Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9821511 | Ultrasonic welding device with preheating unit | Thomas Fischer | 2017-11-21 |
| 9427912 | Ultrasonic welding apparatus having plurality of sonotrodes | Gerhard Gnad | 2016-08-30 |
| 7868518 | Device for processing workpieces | Gerhard Gnad | 2011-01-11 |
| 7108764 | Apparatus for continuous joining and/or welding of material webs using ultrasound | — | 2006-09-19 |
| 6181236 | Sports whistle with audible and visual output signals | — | 2001-01-30 |
| 6029770 | Sound damping element | Stefan Debold | 2000-02-29 |