Inventor · Dunlap, IL, US

Darrell E. Stafford

16Patents
15h-index
26Co-inventors
74Inventor score

Filing activity: Jan 17, 1977 → Dec 13, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US5610815A Integrated vehicle positioning and navigation system, apparatus and method Physics 411 Expired
US5615116A Apparatus and method for autonomous vehicle navigation using path data Physics 378 Expired
US5390125A Vehicle position determination system and method Physics 348 Expired
US5838562A System and a method for enabling a vehicle to track a preset path Physics 238 Expired
US5375059A Vehicle position determination system and method Physics 223 Expired
US5956250A Apparatus and method for autonomous vehicle navigation using absolute data Physics 217 Expired
US5555503A System and method for providing accurate vehicle positioning using spatial bias techniques Physics 189 Expired
US5742915A Position referenced data for monitoring and controlling Physics 151 Expired
US5438517A Vehicle position determination system and method Physics 144 Expired
US5646845A System and method for controlling an autonomously navigated vehicle Physics 122 Expired
US5548516A Multi-tasked navigation system and method for an autonomous land based vehicle Physics 109 Expired
US5640323A System and method for operating an autonomous navigation system Physics 93 Expired
US5648901A System and method for generating paths in an autonomous vehicle Physics 80 Expired
US5629855A System and method for using parabolic models to improve position estimates from a global positioning system Physics 77 Expired
US5646843A Apparatus and method for surface based vehicle control system Physics 60 Expired
US4143629A Speed controlled hydraulic lifter for internal combustion engines Mechanical Engineering; Lighting; Heating 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.