Siegfried Frank
4Patents
3h-index
9Co-inventors
43Inventor score
Filing activity: Jul 15, 1976 → Jun 15, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4970993A | Portable handheld motor tool having a one-piece fan housing | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4468154A | Method of disposal or temporary storage of waste material | Performing Operations; Transporting | 5 | Expired |
| US5564192A | Guide bar for a saw chain of a motor-driven chain saw | Performing Operations; Transporting | 5 | Expired |
| US4088047A | Method of producing cutting teeth for a chain saw | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.