Derek Crutchley
5Patents
3h-index
3Co-inventors
46Inventor score
Filing activity: Mar 19, 2001 → Mar 10, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7237424B2 | Split die for forming grooved workpiece | Performing Operations; Transporting | 10 | Expired |
| US6447227B1 | Threaded fastener | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7503106B2 | Method of fastening | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8444356B2 | Blind stud insert | Emerging Cross-Sectional Technologies | 3 | Active |
| US9234538B2 | Fastener | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.