Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7815704 | Device for detachably securing a dust filter bag in dust aspirating equipment | Gunther Eigenwillig, Herbert Krehan, Jurgen Rammig | 2010-10-19 |
| 6966939 | Multi-layer filter structure and use of a multi-layer filter structure | Jurgen Rammig, Ulrich Hornfeck, Roland Straub | 2005-11-22 |
| 5472460 | Filter bag for vacuum cleaners | — | 1995-12-05 |
| 5472465 | Filter bag for a vacuum cleaner | — | 1995-12-05 |
| 5468272 | Filter bag for vacuum cleaners | — | 1995-11-21 |