John Penner
5Patents
3h-index
5Co-inventors
50Inventor score
Filing activity: Apr 17, 1980 → Apr 10, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7568297B2 | Grain drying aeration system | Mechanical Engineering; Lighting; Heating | 28 | Active |
| US4307632A | Ratchet wrench of the socket drive type with socket ejector | Performing Operations; Transporting | 13 | Expired |
| US4344339A | Adjustable wrench | Performing Operations; Transporting | 9 | Expired |
| US5996276A | Aerodynamic transport body for distribution of biological agents | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| USD316018S | Bending tool for squaring corners of wire frames | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.