Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4706451 | Chain lock for round link chain strands particularly for use in mining | Theo Kuhnigk | 1987-11-17 |
| 4383603 | Scraper for chains in chain conveyors, particularly for use underground | Gerhard Niemoller, Friedhelm Schneider | 1983-05-17 |
| 4312443 | Scraper for chains in chain conveyors, particularly for use underground | Gerhard Niemoller, Friedhelm Schneider | 1982-01-26 |