Inventor
David W. Graber
Inventor
Millington, MI, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B62Dprimary
B62DMotor vehicles52%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for10%
H01FMagnets10%
H02KDynamo-electric machines10%
G02BOptical elements, systems or apparatus5%
H02HEmergency protective circuit arrangements5%
H02JElectric power networks5%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems5%
PatentTitleYear
6,922,620'Actuator synchronization and locking concept for steer by wire applications'20056,624,531'Controller input voltage regulation by actuator power modulation'20036,588,540'Steer-by-wire redundant handwheel control'20036,460,649'Passive starting of a torque-ripple-free electric power steering system'20025,491,632'Rotary encoder with neutral position'19965,184,297'Method of calibrating power steering for uniform vehicle-to-vehicle steering effort'19935,119,898'Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system'19925,086,862'Apparatus for stabilizing power steering for temperature effects'19925,070,956'Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system'19915,038,066'Claw pole rotary actuator with limited angular movement'19915,038,063'Rotary actuator with limited angular movement'19914,886,137'Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system'19894,886,138'Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system'19894,871,040'Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system'19894,721,894'Temperature monitor system for an intermittent duty wound field motor'19884,711,516'Optical slip ring'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1996Patents assigned to GEN MOTORS CORP (12)· patent assignee history
1987–2005Based in Millington, MI, US· patent location history
1996Patents assigned to DELCO ELECTRONICS CORP (1)· patent assignee history
2002–2005Patents assigned to DELPHI TECH INC (4)· patent assignee history
2002Based in Troy, MI, US· patent location history
2003Patents assigned to BMW GROUP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN MOTORS CORP | 12 | 1987–1996 |
| DELPHI TECH INC | 4 | 2002–2005 |
| BMW GROUP | 1 | 2003 |
| DELCO ELECTRONICS CORP | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Millington, MI, US | 15 | 1987–2005 |
| Troy, MI, US | 1 | 2002 |