Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7681435 | Arrangement for monitoring the leak-tightness of an evacuated space | Klaus Schippl, Christian Frohne | 2010-03-23 |
| 6789318 | Method for producing longitudinally welded helically corrugated metal tubing | Christian Frohne, Michael Meyer | 2004-09-14 |
| 6688513 | Process for producing longitudinally welded tubes | Klaus Porcher | 2004-02-10 |
| 6550300 | Apparatus for producing annularly corrugated metal tubes | Ernst Hoffmann, Klaus-D. Jank, Michael Meyer, Robert Strohmeyer | 2003-04-22 |
| 6541121 | Superconducting element | Alexander Usoskin, Herbert Freyhardt | 2003-04-01 |
| 6513699 | Process for the production of metal pipes | Michael Meyer | 2003-02-04 |
| 6509544 | Process for producing a metal tube of copper | Michael Meyer, Hans-Joachim Arntz | 2003-01-21 |
| 6223407 | Apparatus for manufacturing an optical fiber cable | Harry Staschewski, Klaus Porcher, Hans-Joachim Arntz | 2001-05-01 |