Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7677610 | Connection and joint piece for well tubes | Sabine Fauland | 2010-03-16 |
| 6464263 | Connector for a corrugated pipe with locking portion | Roger Huppi | 2002-10-15 |
| 6349980 | Joining/connector piece for corrugated pipes | Ralf Kleeb | 2002-02-26 |
| 6254145 | Joining and connecting element for corrugated pipes | Ralf Kleeb | 2001-07-03 |
| 6087600 | Keypad for input of control commands | Meinolph Kaufmann, Hugo Felder | 2000-07-11 |
| 5713763 | Connector for shielded conductors and cables | — | 1998-02-03 |
| 5407236 | Joining and attachment piece for corrugated tubes | Ulrich Fastenrath | 1995-04-18 |