Inventor · disambiguated record
Erwin Koch
Also filed as: KOCH ERWIN
3 granted patents·4 citations·filing 1987–1990
57Inventor score
Top patents by PatentIndex Score
3 records- 0131US5009397APlant to be used for metallurgical treatments of metal compounds and/or metal alloys or for producing calcium carbideVOEST ALPINE IND ANLAGEN·Filed 1990·Granted Apr 23, 1991·2 cites·7 claims
- 0226US4781755AMethod of recovering copper and furnace for carrying out the methodVOEST ALPINE AG·Filed 1987·Granted Nov 1, 1988·1 cites·7 claims
- 0313US4985067AProcess and device for implementing hot chemical processesKNOW HOW TRADING PATENT KHT·Filed 1989·Granted Jan 15, 1991·1 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →