Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9556049 | Method for treating sewage sludge and wastewater treatment plant | Michael Sievers, Hinnerk Bormann | 2017-01-31 |
| 8641902 | Method for wastewater treatment and wastewater treatment system | Michael Sievers, Hinnerk Bormann | 2014-02-04 |