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Patents Grants
last 30 patents
Information
Patent Grant
Tube with fins having wings
Patent number
9,844,807
Issue date
Dec 19, 2017
Wieland-Werke AG
Qiu Yalin
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Evaporation heat transfer tube
Patent number
9,644,900
Issue date
May 9, 2017
Wieland-Werke AG
Andreas Beutler
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Evaporation heat transfer tube with a hollow cavity
Patent number
9,541,336
Issue date
Jan 10, 2017
Wieland-Werke AG
Andreas Beutler
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Finned tube for evaporation and condensation
Patent number
9,038,710
Issue date
May 26, 2015
Wieland-Werke AG
Jianying Cao
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Finned tube for condensation and evaporation
Patent number
8,162,039
Issue date
Apr 24, 2012
Wolverine Tube, Inc.
Jianying Cao
F28 - HEAT EXCHANGE IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
METAL HEAT EXCHANGER TUBE
Publication number
20230400264
Publication date
Dec 14, 2023
WIELAND-WERKE AG
Achim GOTTERBARM
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
EVAPORATION HEAT TRANSFER TUBE
Publication number
20150247681
Publication date
Sep 3, 2015
WIELAND-WERKE AG
Andreas Beutler
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
EVAPORATION HEAT TRANSFER TUBE WITH A HOLLOW CAVITY
Publication number
20150241140
Publication date
Aug 27, 2015
WIELAND-WERKE AG
Andreas Beutler
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
FINNED TUBE FOR EVAPORATION AND CONDENSATION
Publication number
20120111551
Publication date
May 10, 2012
Wolverine Tube, Inc.
Jianying Cao
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
TUBE WITH FINS HAVING WINGS
Publication number
20090260792
Publication date
Oct 22, 2009
WOLVERINE TUBE, INC.
Qiu Yalin
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
FINNED TUBE WITH STEPPED PEAKS
Publication number
20090008069
Publication date
Jan 8, 2009
WOLVERINE TUBE, INC.
Zhong Luo
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
FINNED TUBE WITH INDENTATIONS
Publication number
20080236803
Publication date
Oct 2, 2008
WOLVERINE TUBE, INC.
Jianying Cao
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
FINNED TUBE FOR CONDENSATION AND EVAPORATION
Publication number
20080196876
Publication date
Aug 21, 2008
WOLVERINE TUBE, INC.
Jianying Cao
F28 - HEAT EXCHANGE IN GENERAL