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GOLDEN DRAGON PRECISE COPPER TUBE GROUP INC

Overview
  • Total Patents
    54
  • GoodIP Patent Rank
    157,399
  • Filing trend
    ⇩ 100.0%
About

GOLDEN DRAGON PRECISE COPPER TUBE GROUP INC has a total of 54 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2006. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets thermal processes, materials and metallurgy and machine tools are S I R A SPA, FREDERIC RANDLE and RIGIDIZED METALS CORP.

Patent filings in countries

World map showing GOLDEN DRAGON PRECISE COPPER TUBE GROUP INCs patent filings in countries

Patent filings per year

Chart showing GOLDEN DRAGON PRECISE COPPER TUBE GROUP INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Yongqiang 10
#2 Wang Zhijun 8
#3 Li Qianfang 7
#4 Lei Yu 5
#5 Zhenguo Feng 5
#6 Chen Mingyu 5
#7 Li Peng 5
#8 Zhang Xigang 5
#9 Jinhao Zhao 5
#10 Sun Xinchun 4

Latest patents

Publication Filing date Title
CN112059129A Production method of low-alloy-content copper pipe
CN110132042A A kind of thinning high voltage efficient heat conducting tube and its processing technology
CN109860946A A kind of rectangular header and its processing method
CN107990778A Efficient inner screw thread copper pipe
CN107988465A A kind of metal pipe material forming internal threads and annealing integration machine and method
CN107962085A A kind of metal pipe material annealing and forming internal threads all-in-one machine and method
CN106642829A Evaporation pipe for absorption unit and preparation method
CN105300155A Evaporating pipe
CN104708292A Machining method for heat conducting pipe
CN104374224A Strengthened evaporation heat transferring tube
CN104264005A Corrosion-resistant aluminum alloy and air conditioner heat exchanger
CN103486894A Enhanced heat transfer tube for falling film evaporator and manufacturing method thereof
CN103170522A Flat copper pipe assembly line and production method thereof
CN103191979A Combined cutting tool for processing finned tube
CN103057794A Coil tray
US2014224464A1 Enhanced condensation heat-transfer tube
CN103203391A Production method for copper-titanium composite tube
CN103075901A Finned tube type heat exchanger and fin thereof
CN103071977A Production method of large-coil-weight white copper alloy coil pipe
CN102922789A Metal composite material with high interfacial bonding strength