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Ralf Neumeier
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Waldenburg, DE
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last 30 patents
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Patent Grant
Impeller wheel for a ventilator
Patent number
8,915,717
Issue date
Dec 23, 2014
Ziehl-Abegg AG
Michael Stephan
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
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Patent Application
Impeller Wheel for a Ventilator
Publication number
20120207606
Publication date
Aug 16, 2012
Ziehl-Abegg AG
Michael Stephan
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
VENTILATOR AND VENTILATOR BLADE
Publication number
20070201982
Publication date
Aug 30, 2007
Ziehl-Abegg AG
Ralf Neumeier
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...