Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345914 | Method of heating fine-grained solids | — | 1982-08-24 |
| 4318798 | Process of cooling hot granular solids | Johannes Albrecht, Martin Hirsch | 1982-03-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345914 | Method of heating fine-grained solids | — | 1982-08-24 |
| 4318798 | Process of cooling hot granular solids | Johannes Albrecht, Martin Hirsch | 1982-03-09 |