Gerhard Rumpp
20Patents
14h-index
14Co-inventors
78Inventor score
Filing activity: Aug 28, 1975 → Nov 12, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4664394A | Dust guard cap for a hand-held drilling device | Emerging Cross-Sectional Technologies | 65 | Expired |
| US6302617A | Coupling device for a vehicle | Emerging Cross-Sectional Technologies | 61 | Expired |
| US4691929A | Drill bit chuck for drilling and cutting devices | Emerging Cross-Sectional Technologies | 56 | Expired |
| US4491444A | Tool holder device | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4434859A | Hammer drill for performing rotary drilling or percussive drilling | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4381579A | Handle for a hand-held device | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4006787A | Drilling tool with drill and receiving element | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5076371A | Tool for use in a hand power device | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4035100A | Drilling tool with a drilling member and a tool holder input unit | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4655651A | Drill bit for hand-held drilling machines | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4549616A | Rock drill | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5265688A | Rock drill | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4122753A | Expansion anchor assembly including an interconnecting device | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4898250A | Hand-held tool with switching means for variable operation | Performing Operations; Transporting | 14 | Expired |
| US4112813A | Expansion anchor assembly including a yielding member | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4652187A | Clamping chuck for holding drilling and/or cutting tools | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4657294A | Front guard bar for motor vehicles | Performing Operations; Transporting | 5 | Expired |
| US4453032A | Elastic electrical insulating material cover for the cable in the handle of a manually operated electrical appliance | Electricity | 2 | Expired |
| US4044845A | Drilling tool with a two part input unit | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4458769A | Rock drill | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.