Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045199 | Stacked filter supports with corresponding profile seals | Udo Fast, Thomas Handtmann, Wolfgang Kurz, Peter Westermeier | 1991-09-03 |
| 4986913 | Filter pad | — | 1991-01-22 |
| 4925570 | Method of filtering | — | 1990-05-15 |
| 4910182 | Process for the secondary purification and stabilization of liquids containing polyphenols and/or proteins, particularly beverages and more especially beer | Norbert Hums | 1990-03-20 |
| 4820420 | Process for the secondary purification and stabilization of liquids containing polyphenols and/or proteins, particularly beverages and more especially beer | Norbert Hums | 1989-04-11 |
| 4655919 | Fluid filter device | — | 1987-04-07 |
| 4647415 | Method of producing a filter pad | — | 1987-03-03 |