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Rudolf Muller
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Merzenich, DT
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last 30 patents
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Patent Grant
Slide valve for closing a large pressurized gas conveying pipe
Patent number
4,018,420
Issue date
Apr 19, 1977
Hermann Rappold & Co. GmbH
Rudolf Muller
C21 - METALLURGY OF IRON
Information
Patent Grant
Control apparatus for air blast preheaters of blast furnaces
Patent number
3,994,315
Issue date
Nov 30, 1976
Hermann Rapold & Co. GmbH
Rudolf Muller
C21 - METALLURGY OF IRON
Information
Patent Grant
Shutoff and control slide
Patent number
3,970,109
Issue date
Jul 20, 1976
Hermann Rappold & Co. GmbH
Johannes Uerlichs
C21 - METALLURGY OF IRON