Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5955045 | Removal of nitrogen oxides from gases | Karl Baur, Hartmut Neumann, Ulrike Wenning | 1999-09-21 |
| 4188796 | Method of and apparatus for the cooling (quenching) of cracking gases | Markus Raab, Heiner Dittmann | 1980-02-19 |