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Erhard Krumpholz
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Zurich, CH
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last 30 patents
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Patent Grant
Enthalpy exchanger element and method for the production
Patent number
10,041,746
Issue date
Aug 7, 2018
Zehnder Group International AG
Marcel Riendeau
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
Enthalpy Exchanger Element And Method For The Production
Publication number
20180320990
Publication date
Nov 8, 2018
ZEHNDER GROUP INTERNATIONAL AG
Christian Hirsch
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Information
Patent Application
Enthalpy Exchanger Element And Method For The Production
Publication number
20160178288
Publication date
Jun 23, 2016
ZEHNDER GROUP INTERNATIONAL AG
Marcel Riendeau
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Enthalpy Exchanger Element And Method For The Production
Publication number
20160161131
Publication date
Jun 9, 2016
ZEHNDER GROUP INTERNATIONAL AG
Marcel Riendeau
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR