Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731937 | Process and apparatus for the dry sluicing of grit, slag or sediments from pressurized systems | Ulrich Premel, Ralf-Uwe Hartermann, Jurgen Poller, Klaus Weinzierl | 1988-03-22 |