Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11440847 | Method for producing a porous sintered magnesia, backfill for producing a heavy-clay refractory product with a granulation from the sintered magnesia, product of this type, and method for the production thereof, lining of an industrial furnace and industrial furnace | Hans-Jurgen Klischat, Robert Plummer, Holger Wirsing | 2022-09-13 |
| 9809498 | Refractory coarse ceramic product and method for producing the same and its use | Hans-Juergen Klischat, Holger Wirsing | 2017-11-07 |
| 8030236 | Fire-resistant ordinary ceramic batch, and fire-resistant product therefrom | Hans-Jurgen Klischat, Holger Wirsing | 2011-10-04 |