Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827099 | Method and apparatus for continuous production of tubular bodies by means of laser longitudinal seam welding | Rolf Krebs, Otto Welsing, Friedhelm Gunter, Hans-Jürgen Wahl, Manfred Gerber +1 more | 1989-05-02 |
| 4732623 | Method of making high strength steel tube | Heinz Gross, Friedrich Reith, Karl H. Schlusnus | 1988-03-22 |
| 4656332 | Use of the laser welding process for and method of manufacturing of welded construction parts for exhaust installations | Heinz Gross, Manfred Gerber, Rolf Krebs | 1987-04-07 |
| 4414042 | Method of making high strength steel tube | Heinz Gross, Friedrich Reith, Karl H. Schlusnus | 1983-11-08 |