chambers | Francis Maria Antonius Van Der Sluis | 2002-07-09 |
| 6413066 | Mechanically driven roller vane pump with aperture end parts providing for gradual pressure changes in the pump chambers | Francis Maria Antonius Van Der Sluis | 2002-07-02 |
| 6382924 | Mechanically driven roller vane pump with enlarged surface area of the apertures | Francis Maria Antonius Van Der Sluis | 2002-05-07 |
| 6375445 | Roller vane pump having a partly curved vane slot | Elias Van Wijk | 2002-04-23 |
| 6312243 | Roller vane pump having straight line segments on the rotor | Elias Van Wijk | 2001-11-06 |
| 6280357 | Continuously variable transmission | — | 2001-08-28 |
| 6152711 | Roller vane pump having a suction port through the cam ring | Elias Van Wijk | 2000-11-28 |
| 5941786 | Continuously variable transmission with at least two pumps connected in series/parallel | Elias Van Wijk | 1999-08-24 |
| 5833445 | Rotary pump having a compensating coupling | — | 1998-11-10 |
| 5800299 | Continuously variable transmission | Gerardus Johannes Maria Lamers, Franciscus Willems | 1998-09-01 |