Inventor · disambiguated record
John J. Kelmar
Also filed as: KELMAR JOHN J
4 granted patents·24 citations·filing 1979–1989
72Inventor score
Top patents by PatentIndex Score
4 records- 0159US4670049AOxygen blast furnace for direct steel makingKELMAR JOHN J·Filed 1985·Granted Jun 2, 1987·15 cites·12 claims
- 0235US4249996AElectrically heated by-product coke ovenKELMAR JOHN J·Filed 1979·Granted Feb 10, 1981·3 cites·4 claims
- 0330US4978106AIron reduction apparatusKELMAR JOHN J·Filed 1989·Granted Dec 18, 1990·3 cites·10 claims
- 0430US4820313ACoal processing method and apparatusKELMAR ENERGY CORP·Filed 1986·Granted Apr 11, 1989·3 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →