Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053210 | Method for the purification of flue gases | Michael Buxel, Horst Thieme, Manfred Koch | 1991-10-01 |
| 4681157 | Crossflow heat exchanger | Hans-Dieter Schwarz, Werner Lichtenthaler, Ludwig Muhlhaus | 1987-07-21 |