Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9468965 | Method for shaping an essentially flat-surfaced blank to form a shell body and use thereof | — | 2016-10-18 |
| 9302437 | High-pressure tank with permeation barrier | — | 2016-04-05 |
| 9011622 | High-pressure tank with permeation barrier | — | 2015-04-21 |
| 7644600 | Method and device for forming an essentially flat metal blank to produce a thin-walled, shell-type body, and the use of same | Helmut Michel, Johannes Hegels | 2010-01-12 |
| 7454936 | Method and device for forming an essentially flat metal blank to produce a thin-walled, shell-type body, and the use of same | Helmut Michel, Johannes Hegels | 2008-11-25 |
| 4583519 | Heat exchanger | Heinz Gronert, Manfred Eckert, Johann Munich, Henning von Petersdorff, Manfred Mix | 1986-04-22 |