Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5082543 | Filter press electrolysis cell | Michael Gnann | 1992-01-21 |
| 4995550 | Valve metal/platinum composite electrode | Herbert Appl, Michael Gnann, Wolfgang Jahr | 1991-02-26 |
| 4830801 | Degassing process for a worm extruder | Josef Helmut Weinmaier, Nikolaus Ailler | 1989-05-16 |
| 4743671 | Process and agent for cross-linking organopolysiloxanes | Maximilian Dorn, Josef Helmut Weinmaier, Eberhard Hagel | 1988-05-10 |
| 4722680 | Degassing device on a worm extruder | Josef Helmut Weinmaier, Nikolaus Ailler | 1988-02-02 |
| 4543243 | Process and a device for the production of chlorine dioxide | Hanns Frohler | 1985-09-24 |