Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466352 | Method and apparatus for processing waste sulfuric acid | Volker Brucken, Bernd Langner, Michael Stelter | 1995-11-14 |
| 5244551 | Process of regenerating waste pickle which contains metal salts and acids | Volker Brucken, Albert Kaune, Ernst Wallis | 1993-09-14 |
| 5042947 | Scrap detector | Hans-Peter Sattler, Kristian Hohla, Thomas R. Loree | 1991-08-27 |