Holger Steffen
2Patents
1h-index
9Co-inventors
30Inventor score
Filing activity: Mar 27, 2000 → Jul 10, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6216652A | Method for operating actuators for electromagnetically controlling a valve | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US6772719B2 | Hydraulic valve lifter with operating control system | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.