Hans Haecker
4Patents
3h-index
13Co-inventors
47Inventor score
Filing activity: Nov 4, 1997 → Apr 25, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5971876A | Hydraulic emergency control for changing hydraulic oil pressure in the hydraulic conical pulley axial adjustment mechanism of a continuously variable transmission for varying the clamping force ratio | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5937729A | Hydraulic emergency control for transmission ratio-dependent variation of the hydraulic oil pressure in the hydraulic conical pulley axial adjustment mechanisms of a continuously variable transmission | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7059688B2 | Electropneumatic control valve comprising a guide arrangement for a control piston | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8191675B2 | Silencer | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.