Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6322281 | Corrosion-protected tension member of steel | Dieter Jungwirth, Leo Werth, Werner Rempe, Volker Müller | 2001-11-27 |
| 5707181 | Method of producing an intended breaking point in a tension member for a soil anchor | Hans Peter Von Allmen, Reinhard Klockner | 1998-01-13 |
| 4953379 | Hot-rolled steel bar with helically extending ribs, method of and apparatus for producing the steel bar | — | 1990-09-04 |
| 4923528 | Method for manufacturing rolled steel products | Dieter Russwurm | 1990-05-08 |