Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6889712 | Device for fixing a cable in a pipe | Klaus Nothofer, Hans-Detlef Leppert | 2005-05-10 |
| 6796743 | Internal line for fastening cables in a waste-water pipe | Klaus Nothofer, Hans-Detlef Leppert | 2004-09-28 |
| 6588982 | Method of laying a cable or pipe | Klaus Nothofer, Hans-Detlef Leppert, Hans-Jurgen Lysson | 2003-07-08 |
| 6181861 | Arrangement for branching a telecommunications cable containing several stranded elements with optical fibers | Wolfgang Wenski, Franz Grajewski, Werner Stieb, Hans-Holger Freckmann, Zbigniew Wielgolaski | 2001-01-30 |
| 4190498 | System to acquire and monitor operating machinery positions for horizontal coke oven batteries | Dieter Bierbaum | 1980-02-26 |