Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5123791 | Rock anchor | Wolfgang Rockenfeller | 1992-06-23 |
| 4930963 | Driven tubular wall-plug anchoring element for light and porous concrete | Uwe Rockenfeller | 1990-06-05 |
| 4906149 | Wall plug anchor assembly for mounting in a preformed hole | Wolfgang Rockenfeller | 1990-03-06 |
| 4727693 | Apparatus for anchoring a traction member in the ground | Wolfgang Rockenfeller | 1988-03-01 |
| 4727694 | Apparatus for anchoring a traction member in the ground | Wolfgang Rockenfeller | 1988-03-01 |
| 4718802 | Sawtooth-profile nail | Wolfgang Rockenfeller | 1988-01-12 |
| 4706345 | Clamping device for a traction member, particularly for a rope, cable belt, cord or the like | Wolfgang Rockenfeller, Friedheim Kunze | 1987-11-17 |
| 4572720 | Wood screw | Wolfgang Rockenfeller | 1986-02-25 |