Gerrit J. Groothuis
6Patents
4h-index
9Co-inventors
42Inventor score
Filing activity: Apr 2, 1975 → Dec 27, 1982
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4510687A | Shaving apparatus | Performing Operations; Transporting | 12 | Expired |
| US4275497A | Shaving apparatus | Performing Operations; Transporting | 10 | Expired |
| US4259781A | Shaving apparatus | Performing Operations; Transporting | 9 | Expired |
| US4003131A | Dry-shaving apparatus with reciprocatable cutting block | Performing Operations; Transporting | 4 | Expired |
| US4170822A | Dry shaving apparatus | Performing Operations; Transporting | 4 | Expired |
| US4424628A | Shaving apparatus | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.