Hellinga; Richard J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hellinga; Richard J..The latest application filed is for "vehicle with controlled door operation".
- Hellinga; Richard J. - Toronto CA
- Hellinga; Richard J. - Waterloo CA
- Hellinga; Richard J. - Kitchener CA
- Hellinga; Richard J. - Sagamihara JP
| Patent | Date |
|---|---|
| Vehicle with controlled door operation Grant 8,217,755 - Martin , et al. July 10, 2 | 2012-07-10 |
| Vehicle with controlled door operation App 20100073131 - Martin; Roger J. ; et al. | 2010-03-25 |
| Method for controlling the speed of closing of a movable element Grant 7,213,372 - Hellinga , et al. May 8, 2 | 2007-05-08 |
| Method for controlling the speed of closing of a movable element App 20050097822 - Hellinga, Richard J. ; et al. | 2005-05-12 |
| Method and apparatus for controlling the speed of closing of a movable element Grant 6,883,275 - Hellinga , et al. April 26, 2 | 2005-04-26 |
| Method and apparatus for controlling the speed of closing of a movable element App 20040016180 - Hellinga, Richard J. ; et al. | 2004-01-29 |
| Bus bar heat sink Grant 6,215,681 - Schuurman , et al. April 10, 2 | 2001-04-10 |
| Power electronic device mounting apparatus Grant 5,640,304 - Hellinga , et al. June 17, 1 | 1997-06-17 |
| Synchronous-rectification type control for direct current motors and method of making Grant 5,331,258 - Lankin , et al. July 19, 1 | 1994-07-19 |
| Displacement detecting apparatus Grant 5,299,143 - Hellinga , et al. March 29, 1 | 1994-03-29 |
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