Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4895413 | Cutter roller with spraying nozzle | Gerd Best | 1990-01-23 |
| 4498707 | Cutting roller | Gerd Best | 1985-02-12 |
| 4491370 | Rotary cutting roller | Gerd Best | 1985-01-01 |
| 4451092 | Cutting roller | Gerd Best | 1984-05-29 |
| 4436346 | Cutting roller for a mining machine | Gerd Best | 1984-03-13 |
| 4411475 | Cutting drum | Gerd Best | 1983-10-25 |
| 4249779 | Rotating cutting drum having tapered and curved conveying surface | Gerd Best | 1981-02-10 |
| 4219239 | Mining auger | Hans Tekathen, Heinrich Schulte | 1980-08-26 |