Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7712795 | Pipe connection | — | 2010-05-11 |
| 5151228 | Process for manufacturing large-size porous shaped bodies of low density by swelling | — | 1992-09-29 |
| 4764107 | Shaft arrangement for thermal and/or material transfer processes between a gas and bulk material | Erich Sundermann, Hanno Laurien, Hans Reye | 1988-08-16 |
| 4708642 | Process for the thermal and/or chemical treatment of grained, granular or lump material | Erich Sundermann, Hanno Laurien, Hans Reye | 1987-11-24 |
| 4664623 | Process and apparatus for the thermal treatment of trickling material swellable or rendered swellable, and containing aluminosilicates | Erich Sundermann, Hanno Laurien, Hans Reye | 1987-05-12 |