Peter Heintzmann
11Patents
5h-index
12Co-inventors
59Inventor score
Filing activity: Apr 30, 1980 → Mar 23, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5647640A | Continuously operating mining machines with plow and conveyor chains and method of operating same | Fixed Constructions | 30 | Expired |
| US4332512A | Arrangement for erecting columnar supporting elements for underground excavations | Fixed Constructions | 15 | Expired |
| US4465404A | Wall element for an underground gallery | Fixed Constructions | 7 | Expired |
| US4576524A | Rock anchor arrangement | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5110187A | Apparatus for the mining of mineral matter, especially coal | Fixed Constructions | 5 | Expired |
| US6267211A | Drive unit for machinery, especially mining machinery | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4572480A | Hydraulic prop | Fixed Constructions | 3 | Expired |
| US4620748A | Method of and arrangement for loosening, loading and transporting of stratified minerals in underground elongated front longwalls | Fixed Constructions | 1 | Expired |
| US5895097A | Continuously operating mining machine for simultaneous excavation and conveying of coal | Fixed Constructions | 0 | Expired |
| US4586530A | Arrangement for supplying of consumers with pressure fluids | Emerging Cross-Sectional Technologies | 0 | Expired |
| US4630973A | Peripherally flexible prop arch for mining tracks, tunnels or the like | Fixed Constructions | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.