John P. Hardwick
5Patents
4h-index
6Co-inventors
50Inventor score
Filing activity: Mar 5, 1980 → Nov 15, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4334650A | Shredding machines | Performing Operations; Transporting | 17 | Expired |
| US4351485A | Shredding machines | Performing Operations; Transporting | 16 | Expired |
| US4349159A | Shredding machines | Performing Operations; Transporting | 9 | Expired |
| US5737141A | Retrieving data recorded at different bit densities | Physics | 8 | Expired |
| US7831869B2 | DDS logical data grouping | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.