Ralph Valkenberg
5Patents
2h-index
3Co-inventors
33Inventor score
Filing activity: Sep 4, 2014 → Apr 6, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9534519B2 | Variable displacement vane pump with integrated fail safe function | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US10030656B2 | Variable displacement vane pump with integrated fail safe function | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10247187B2 | Variable displacement vane pump with thermo-compensation | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9771935B2 | Variable displacement vane pump with thermo-compensation | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10871161B2 | Epitrochoidal vacuum pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.