Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10335924 | Method and blasting means for producing a satinized finish on an aluminium substrate | — | 2019-07-02 |
| 9962811 | Method and blasting means for producing a sanitized finish on an aluminum substrate | — | 2018-05-08 |
| 5512129 | Method for regenerating alkaline solutions for pickling aluminum | Roland Fransson, Herbert Breunig, Michael Ferner | 1996-04-30 |
| 5064512 | Process for dyeing anodized aluminum | Juergen Lindener, Loert de Riese-Meyer, Willi Wuest, Christine Schroeder, Willi Buchmeier +1 more | 1991-11-12 |
| 4992155 | Circuitry for the electrolytic coloring of anodized aluminum surfaces | Werner Huppertz, Georg Wagner, James W. Costello, Karl-Heinz Munk | 1991-02-12 |
| 4939001 | Process for sealing anodized aluminum | Winfried Kirchhoff, Willi Wuest, Helmut Blum, Wolfgang Riedel | 1990-07-03 |
| 4917780 | Process for coloring anodized aluminum by AC electrolysis | Loert de Riese-Meyer, Juergen Lindener | 1990-04-17 |
| 4915801 | Process for the electrolytic coloring of anodized aluminum surfaces | Werner Huppertz, Georg Wagner, James W. Costello, Karl-Heinz Munk | 1990-04-10 |
| 4877495 | Electrolytic coloring of anodized aluminum | Willi Buchmeier | 1989-10-31 |
| 4844744 | Liquid, phosphate-free single phase degreasing compositions | Herbert Leiter, Harald Wennemann, Frantisek Jost, Andreas Buhl | 1989-07-04 |
| 4756771 | Colorless sealing layers for anodized aluminum surfaces | Winfried Kirchhoff, Hans J. Goehausen | 1988-07-12 |
| 4661170 | Method and composition for preserving aluminum surfaces | Rainer Osberghaus, Roland Geissler, Harald Bossek | 1987-04-28 |