Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8845501 | Process for producing a roll for supporting and conveying hot material, process for repairing a worn roll | Stefan Lechner, Johann Poeppl, Guoxin Shan, Heinrich Thoene, Karl Trnka +1 more | 2014-09-30 |
| 8663379 | Coating for machine parts used in the production of pig iron or steel | Stefan Lechner | 2014-03-04 |
| 8540931 | Nozzle for injecting gas containing oxygen into a pig iron device having an injector insertion pipe | Georg Aichinger, Franz Berner, Stefan Lechner, Jan-Friedemann Plaul, Johannes Schenk +5 more | 2013-09-24 |