Helmut Derp
1Patents
1h-index
2Co-inventors
22Inventor score
Filing activity: Mar 19, 1986 → Mar 19, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5058655A | Method and apparatus for manufacturing of a thick-walled hollow casting of cast iron | Performing Operations; Transporting | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.