Golden Dragon Precise Copper Tube Group Inc.

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Xinxiang City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Condensation enhancement heat transfer pipe
- Patent number 9,683,791
- Issue date Jun 20, 2017
- GOLDEN DRAGON PRECISE COPPER TUBE GROUP INC.
- Yongqiang Wu
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Flooded type evaporating heat-exchange copper tube for an electrica...
- Patent number 7,841,391
- Issue date Nov 30, 2010
- Golden Dragon Precise Copper Tube Group, Inc.
- Yunyu Hao
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Condensing heat-exchange copper tube for an flooded type electrical...
- Patent number 7,762,318
- Issue date Jul 27, 2010
- Golden Dragon Precise Copper Tube Group, Inc.
- Chuanfu Yu
- F28 - HEAT EXCHANGE IN GENERAL

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Patents Applicationslast 30 patents

Information Patent Application
STRENGTHENED TRANSMISSION TUBES FOR FALLING FILM EVAPORATORS
- Publication number 20130220586
- Publication date Aug 29, 2013
- SHANGHAI GOLDEN DRAGON REFRIGERATION TECHNOLGY CO., LTD.
- Xinchun Sun
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
CONDENSATION ENHANCEMENT HEAT TRANSFER PIPE
- Publication number 20110226457
- Publication date Sep 22, 2011
- Golden Dragon Precise Copper Tube Group Inc.
- Yongqiang Wu
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
NOVEL ALUMINUM ALLOY AND PRODUTS THEREOF
- Publication number 20110076184
- Publication date Mar 31, 2011
- GOLDEN DRAGON PRECISE COPPER TUBE GROUP, INC.
- Jinli Zhang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
COPPER ALLOY, METHOD OF PRODUCING THE SAME, AND COPPER TUBE
- Publication number 20100276039
- Publication date Nov 4, 2010
- Golden Dragon Precise Copper Tube Group Inc.
- Honglin Guo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

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Trademarklast 30 trademarks

Information Trademark
79065594 - JINGLONG
- Serial number 79065594
- Registration number 3744890
- Filing date Jan 12, 2009
- GOLDEN DRAGON; PRECISE COPPER TUBE GROUP INC.
- 6 - Common metals and their alloys