Inventor
David S. Rule
Inventor
Waterford, MI, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B62Dprimary
B62DMotor vehicles33%
F16FSprings22%
B60DVehicle connections11%
B60TVehicle brake control systems or parts thereof11%
B60WConjoint control of vehicle sub-units of different type or different function11%
F01PCooling of machines or engines in general11%
PatentTitleYear
7,640,089'Vehicle-trailer stability and handling performance improvement using rear-wheel steering control'20097,624,850'Damping device having controllable resistive force'20097,354,056'Trailer stability control apparatus'20087,296,543'Engine coolant pump drive system and apparatus for a vehicle'20076,865,468'Method and apparatus for vehicle stability enhancement system'20056,560,524'Integration of rear wheel steering with vehicle stability enhancement system'20036,292,094'Vehicle-trailer backing-up control system with vehicle rear wheel steering'20016,279,701'Magnetorheological fluid damper with multiple annular flow gaps'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2008Patents assigned to GEN MOTORS CORP (4)· patent assignee history
2001Patents assigned to DELPHI TECH INC (1)· patent assignee history
2001–2003Based in Orchard Lake, MI, US· patent location history
2005–2009Based in Waterford, MI, US· patent location history
2007–2009Patents assigned to GM GLOBAL TECH OPERATIONS INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN MOTORS CORP | 4 | 2001–2008 |
| GM GLOBAL TECH OPERATIONS INC | 3 | 2007–2009 |
| DELPHI TECH INC | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Waterford, MI, US | 5 | 2005–2009 |
| Orchard Lake, MI, US | 3 | 2001–2003 |