Hartmut Hirt
5Patents
4h-index
3Co-inventors
46Inventor score
Filing activity: Jul 20, 1990 → Apr 27, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5368420A | Rotating drill head with a boring bar which is pivotable by a slight distance vertically to the axis of rotation by fluidic means | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5116171A | Pressure controlled cutter bit retainer with precision adjustable cutter bit | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5033918A | Device for fine adjustment of the turning tool bit of a rotating radial adjustment head | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5713703A | Pressure controlled cutter bit retainer with precision adjustable cutter bit | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6579046B2 | Tool head | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.