Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9687897 | Apparatus and method for impressing a corrugation into a pipe | Thomas Krause, Anatoli Schmidt, Adrian Harms | 2017-06-27 |
| 8631672 | Apparatus for continuous corrugation of a metallic tube | Wilhelm Unger, Claus-Friedrich Theune | 2014-01-21 |