David B. Gray
4Patents
3h-index
8Co-inventors
47Inventor score
Filing activity: Jul 22, 1983 → Jun 5, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4925184A | Bed-mountable leg exercise device | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4722541A | Splash and spray suppressor for vehicles | Performing Operations; Transporting | 9 | Expired |
| US8235077B2 | Device for refilling a fuel cartridge for a fuel cell | Emerging Cross-Sectional Technologies | 4 | Active |
| US9677024B2 | Fuel efficient lubricating oils | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.