Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236586 | Apparatus for the treatment of fluids | Roland Antoni, Georg Mayer, Manfred Raff, Josef Volm | 1993-08-17 |
| 5072498 | Method of manufacturing a diffusion and/or filtration apparatus | Manfred Raff | 1991-12-17 |
| 5053128 | Method of manufacturing a diffusion/filtration apparatus | — | 1991-10-01 |
| 5053130 | Diffusion and/or filtration apparatus | Manfred Raff | 1991-10-01 |
| 5002668 | Housing containing a penetrable membrane sealing an evacuation outlet | — | 1991-03-26 |
| 4990251 | Resilient sealing ring | Roland Antoni, Joachim Lutterbeck, Gerd Ott, Herbert Raabe, Josef Volm | 1991-02-05 |
| 4689191 | Method for setting the ends of hollow fiber bundles | Bernd Beck | 1987-08-25 |
| 4609728 | Method of treating a cellulosic hollow fiber | Bernd Beck | 1986-09-02 |
| D267037 | Dialyzer cartridge | Wolfgang Heck, Bengt Ake Nestell | 1982-11-23 |
| 4261829 | Apparatus for selective separation of matter through semi-permeable membranes | — | 1981-04-14 |
| D258837 | Dialyzer cartridge | Bengt Ake Nestell | 1981-04-07 |
| 4231879 | Apparatus for selective separation of matter through semi-permeable membranes | — | 1980-11-04 |
| 4225439 | Apparatus for selective separation of matter through semi-permeable membranes | — | 1980-09-30 |