Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5460724 | Apparatus and method for the regeneration of an ion exchanger installation | Roland Schaich | 1995-10-24 |
| 5382366 | Retardation installation with compressed air-diaphragm pump and stroke count device | Roland Schaich | 1995-01-17 |
| 5372722 | Oil separator with integrated microfiltration device | Uwe Prinz | 1994-12-13 |
| 4351733 | Process and apparatus for purification of industrial waste water | Richard Salzer | 1982-09-28 |