Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591335 | Process for reheating and conveying a granular heat carrier | Ludwig Muhlhaus, Ulrich Neumann | 1986-05-27 |
| 4537571 | Process of and apparatus for reheating and conveying a granular heat carrier | Ludwig Mulhaus | 1985-08-27 |