Firth Whitwam
11Patents
3h-index
11Co-inventors
49Inventor score
Filing activity: Jun 12, 2012 → Sep 11, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9327743B2 | Guideway mounted vehicle localization system | Performing Operations; Transporting | 26 | Active |
| US9002546B2 | Control of automatic guided vehicles without wayside interlocking | Performing Operations; Transporting | 9 | Active |
| US9387867B2 | Fusion sensor arrangement for guideway mounted vehicle and method of using the same | Performing Operations; Transporting | 4 | Active |
| US11465660B2 | Apparatuses, systems, methods, and software for train control and tracking using multi sensors, SSD/QR signs, and/or RF reflectors | Physics | 2 | Active |
| US9499185B2 | Wayside guideway vehicle detection and switch deadlocking system with a multimodal guideway vehicle sensor | Performing Operations; Transporting | 2 | Active |
| US9156482B2 | Locator loop control system and method of using the same | Performing Operations; Transporting | 1 | Active |
| US9828011B2 | Communication system for guideway mounted vehicle and method of using the same | Performing Operations; Transporting | 1 | Active |
| US8989985B2 | Vehicle-based positioning system and method of using the same | Performing Operations; Transporting | 1 | Active |
| US11603122B2 | Over-speed protection device | Performing Operations; Transporting | 0 | Active |
| US10220863B2 | Guideway mounted vehicle localization system | Performing Operations; Transporting | 0 | Active |
| US9950721B2 | Guideway mounted vehicle localization system | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.