Rolf Pfeiffer
5Patents
4h-index
3Co-inventors
50Inventor score
Filing activity: Feb 16, 1973 → Oct 19, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4004556A | Rotary internal combustion engine of axially sliding vane type | Emerging Cross-Sectional Technologies | 19 | Expired |
| US9901974B2 | Method for direct screwing of structural components, in particular for flow hole screwing and device for direct screwing of structural components | Emerging Cross-Sectional Technologies | 4 | Active |
| US10010928B2 | Device for connecting structural components, in particularly by means of direct screwing, especially flow hole screwing, or by means of friction welding, and method for connecting structural components, in particular by means of direct screwing or friction welding | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US6406280B1 | Drive motor for surgical apparatus | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US11105217B2 | Turbine generator and method of operating a turbine generator | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.