Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9498781 | Method for manufacturing large mill cylinders | Andreas Echelmeyer, Norbert Patzelt, Herbert Pingel | 2016-11-22 |
| 8728569 | Method for reconditioning the worn surface of grinding rollers of a high-compression roller mill | Herbert Pingel | 2014-05-20 |