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Andreas Knoepfler
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Ulm, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Evaporator tube with optimized undercuts on the groove base
Patent number
8,281,850
Issue date
Oct 9, 2012
Wieland-Werke AG
Andreas Beutler
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method of manufacture of heat-exchanger tube structured on both sides
Patent number
7,451,542
Issue date
Nov 18, 2008
Wieland-Werke AG
Karine Brand
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Heat transfer tube and a method of fabrication thereof
Patent number
6,913,073
Issue date
Jul 5, 2005
Wieland-Werke AG
Andreas Beutler
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method of fabricating a heat exchanger tube
Patent number
6,786,072
Issue date
Sep 7, 2004
Wieland-Werke AG
Andreas Beutler
F28 - HEAT EXCHANGE IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Evaporator tube with optimized undercuts on the groove base
Publication number
20090229807
Publication date
Sep 17, 2009
Andreas Beutler
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Method of manufacture of heat-exchanger tube structured on both sides
Publication number
20050241150
Publication date
Nov 3, 2005
Wieland-Werke AG
Karine Brand
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Heat-exchanger tube structured on both sides and a method for its m...
Publication number
20030094272
Publication date
May 22, 2003
Karine Brand
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method of fabricating a heat exchanger tube
Publication number
20030024121
Publication date
Feb 6, 2003
Wieland-Werke AG
Andreas Beutler
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Heat transfer tube and a method of fabrication thereof
Publication number
20020092644
Publication date
Jul 18, 2002
Andreas Beutler
F28 - HEAT EXCHANGE IN GENERAL