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Rudolf Muller
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Merzenich, DE
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last 30 patents
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Patent Grant
Shut-off valve with a seal formed from an elastic strip
Patent number
4,527,773
Issue date
Jul 9, 1985
Hermann Rappold & Co. GbmH
Rudolf Muller
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Ceramic burner for use in an air heater
Patent number
4,313,724
Issue date
Feb 2, 1982
Hermann Rappold & Co. GmbH.
Rudolf Muller
C21 - METALLURGY OF IRON
Information
Patent Grant
Gate valve for use in large size conduits
Patent number
4,296,776
Issue date
Oct 27, 1981
Hermann Rappold & Co. GmbH.
Rudolf Muller
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for operating a plurality of regenerative hot blast stoves...
Patent number
4,127,257
Issue date
Nov 28, 1978
Hermann Rappold & Co. GmbH.
Rudolf Muller
C21 - METALLURGY OF IRON