David G. Bird
29Patents
14h-index
11Co-inventors
78Inventor score
Filing activity: Jan 24, 1983 → Aug 26, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5418537A | Location of missing vehicles | Physics | 477 | Expired |
| US4513235A | Control apparatus | Physics | 336 | Expired |
| US5777580A | Vehicle location system | Physics | 248 | Expired |
| US6675095B1 | On-board apparatus for avoiding restricted air space in non-overriding mode | Physics | 94 | Expired |
| US5678182A | Self-locating radio system that automatically configures to the radio regulations for the location | Electricity | 52 | Expired |
| US7292183B2 | GPS reference system providing synthetic reference phases for controlling accuracy of high integrity positions | Physics | 40 | Expired |
| US7020555B1 | Subscription GPS information service system | Physics | 34 | Expired |
| US6483856B1 | GPS synchronized data communications link | Electricity | 33 | Expired |
| US6879283B1 | Method and system for transmission of real-time kinematic satellite positioning system data | Electricity | 31 | Expired |
| US6728268B1 | Method and system to connect internet protocol hosts via an application specific bus | Electricity | 29 | Expired |
| US7079075B1 | GPS rover station for synthesizing synthetic reference phases for controlling accuracy of high integrity positions | Physics | 24 | Expired |
| US6366857B1 | Noise estimator for seismic exploration | Physics | 22 | Expired |
| US7580794B2 | Remote subscription unit for GNSS information | Electricity | 17 | Active |
| US7158885B1 | Remote subscription unit for GPS information | Electricity | 16 | Expired |
| US7089113B1 | Subscription system for GPS information | Physics | 13 | Expired |
| US7227496B2 | GPS rover station having position dithering for controlling accuracy of secure positions | Physics | 8 | Expired |
| US5426435A | Open loop proximity detector | Physics | 7 | Expired |
| US7202813B2 | GPS reference system providing a synthetic offset vector for dithering a rover station position | Physics | 7 | Expired |
| US7468693B1 | GPS rover station providing a high integrity position with a selected error | Physics | 6 | Active |
| US6519245B1 | Communication system having dedicated time slots for selection signals | Physics | 6 | Expired |
| US7336225B1 | Synthetic phase processor for controlling accuracy of high integrity GPS positions | Physics | 6 | Expired |
| US7668562B1 | Method and apparatus for GPS geofencing of mobile transmissions | Electricity | 5 | Active |
| US8199049B2 | GNSS post positioning with selected precision | Physics | 5 | Active |
| US6665619B2 | Noise estimator for seismic exploration | Physics | 3 | Expired |
| US10031233B2 | GNSS reference for subscribed precisions | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.