Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11356580 | Method for preventing screen capture | István Lám, Peter Budai, Dániel Krausz | 2022-06-07 |
| 6887810 | Synthetic, refractory material for refractory products, and process for producing the product | Hans-Jurgen Klischat, Holger Wirsing, Guido Weibel | 2005-05-03 |
| 6872242 | Fireproof mixture and elastifier for the same and method for its production | — | 2005-03-29 |
| 6846766 | Carbonaceous refractory shaped body with improved oxidation behavior and batch composition and method for producing the same | Helge Jansen, Heinrich Grosse Daldrup | 2005-01-25 |
| 6753283 | Synthetic, refractory material for refractory products, and process for producing the product | Hans-Jurgen Klischat, Holger Wirsing, Guido Weibel | 2004-06-22 |
| 6740612 | Resistor for refractory shaped bodies, and shaped bodies derived therefrom | Hans-Jurgen Klischat, Holger Wirsing, Guido Weibel | 2004-05-25 |
| 6645425 | Refractory batch, in particular for the production of a shaped body, and process for producing the shaped body | Hans Wienand, Helge Jansen | 2003-11-11 |
| 4775648 | Heavy ceramic shaped material, process for the production thereof and the use thereof | Guido Weibel | 1988-10-04 |
| 4303449 | Glass forming compound and brick made therewith | Alexander Tutsek | 1981-12-01 |
| 4213789 | Glass forming compound and brick made therewith | Alexander Tutsek | 1980-07-22 |