Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5810449 | Cutting drum for an open cast apparatus performing its winning action in both directions of travel | — | 1998-09-22 |
| 5730501 | Continuous track mounted, self propelled open cast mining apparatus | Mario Dielefeld | 1998-03-24 |
| 5632370 | Pivoting transfer means at belt conveyor | — | 1997-05-27 |
| 5501563 | Bulk material loading and unloading facility for sea-going ships | — | 1996-03-26 |
| 5320471 | Suspension and guide of a vertical conveyor in the discharge trunk of a ship unloader | — | 1994-06-14 |
| 5305868 | Cover belt conveyor | — | 1994-04-26 |
| 5238346 | Continuous-conveyance bulk-cargo ship unloader | — | 1993-08-24 |
| 5165757 | Method of strip mining | — | 1992-11-24 |
| 5152583 | Continuous-operation extraction machinery for strip mining with a cylindrical extractor | Peter Kurz | 1992-10-06 |
| 5092659 | Continuous track-mounted, self-propelled open-cast mining machine | — | 1992-03-03 |
| 5013201 | Traveling conveyor arrangement | Werner Hubel | 1991-05-07 |
| 4907932 | Continuous bulk material conveyer | — | 1990-03-13 |
| 4573743 | Bucketwheel excavator with oscillating nozzles | — | 1986-03-04 |