Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9597621 | Multi-ply filter medium | Juergen Umminger | 2017-03-21 |
| 9028579 | Filter medium | Joerg Lehnert, Hans-Juergen Meitinger | 2015-05-12 |
| 8147584 | Filter medium | Hans-Jurgen Meitinger, Kurt Ploetz, Juergen Umminger, Michael Schoeps | 2012-04-03 |
| 7993427 | Filter medium | Hans-Jurgen Meitinger, Kurt Plotz, Jürgen Umminger, Michael Schops | 2011-08-09 |
| 6450476 | Formwork for producing articles of concrete | Andreas Schaab, Jürg Hausser | 2002-09-17 |
| 5820775 | Textile sheet for use as a concrete mold liner | Stefanie Hiller, Andreas Schaab | 1998-10-13 |