Robert E. Dummer
4Patents
4h-index
1Co-inventors
44Inventor score
Filing activity: Aug 29, 1977 → May 22, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4382360A | Unloading arrangement for hydraulic swing circuit or the like | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5927408A | Head brake release with memory and method of controlling a drill head | Fixed Constructions | 12 | Expired |
| US4304337A | Marine crane lifting control | Performing Operations; Transporting | 11 | Expired |
| US4109733A | Tilt preventing system for drills | Fixed Constructions | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.