Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8500898 | Yttria-based slurry composition | Sigrun Raunig | 2013-08-06 |
| 8372769 | Yttria-based refractory composition | Sigrun Tauber | 2013-02-12 |
| 8025094 | Yttria-based refractory composition | Sigrun Tauber | 2011-09-27 |
| 5603738 | Process and device for preparing an abrasive | Hans Zeiringer | 1997-02-18 |
| 5302564 | Sintered microcrystalline ceramic material | Herwig Winkler, Georg Gottschamel | 1994-04-12 |
| 5141527 | Ceramic sintered body and method of producing it | Herwig Winkler, Georg Gottschamel | 1992-08-25 |
| 5106791 | Sintered microcrystalline ceramic material | Herwig Winkler, Georg Gottschamel | 1992-04-21 |
| 5053369 | Sintered microcrystalline ceramic material | Herwig Winkler, Georg Gottschamel | 1991-10-01 |
| 4799938 | .alpha.-Al.sub.2 O.sub.3 abrasive material and method of preparing the same | Georg Gottschamel | 1989-01-24 |
| 4786292 | Microcrystalline abrasive material and method of manufacture | Herwig Winkler, Georg Gottschamel | 1988-11-22 |