Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576677 | Method and apparatus for regenerating an ammoniacal etching solution | Leander Furst, Walter Holzer, Bertel Kastening | 1986-03-18 |
| 4432872 | Apparatus for oxidation or reduction process in water solution with electrochemically active catalyst on a porous carrier | Bertel Kastening | 1984-02-21 |
| 4385969 | Method of regenerating an ammoniacal etching solution | Bertel Kastening, Leander Furst, Walter Holzer | 1983-05-31 |
| 4269678 | Method for regenerating a cupric chloride and/or ferric chloride containing etching solution in an electrolysis cell | Bertel Kastening, Harald Luft | 1981-05-26 |
| 4265722 | Method of processing the surface of workpieces including particularly the etching of surfaces containing copper or copper alloys | Leander Furst, Bertel Kastening | 1981-05-05 |
| 4240888 | Method of electrochemically processing metallic surfaces of workpieces | Leander Furst, Bertel Kastening | 1980-12-23 |