Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9915595 | Gas-sampling probe and method for operating a gas-sampling probe | Ludwig Könning, Michael Streffing, Alfons Leuer | 2018-03-13 |
| 9724843 | Cement production system | Alfons Leuer, Michael Streffing, Klaus Adler | 2017-08-08 |