Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9180394 | Multi-layer composite for use in an air filter | Heiko Manstein, Robert Groten, Anthony Hollingsworth, Ingrid Ewald, Joachim Hendler | 2015-11-10 |
| 8871011 | Electret filter element and method for the manufacture thereof | Martin Krause, Toan-Hieu Giang, Jochen Zabold | 2014-10-28 |
| 8481437 | Thermally bound non-woven material | Armin Greiner, Holger Schilling, Guenter Frey, Ralph Berkemann | 2013-07-09 |
| 8124550 | Thermally bound non-woven material | Armin Greiner, Holger Schilling, Gunter Frey, Ralph Berkemann | 2012-02-28 |
| 6656400 | Method for producing a pleatable filter material from a nonwoven fabric | Anthony Hollingsworth, Dirk Dantz | 2003-12-02 |
| 6547860 | Process for manufacture of triboelectrically charged nonwovens | Holger Buchwald, Karl-Heinz Morweiser | 2003-04-15 |
| 6527834 | Filter for gaseous media | Kurt Jorder, Mathias Pudleiner, Dirk Dantz | 2003-03-04 |
| 6193773 | Dust filter bag | Ulrich Schlor | 2001-02-27 |
| 5470485 | Electrostatically-effective air filter material | Karl-Heinz Morweiser, Harald Stini | 1995-11-28 |
| 4486493 | Cushion body | Holger Burmester | 1984-12-04 |
| 4394411 | Structural panel of gypsum with textile casing and method for producing same | Manfred Krull, Udo Lobert, Dieter Stamm | 1983-07-19 |