Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5935656 | Short duration hot seal for anodized metal surfaces | Torsten Koerner, Josef Kresse, Wolf-Achim Roland | 1999-08-10 |
| 5891269 | Method of compacting anodized metals with lithium and fluoride-containing solutions without using heavy metals | Torsten Koerner, Josef Kresse, Wolf-Achim Roland | 1999-04-06 |
| 5587063 | Method for electrolytic coloring of aluminum surfaces using alternating current | Peter Kuhm, Christine Schroeder, Volker Sander, Loert de Riese-Meyer | 1996-12-24 |
| 5409592 | Electrolyte additive for a colorant bath for coloring aluminum and process for coloring aluminum | Loert D. Meyer, Volker Sander | 1995-04-25 |
| 5064512 | Process for dyeing anodized aluminum | Dieter Brodalla, Loert de Riese-Meyer, Willi Wuest, Christine Schroeder, Willi Buchmeier +1 more | 1991-11-12 |
| 4917780 | Process for coloring anodized aluminum by AC electrolysis | Dieter Brodalla, Loert de Riese-Meyer | 1990-04-17 |