Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5879643 | Microwave apparatus for heating, disinfecting and sterilizing materials | Helmut Katschnig, Ernst Gruber | 1999-03-09 |
| 5403564 | Apparatus for heating and thermal decontaminating a pumpable or pourable material | Helmut Katschnig, Ernst Gruber | 1995-04-04 |