David Whitehead
5Patents
2h-index
6Co-inventors
44Inventor score
Filing activity: Feb 17, 1983 → Mar 4, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4479463A | Engine sump | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4502452A | Valve | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US11065798B2 | Apparatus and method for injecting a fluid formulation into a melted polymeric material | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11618972B2 | Method of and apparatus for injecting a liquid formulation into a molten polymer | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12311586B2 | Apparatus and method for dosing a fluid formulation into a polymeric material | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.