John H. Walgren
4Patents
3h-index
4Co-inventors
39Inventor score
Filing activity: Jun 24, 1997 → Feb 22, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6832443B1 | Cutting chain | Fixed Constructions | 14 | Expired |
| US6154987A | Cutting tooth for a trencher chain | Fixed Constructions | 9 | Expired |
| US6014826A | Chain for trencher apparatus | Fixed Constructions | 7 | Expired |
| US6684538B2 | Cutting tooth for a trencher chain | Fixed Constructions | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.