David D. Dirks
7Patents
5h-index
13Co-inventors
52Inventor score
Filing activity: Jun 25, 1997 → Apr 25, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6033188A | Means and method for varying margin pressure as a function of pump displacement in a pump with load sensing control | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6260468A | Single-piece proportional control | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6485387B1 | Apparatus and method for determining the output speed of a hydrostatic unit in a hydro-mechanical transmission | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6257119A | Ball joint for servo piston actuation in a bent axis hydraulic unit | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5784949A | Retaining system for slipper holddown pins | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6688858B1 | Pump housing mounting flange with tangentially positioned mounting slots | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6802244B1 | Hydrostatic cylinder block and method of making the same | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.