David E. Hanson
8Patents
7h-index
12Co-inventors
60Inventor score
Filing activity: Oct 10, 1980 → Jun 1, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4991698A | Damping with damping mass inside wheel | Performing Operations; Transporting | 55 | Expired |
| US4519755A | Gerotor vacuum pump | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US7234442B2 | Controlled starting and braking of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Active |
| US7082899B2 | Controlled starting and braking of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US7252053B2 | Electromagnetic actuator and control | Electricity | 11 | Expired |
| US4366834A | Back-flow prevention valve | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7128032B2 | Electromagnetic actuator and control | Electricity | 8 | Expired |
| US6679806B2 | Soft shift system and method | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.