Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6074618 | Device for removing hydrogen from a gas mixture and its use | Herbert Neumesiter, Reinhold Flucht | 2000-06-13 |
| 5954935 | Electrolytic cell arrangement for the deionization of aqueous solutions | Herbert Neumeister, Reinhold Flucht | 1999-09-21 |
| 4645607 | Process for reduction or oxidation of materials in water solution by passing a gas through a catalyst immersed in solution in the presence of electrically conducting bodies | Jiri Divisek, Bertel Kastening, Harald Luft | 1987-02-24 |
| 4630637 | Gas flow regulator for gases with condensable components | Johan T. G. Ballast, Kurt Jahnel | 1986-12-23 |
| 4576677 | Method and apparatus for regenerating an ammoniacal etching solution | Wolfgang Faul, Walter Holzer, Bertel Kastening | 1986-03-18 |
| 4564428 | Ammoniated etching solution and process for its regeneration utilizing ammonium chloride addition | Walter Holzer, Bertel Kastening | 1986-01-14 |
| 4557811 | Regeneration of an ammoniacal etching solution with recycling of solution with electrolytically reduced metal content to the regeneration input | Walter Holzer | 1985-12-10 |
| 4532023 | Electrochemical gas analyzer for determination of sulphur dioxide content of gases | Jiri Divisek | 1985-07-30 |
| 4385969 | Method of regenerating an ammoniacal etching solution | Bertel Kastening, Wolfgang Faul, Walter Holzer | 1983-05-31 |
| 4265722 | Method of processing the surface of workpieces including particularly the etching of surfaces containing copper or copper alloys | Wolfgang Faul, Bertel Kastening | 1981-05-05 |
| 4240888 | Method of electrochemically processing metallic surfaces of workpieces | Wolfgang Faul, Bertel Kastening | 1980-12-23 |