Robert E. Herchick
5Patents
3h-index
10Co-inventors
50Inventor score
Filing activity: Jul 20, 1999 → May 6, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6305515A | Hydraulically actuated power takeoff clutch assembly | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US6557687B1 | Clutch assembly and diagnostic system | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US8066619B2 | Clutch control system | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US8418786B2 | Selectively powered ambulatory stretcher chair | Human Necessities | 2 | Active |
| US6874610B2 | Compact dry power takeoff unit | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.