Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4705160 | Scraper-chain conveyors for mineral mining | Dieter Grundken, Manfred Redder | 1987-11-10 |
| 4667811 | Channel sections of scraper-chain conveyors | Gunther-Dietmar Schoop, Franz Roling, Dieter Grundken, Manfred Redder, Helmut Temme | 1987-05-26 |
| 4632239 | Scraper-chain conveyor channel section | Gunther-Dietmar Schoop, Franz Roling, Dieter Grundken, Manfred Redder, Michael Sauer | 1986-12-30 |
| 4624362 | Channel sections for scraper-chain conveyors | Helmut Temme, Gunther-Dietmar Schoop | 1986-11-25 |