Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6267211 | Drive unit for machinery, especially mining machinery | Peter Heintzmann, Friedel Amling, Peter Kroninger, Bernd Holling | 2001-07-31 |
| 5895097 | Continuously operating mining machine for simultaneous excavation and conveying of coal | Peter Heintzmann, Friedel Amling | 1999-04-20 |
| 5647640 | Continuously operating mining machines with plow and conveyor chains and method of operating same | Peter Heintzmann | 1997-07-15 |
| 5624162 | Long-wall mining machine with a working chain | Peter Kroninger, Bernd Holling, Roland Becker | 1997-04-29 |
| 5219440 | System for cutting and conveying coal and the like | Gunter Upadeck | 1993-06-15 |
| 5181766 | System for cutting and conveying coal and the like | Peter Heintzmannn | 1993-01-26 |
| 4887935 | Method of controlling the movement of a longwall excavation front, especially the face or breast of a coal seam | Manfred Koppers, Lotar Sebastian | 1989-12-19 |
| 4843886 | Pressure measuring device | Manfred Koppers, Lothar Sebastian | 1989-07-04 |
| 4806017 | Apparatus for the contactless measurement of geometrical dimensions | Lothar Sebastian | 1989-02-21 |
| 4610424 | Shut-off valve | Manfred Koppers, Karlheinz Bohnes, Friedel Amling | 1986-09-09 |
| 4254995 | Process of and an arrangement for mining | Josef Schmitjans | 1981-03-10 |
| 4244521 | Arrangement for discharging liquid medium under high pressure | — | 1981-01-13 |
| 4185873 | Machine for mechanically advancing clean cut underground mining galleries of various profiles | Karlheinz Bohnes | 1980-01-29 |