Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4718542 | Fixing of attachments to the side walls of the pans of scraper-chain conveyors | Manfred Redder | 1988-01-12 |
| 4667811 | Channel sections of scraper-chain conveyors | Gunther-Dietmar Schoop, Franz Roling, Dieter Grundken, Manfred Redder, Hartmut Schewinski | 1987-05-26 |
| 4624362 | Channel sections for scraper-chain conveyors | Gunther-Dietmar Schoop, Hartmut Schewinski | 1986-11-25 |
| 4600097 | Scraper units for mine conveyor scraper-chain assemblies | Karl-Heinz Wrobbel | 1986-07-15 |
| 4505379 | Scrapers for scraper-chain conveyors | — | 1985-03-19 |
| 4437564 | Conveyor drive frame | Manfred Redder, Horst Linke, Dieter Grundken | 1984-03-20 |
| 4422542 | Scraper-chain conveyors | Erwin Beckmann | 1983-12-27 |
| 4364470 | Scraper-chain conveyor | — | 1982-12-21 |
| 4363398 | Scraper-chain conveyors | — | 1982-12-14 |
| 4359154 | Scraper-chain conveyors for mineral mining | — | 1982-11-16 |
| 4312442 | Scraper-chain conveyor | — | 1982-01-26 |
| 4282968 | Scraper-chain conveyor channel section | — | 1981-08-11 |
| 4265359 | Scraper assembly for a scraper chain conveyor | — | 1981-05-05 |