Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7282826 | Driving device for sprocket wheels of chain drives | Werner Langenberg, Gerhard Merten | 2007-10-16 |
| 5055092 | Driving systems for driving endless chains or the like in mining apparatus | Werner Langenberg | 1991-10-08 |
| 5033315 | Apparatus for determining the tension in a chain or the like | Gerhard Merten, Wilfried Mertens | 1991-07-23 |
| 4682678 | Gearing units for use with mining equipment | Willy Kussel | 1987-07-28 |
| 4667790 | Gearing units | — | 1987-05-26 |
| 4614134 | Overload protection system for planetary gear drive | — | 1986-09-30 |
| 4601218 | Gearing units for use with mining apparatus | — | 1986-07-22 |