Inventor · disambiguated record
Darrell E. Stafford
Also filed as: STAFFORD DARRELL E
16 granted patents·3,968 citations·filing 1977–1995
97Inventor score
Top patents by PatentIndex Score
16 records- 0198US5956250AApparatus and method for autonomous vehicle navigation using absolute dataCATERPILLAR INC·Filed 1995·Granted Sep 21, 1999·309 cites·4 claims
- 0298US5615116AApparatus and method for autonomous vehicle navigation using path dataCATERPILLAR INC·Filed 1995·Granted Mar 25, 1997·532 cites·14 claims
- 0398US5610815AIntegrated vehicle positioning and navigation system, apparatus and methodCATERPILLAR INC·Filed 1989·Granted Mar 11, 1997·575 cites·12 claims
- 0498US5555503ASystem and method for providing accurate vehicle positioning using spatial bias techniquesCATERPILLAR INC·Filed 1993·Granted Sep 10, 1996·243 cites·17 claims
- 0598US5390125AVehicle position determination system and methodCATERPILLAR INC·Filed 1993·Granted Feb 14, 1995·473 cites·2 claims
- 0698US5375059AVehicle position determination system and methodCATERPILLAR INC·Filed 1993·Granted Dec 20, 1994·333 cites·2 claims
- 0797US5838562ASystem and a method for enabling a vehicle to track a preset pathCATERPILLAR INC·Filed 1995·Granted Nov 17, 1998·283 cites·10 claims
- 0895US5646845ASystem and method for controlling an autonomously navigated vehicleCATERPILLAR INC·Filed 1995·Granted Jul 8, 1997·179 cites·11 claims
- 0995US5438517AVehicle position determination system and methodCATERPILLAR INC·Filed 1993·Granted Aug 1, 1995·207 cites·3 claims
- 1093US5640323ASystem and method for operating an autonomous navigation systemCATERPILLAR INC·Filed 1995·Granted Jun 17, 1997·125 cites·4 claims
- 1192US5648901ASystem and method for generating paths in an autonomous vehicleCATERPILLAR INC·Filed 1995·Granted Jul 15, 1997·124 cites·18 claims
- 1291US5629855ASystem and method for using parabolic models to improve position estimates from a global positioning systemCATERPILLAR INC·Filed 1995·Granted May 13, 1997·114 cites·4 claims
- 1389US5646843AApparatus and method for surface based vehicle control systemCATERPILLAR INC·Filed 1995·Granted Jul 8, 1997·92 cites·2 claims
- 1488US5548516AMulti-tasked navigation system and method for an autonomous land based vehicleCATERPILLAR INC·Filed 1995·Granted Aug 20, 1996·164 cites·2 claims
- 1583US5742915APosition referenced data for monitoring and controllingCATERPILLAR INC·Filed 1995·Granted Apr 21, 1998·213 cites·24 claims
- 1631US4143629ASpeed controlled hydraulic lifter for internal combustion enginesCATERPILLAR TRACTOR CO·Filed 1977·Granted Mar 13, 1979·2 cites·3 claims
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