Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9879734 | Torque coupling | Horst Stroissnigg, Erwin Manschitz, Manfred Ludwig, Manfred Schallert, Franz Moessnang +1 more | 2018-01-30 |
| 6579049 | Expansion anchor | — | 2003-06-17 |
| 6505692 | Drill for forming undercuts in bores | Stefan Raber | 2003-01-14 |
| 6427304 | Device for removing formlockingly anchored dowels | Stefan Raber, Hans-Jurgen Negele | 2002-08-06 |
| 6238128 | Dowel | Stefan Raber, Hans-Jurgen Negele, Alois Kolbl, Ulrich Genschmer | 2001-05-29 |
| 6132152 | Undercut-engaging dowel | Stefan Raber, Hans-Jurgen Negele | 2000-10-17 |
| 6125519 | Setting tool | Stefan Raber | 2000-10-03 |
| 6074145 | Undercut self-cutting spreading anchor | Stefan Raber | 2000-06-13 |
| 6012887 | Undercut self-cutting anchor | Stefan Raber | 2000-01-11 |
| 5941668 | Spreading anchor | Stefan Raber | 1999-08-24 |
| 5921733 | Self-cutting undercutting dowel | Hanspeter Schad, Stefan Raber, Thomas Doppelbauer | 1999-07-13 |
| 5806609 | Manually operable tool for drilling and/or removing material in brittle and/or low ductile material | Maximilian Stock, Reinhard Schulz, Hans-Werner Bongers-Ambrosius, Ralf Ludwig, Hanspeter Schad +1 more | 1998-09-15 |
| 5746557 | Expansion dowel | — | 1998-05-05 |
| 5689923 | Device for securing steel reinforcing or prestressing members in an anchorage | Antonius Winkeljann, Franz Bohm | 1997-11-25 |