Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9939360 | Wear indicator in a composite system of refractory ceramic stones | Josse Bachmayer, Karl-Michael Zettl, Alexander Maranitsch | 2018-04-10 |
| 9879916 | Gas purging element and associated gas connection element | Bernd Trummer, Roman Kulp, Leopold Kneis | 2018-01-30 |
| 9683272 | Gas purging element and associated gas feed line | Bernd Trummer, Roman Kulp, Leopold Kneis | 2017-06-20 |
| 8906290 | Method for exchangeably fastening a refractory purge plug or sleeve | Leopold Kneis | 2014-12-09 |
| 7556765 | Tapping pipe | Oliver Zach, Michael Berger, Christian Rahm | 2009-07-07 |