Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7396091 | Caterpillar band chain for tracked vehicles | Alexandra Welp, Kurt Schlupp | 2008-07-08 |
| 6217135 | Crawler track link member | Ekkehard Oertgen | 2001-04-17 |
| 5944395 | Connector endless track with travelling pad | Bernd-Dieter Neubert, Kurt Schlupp | 1999-08-31 |
| 5749634 | Elastic mounting for track pivot pins in endless hinged vehicular crawler drive tracks | Hagen-Heinz Wiesner | 1998-05-12 |
| 5632538 | Drive system for a caterpillar track | Hagen-Heinz Wiesner, Bernd-Dieter Neubert | 1997-05-27 |
| 5257691 | Arrangement for transferring castable material without pipes from a feeding means to a destination | — | 1993-11-02 |
| 5193883 | Process for controlling longwall shearing and heading machines along a cutting horizon between coal and rock | — | 1993-03-16 |
| 5058963 | Belt-type caterpillar for track-laying vehicles and snowmobiles | Hagen-Heinz Wiesner, Ekkehard Oertgen | 1991-10-22 |
| 4998783 | Track roller or guide roller for track-laying vehicles | Gunter Erlenmaier | 1991-03-12 |
| 4905777 | Device for producing drilling holes from an angled position with respect to the drilling axis | — | 1990-03-06 |
| 4813750 | Track chain constructed pursuant to the linkage principle for track-laying vehicles | Gunter Erlenmaier | 1989-03-21 |
| 4798501 | Flexible rock anchor | — | 1989-01-17 |
| 4735465 | Arrangement for the connection of the track links of endless crawler track vehicles | Hagen-Heinz Wiesner, Gunter Erlenmaier | 1988-04-05 |
| 4625815 | Drilling equipment, especially for use in underground mining | — | 1986-12-02 |
| 4583792 | Assembling aid on crawler track chains | Gunter Erlenmaier | 1986-04-22 |
| 4427463 | Method of and device for controlling and cooling of a continuous rolled member, e.g. a wire | — | 1984-01-24 |
| 4378132 | Mining method and apparatus | Harry J. Fitzgerald | 1983-03-29 |
| 4255071 | Supporting of excavation roofs | Manfred Koppers, Karlheinz Bohnes | 1981-03-10 |
| 4249837 | Method of and apparatus for supporting an overburden | — | 1981-02-10 |
| 4185940 | Method and system for supporting a roof | — | 1980-01-29 |