John McCallum
3Patents
2h-index
4Co-inventors
37Inventor score
Filing activity: Jun 24, 1997 → May 20, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD396616S | Combined garbage disposal wrench and installation tool | General | 8 | Expired |
| USD396393S | Plumber's wrench | General | 2 | Expired |
| US8795401B2 | Filter with cyclone separation means | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.