Willi Hartmann
7Patents
5h-index
9Co-inventors
56Inventor score
Filing activity: Jun 7, 1979 → Oct 20, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5499570A | Piston with piston rod being latchable through a retaining member | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5161376A | Valve adjustment arrangement and process for a tandem piston master cylinder | Performing Operations; Transporting | 12 | Expired |
| US4314491A | Portable special lathe for flanges of large dimensions | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4816950A | Magnetic structure for suppressing magnetic cross talk among rotary transducers on a common rotary disc | Physics | 9 | Expired |
| US4709551A | Pressure cylinder and method of adjusting idle travel | Performing Operations; Transporting | 7 | Expired |
| US4833749A | Heel support device for supporting a last without movement thereof | Human Necessities | 2 | Expired |
| US6302496A | Load-dependent brake-power regulator | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.