Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4444698 | Special heat exchange for coal liquefaction system | Udo Lang, Walter Schramm, Berndt Hoerner | 1984-04-24 |
| 4402822 | Method of effecting highly exothermic reactions | Udo Lang, Berndt Horner, Walter Schramm | 1983-09-06 |