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Peter Hellmann
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Cremlingen, DE
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Patents Grants
last 30 patents
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Patent Grant
Air-conditioning system for a motor vehicle
Patent number
7,900,466
Issue date
Mar 8, 2011
Volkswagen AG
Karsten Helms
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
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Patent Application
METHOD FOR OPERATING A HEAT PUMP FOR A MOTOR VEHICLE AND HEAT PUMP
Publication number
20230138734
Publication date
May 4, 2023
Volkswagen Aktiengesellschaft
Jochen WESTHAEUSER
B60 - VEHICLES IN GENERAL
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Patent Application
Air-Conditioning System For a Motor Vehicle
Publication number
20080209929
Publication date
Sep 4, 2008
Karsten Helms
B60 - VEHICLES IN GENERAL