Ronald J. Stokman

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Hillegom, NL

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Patents Grantslast 30 patents

Information Patent Grant
Hot blast stove and method for constructing a hot blast stove
- Patent number 5,375,817
- Issue date Dec 27, 1994
- Hoogovens Groep B.V.
- Nicolaas G. J. Bleijendaal
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-blast main for hot-blast stove system of a blast furnace
- Patent number 5,358,223
- Issue date Oct 25, 1994
- Hoogovens Groep B.V.
- Nicolaas G. J. Bleijendaal
- C21 - METALLURGY OF IRON
Information Patent Grant
Ceramic gas burner for a hot blast stove, and bricks therefor
- Patent number 5,052,922
- Issue date Oct 1, 1991
- Hoogovens Groep B.V.
- Ronald J. M. Stokman
- C21 - METALLURGY OF IRON
Information Patent Grant
Channel structure for flow of molten pig iron
- Patent number 5,031,882
- Issue date Jul 16, 1991
- Hoogovens Groep B.V.
- Jacobus van Laar
- C21 - METALLURGY OF IRON
Information Patent Grant
Ceramic gas burner for a combustion chamber of a hot-blast stove
- Patent number 4,881,895
- Issue date Nov 21, 1989
- Hoogovens Groep B.V.
- Jacob Felthuis
- C21 - METALLURGY OF IRON
Information Patent Grant
Ceramic burner for a hot-blast stove
- Patent number 4,863,378
- Issue date Sep 5, 1989
- Hoogovens Groep B.V.
- Jacob Felthuis
- C21 - METALLURGY OF IRON
Information Patent Grant
Gastight bottom construction for a shaft furnace
- Patent number 4,852,859
- Issue date Aug 1, 1989
- Hoogovens Groep B.V.
- Jacobus van Laar
- C21 - METALLURGY OF IRON