Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4569197 | Method for producing energy from solid, fossil and ballast rich fuels | Fritz Adrian, Klaus Heyn, Hans-Joachim Pogrzeba | 1986-02-11 |
| 4475472 | Method and apparatus for operating a vortex bed furnace | Fritz Adrian | 1984-10-09 |