Kai-Michael Graichen
9Patents
5h-index
15Co-inventors
60Inventor score
Filing activity: Oct 22, 1988 → Jan 30, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5224410A | Power booster with vacuum supply passage in position sensor housing | Performing Operations; Transporting | 13 | Expired |
| US6050174A | Vacuum servo brake for motor vehicles | Performing Operations; Transporting | 12 | Expired |
| US5518305A | Vacuum brake power booster | Performing Operations; Transporting | 9 | Expired |
| US5297471A | Housing for a pneumatic power booster and process for its manufacture | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4970940A | Vacuum brake booster for automotive vehicles | Performing Operations; Transporting | 7 | Expired |
| US9969373B2 | Master brake cylinder for a hydraulic motor vehicle brake system | Performing Operations; Transporting | 4 | Active |
| US5452644A | Vacuum brake power booster | Performing Operations; Transporting | 4 | Expired |
| US5680807A | Vacuum brake booster for motor vehicles | Performing Operations; Transporting | 3 | Expired |
| US5540053A | Actuating unit for a hydraulic brake system for automotive vehicles | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.