Qiang Jiang

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Xinxiang City, CN

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Patents Grantslast 30 patents

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

Patents Applicationslast 30 patents

Information Patent Application
A FLOODED TYPE EVAPORATING HEAT-EXCHANGE COPPER TUBE FOR AN ELECTRI...
- Publication number 20070151715
- Publication date Jul 5, 2007
- Hao Yunyu
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Condensing heat-exchange copper tube for an flooded type electrical...
- Publication number 20070131396
- Publication date Jun 14, 2007
- Chuanfu Yu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...