Hanspeter FREHNER
4Patents
0h-index
4Co-inventors
27Inventor score
Filing activity: Oct 31, 2013 → Mar 30, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US12241556B2 | Vacuum valve for providing a symmetrical fluid flow | Electricity | 0 | Active |
| US9038985B2 | Vacuum valve | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11906066B2 | Seal support ring for a valve | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12422056B2 | Valve, in particular a vacuum valve | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.