Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014744 | Shut-off device | Johannes Loffler | 1991-05-14 |
| 4536193 | Stirrer of a reactor for gasifying solid fuels | Johannes Albrecht, Rudolf Jakobs, Osman Turna, Helmut Vierrath, Manfred Weil | 1985-08-20 |