Inventor
ZIRNGAST JOHANN
AT4 patents
⚠️ This page may combine multiple inventors who share the name “ZIRNGAST JOHANN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VOEST ALPINE IND ANLAGEN
3 patentsUS6336954B1Jan 8, 2002
Process and plant for the direct reduction of particulate iron-oxide-containing material
VOEST ALPINE IND ANLAGEN7 citations71
US6645269B2Nov 11, 2003
Process and plant for producing a metal melt
VOEST ALPINE IND ANLAGEN11 citations68
US6569377B2May 27, 2003
Plant for the direct reduction of particulate iron-oxide-containing material
VOEST ALPINE IND ANLAGEN1 citations49