Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085164 | Combination freezing head for nitrogen-brine freezing | Reiner SCHIFFBAUER | 2021-08-10 |
| 10655293 | Device and method for ground freezing | Ralf Schmand | 2020-05-19 |
| 10196792 | Ground freezing method | Ralf Schmand | 2019-02-05 |