Inventor · disambiguated record
Johann Zirngast
Also filed as: ZIRNGAST JOHANN
4 granted patents·20 citations·filing 2000–2002
71Inventor score
Top patents by PatentIndex Score
4 records- 0172US6645269B2Process and plant for producing a metal meltVOEST ALPINE IND ANLAGEN·Filed 2002·Granted Nov 11, 2003·11 cites·14 claims
- 0271US6336954B1Process and plant for the direct reduction of particulate iron-oxide-containing materialVOEST ALPINE IND ANLAGEN·Filed 2000·Granted Jan 8, 2002·7 cites·20 claims
- 0357US6569377B2Plant for the direct reduction of particulate iron-oxide-containing materialVOEST ALPINE IND ANLAGEN·Filed 2002·Granted May 27, 2003·1 cites·9 claims
- 0437US7854909B2Method and device for treating a fine-particled feedstock especially containing metalPOSCO·Filed 2002·Granted Dec 21, 2010·1 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →