Fierro Esponja, S.A.

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Monterrey, MX

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for gaseous reduction of metal ores with cooling loop
- Patent number 4,298,190
- Issue date Nov 3, 1981
- Fierro Esponja, S.A.
- Patrick W. MacKay
- C21 - METALLURGY OF IRON
Information Patent Grant
Controlling carburization in the reduction of iron ore to sponge iron
- Patent number 4,150,972
- Issue date Apr 24, 1979
- Fierro Esponja, S.A.
- Juan F. Price-Falcon
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for measuring percentage reduction in a metal...
- Patent number 4,121,922
- Issue date Oct 24, 1978
- Fierro Esponja, S.A.
- Patrick W. MacKay
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the batchwise reduction of metal ores
- Patent number 4,099,963
- Issue date Jul 11, 1978
- Fierro Esponja, S.A.
- Patrick W. MacKay
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for gaseous reduction of metal ores
- Patent number 4,067,728
- Issue date Jan 10, 1978
- Fierro Esponja, S.A.
- Patrick W. MacKay
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct gaseous reduction of oxidic metal ores with dual temperature...
- Patent number 4,046,556
- Issue date Sep 6, 1977
- Fierro Esponja, S.A.
- Juan Celada
- C21 - METALLURGY OF IRON