David Powell
11Patents
5h-index
12Co-inventors
63Inventor score
Filing activity: Aug 19, 1985 → Aug 7, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5344159A | Multiple panel closure for open top of bed of pickup truck | Performing Operations; Transporting | 25 | Expired |
| US7036983B2 | Thermocouple for use in gasification process | Physics | 22 | Expired |
| US5883299A | System for monitoring diaphragm pump failure | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6243928A | Cable and pipe clip | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4627507A | Mounting for double-ended shear beam load cells | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8568316B2 | Tracheal tube sensor disposed on permeable membrane | Human Necessities | 4 | Active |
| US8407872B2 | Rail fence retractor | Emerging Cross-Sectional Technologies | 4 | Active |
| US9044557B2 | Tracheal tube sensor disposed on permeable membrane | Human Necessities | 3 | Active |
| US6247352A | System for monitoring diaphragm pump failure | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US7813024B2 | EC mirror assembly | Performing Operations; Transporting | 0 | Active |
| US9938748B1 | Rail fence retractor | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.