Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5707181 | Method of producing an intended breaking point in a tension member for a soil anchor | Hans Peter Von Allmen, Erich Richartz | 1998-01-13 |
| 5603589 | Method for manufacturing an anchor element for a soil anchor for a rock anchor, rock bolt or the like, from a strand of twisted steel wire | Hans Peter Von Allmen, Engelbert Gott, Otmar Langwadt | 1997-02-18 |
| 5472296 | Corrosion protected support element for a soil anchor or a rock anchor, a pressure pile or the like | Hans Peter Von Allmen, Thomas Herbst | 1995-12-05 |
| 5056284 | Bundled tensioning member for prestressing a tall structural member and method of installing same | Franz Ruckdeschel, Dieter Jungwirth, Gero Herrmann | 1991-10-15 |