Ortwin Engfer
7Patents
5h-index
14Co-inventors
60Inventor score
Filing activity: Mar 28, 1975 → Jul 28, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4802648A | Adjustable engine mount | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US6186602A | Hydraulic vehicle braking system | Performing Operations; Transporting | 16 | Expired |
| US5711151A | Brake-pressure modulation device | Performing Operations; Transporting | 10 | Expired |
| US4972819A | Servocylinder unit | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US3973804A | Apparatus for load-dependent control of vehicle | Physics | 5 | Expired |
| US6347845B1 | Brake system for vehicles | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5267782A | Hydraulic brake system, in particular for motor vehicles | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.