Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802296 | Screwing device with rotatable tools | Harald Hielscher, Holger Hielscher | 2017-10-31 |
| 9724781 | Sonotrode and device for generating low frequency power ultrasound | Harald Hielscher, Holger Hielscher | 2017-08-08 |
| 9713803 | Method and device for changing the properties of at least one liquid medium | Harald Hielscher, Holger Hielscher | 2017-07-25 |