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SHANGHAI LONGYANG PREC COMPOUND COPPER PIPE CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    161,192
  • Filing trend
    ⇩ 50.0%
About

SHANGHAI LONGYANG PREC COMPOUND COPPER PIPE CO LTD has a total of 13 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, machine tools and thermal processes are TIANJIN BINHAI PURIFIED EQUIPMENT CO LTD, LUDWIG BOHRER MASCHB GMBH and DOSTAL & LOWEY CO INC.

Patent filings in countries

World map showing SHANGHAI LONGYANG PREC COMPOUND COPPER PIPE CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing SHANGHAI LONGYANG PREC COMPOUND COPPER PIPE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Kai 4
#2 Zhang Jixuan 4
#3 Wang Chao 3
#4 Hu Xianfu 2
#5 He Yingbin 2
#6 Zhang Yifan 2
#7 Li Hui 2
#8 Fu Tieyan 2
#9 Qi Congyu 1
#10 Li Yong 1

Latest patents

Publication Filing date Title
CN111112252A Novel method for cleaning inner groove pipe
CN110294312A A kind of straight tube bilayer material collecting device
CN109454068A A kind of on-line automatic blow device of copper pipe
CN108980990A A kind of cabinet air conditioner
CN107991468A A kind of detection method for measuring formic acid content in copper pipe drawing oil
CN107931349A A kind of special-shaped plug die of new internal thread forming machine
CN108034837A A kind of quick production method for removing red copper stove liquid impurity
CN107185931A A kind of copper pipe material frame bottom automatic flushing device
CN105258401A Heat exchanger and heat pump type air conditioner system provided with heat exchanger
CN105299969A Detecting system for detecting heat exchange capacity of heat regenerator
CN104913552A Liquid distributor
CN102371290A Online flaw detection process of pipeline forming and machining process
CN101190486A Air conditioner heat-exchanger brass pipe defect servicing technique method and special-purpose apparatus for implementing the method