Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4709552 | Multiple cylinder internal combustion engine with exhaust turbochargers | Erwin Rutschmann, Khanh Tran-Van | 1987-12-01 |
| 4675420 | Generation of reduced pressure in apparatuses in the preparation of phthalic anhydride and maleic anhydride | Ulrich Block, Wolf Muff, Klaus Nixdorf | 1987-06-23 |
| 4489775 | Desublimator for isolating sublimation products from reaction gases | Harry Kassat, Friedrich Wirth | 1984-12-25 |