Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9644622 | Membrane pump with air release valve | Beda Weber, Erich Pfenninger | 2017-05-09 |
| 8800793 | Teat unit | Erich Pfenniger, Peter Vischer, Mario Rigert | 2014-08-12 |
| 8512010 | Membrane pump with bleed valve | Beda Weber, Erich Pfenninger | 2013-08-20 |
| 8371462 | Teat unit | Erich Pfenniger, Mario Rigert, Peter Vischer | 2013-02-12 |
| 8251234 | Teat | Mario Rigert, Carmelo Piscitello, Erich Pfenniger | 2012-08-28 |
| 5287813 | Coach body construction for rail vehicles having extruded aluminum profiles with undercut nut-receiving grooves for ease of asssembly | Roland Markus Hänni, Giorgio Destefani | 1994-02-22 |