Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349232 | Trench hewing tool assembly with cutter guard attachment | Ernst Braun, Karlheinz Wetzchewald | 1982-09-14 |
| 4340185 | Roll crusher for crushing lumpy material | Ernst Braun | 1982-07-20 |
| 4326674 | Device for the homogenization of material to be crushed | Ernst Braun | 1982-04-27 |
| 4323282 | Conveying trough with mining machine cutter guide surfaces | Ernst Braun | 1982-04-06 |
| 4319783 | Conveying trough connector and mining machine guide rail bridge | Ernst Braun | 1982-03-16 |