Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7996977 | Eyelet and method of forming the same | — | 2011-08-16 |
| 7818940 | Sealing element | — | 2010-10-26 |
| 7543788 | Mounting fastening | — | 2009-06-09 |
| 7217058 | Connection device for connecting mounting rails | — | 2007-05-15 |
| 7137753 | Attachment element | — | 2006-11-21 |
| 7101131 | Attachment system | — | 2006-09-05 |
| 7073995 | Attachment system | — | 2006-07-11 |
| 7044701 | Fastening system | — | 2006-05-16 |
| 6994499 | Device for fastening tubular objects | Armin Hoffmann, Stefan Unverzagt | 2006-02-07 |
| 6942440 | Quick-mountable nut | Stefan Unverzagt, Armin Hoffmann | 2005-09-13 |
| 6929227 | System for connecting mounting rails | Armin Hofmann, Stefan Unverzagt | 2005-08-16 |
| 6854944 | Quick mounting nut | Armin Hoffmann, Ulrich Birnbaum, Stefan Unverzagt | 2005-02-15 |
| 6807791 | Double-rail profile | — | 2004-10-26 |
| 6726117 | Rail fastener | Armin Hoffmann | 2004-04-27 |
| 6660938 | Shaped mounting rail | Armin Hoffman, Stefan Unverzagt | 2003-12-09 |
| 6632058 | Quick mounting nut | Armin Hoffmann, Ulrich Birnbaum, Stefan Unverzagt | 2003-10-14 |
| 6575680 | Fastening devices | Armin Hoffman, Stefan Unverzagt | 2003-06-10 |
| 6461091 | Connection element | Fritz Hermann, Ulrich Birnbaum, Marcus Fohrer, Gordillo Antonio Lopez | 2002-10-08 |
| 5651650 | Attachment assembly with anchor bolt and expansion wedge | Hubert Forster | 1997-07-29 |
| 5294227 | Self-tapping screw | Hubert Forster | 1994-03-15 |
| 4893973 | Expansion dowel with axially extending projections | — | 1990-01-16 |
| 4886406 | Anchor bolt and expansion wedge | — | 1989-12-12 |
| 4806053 | Expansion dowel with two different expansion members | — | 1989-02-21 |
| 4773803 | Expansion dowel assembly with extension on expansion member | Robert Huegel | 1988-09-27 |
| 4692076 | Expansion dowel with anchored state indicator | — | 1987-09-08 |