Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8003199 | Noise prevention plate consisting of acrylic glass | Egbert Schoela, Gerald Molnar, Gerd Hampl, Mojmir Ruzicka | 2011-08-23 |
| 7665574 | Soundproofing restraining system | Egbert Schoela, Ingulf Stuelpnagel, Johannes Kistenich, Ryoichi Tanaka, Motoji Tashiro | 2010-02-23 |
| 7568553 | Noise barrier system composed of a base with a transparent superstructure | Wolffgang Wiebel, Klaus Lublow, Klaus Oberlaender, Norbert Brand, Reiner Lingelbach | 2009-08-04 |
| 7568682 | Spring-supported suspension for noise insulation elements | Martin Petschnig | 2009-08-04 |
| 6613444 | Backing-lined sanitary article and process for the production thereof | Rudiger Jaeckel, Hans Josef Ritzert, Axel Schröder, Ralf Debes | 2003-09-02 |
| 6412597 | Plate suitable as a noise protection wall | Egbert Schola, Gerald Molnar | 2002-07-02 |
| 5040352 | Noise-protection elements of acrylic glass | Klaus Oberlander, Norbert Brand, Kurt Kirdorf, Heinz Wachter | 1991-08-20 |