Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392102 | Construction machine, displacement tube and method for creating a filling material column in the ground | Bernhard Karmann, Heiko Voigt, Herbert Karl | 2025-08-19 |
| 6820449 | Apparatus for fabricating a hollow body | Thomas Werle | 2004-11-23 |
| 6418607 | Method and apparatus for fabricating a hollow body | Thomas Werle | 2002-07-16 |