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HUANGSHAN SANJIA YIHUA PREC MACHINE CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    175,162
About

HUANGSHAN SANJIA YIHUA PREC MACHINE CO LTD has a total of 11 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets machine tools and thermal processes are YESUN SHANGHAI MOULD CO LTD, CHONGQING ANYA MOULD MFG CO LTD and BURPEE FRANK WATTS.

Patent filings in countries

World map showing HUANGSHAN SANJIA YIHUA PREC MACHINE CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing HUANGSHAN SANJIA YIHUA PREC MACHINE CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Chu Jie 9
#2 Chen Tao 6
#3 Wu Jianjun 5
#4 Wu Jianfeng 4
#5 Wu Xu 4
#6 Li Wenxia 3
#7 Dongjuan Yang 1
#8 Yonggui You 1
#9 Jin Tiejun 1
#10 Jie Chu 1

Latest patents

Publication Filing date Title
CN112139369A Expansion rod adjusting structure of pipe expander
CN112139370A Automatic feeding device for heat exchanger of pipe expander
CN110793373A Double-bridge fin structure and double-bridge fin processing die
CN108465736A It is a kind of can single two-step conversion fin machining progressive die structure
CN108453185A A kind of tube expansion machine heat exchanger automatic material loading structure
CN106270227A A kind of expander roll exempts to extract structure and electric tube expander thereof out
CN105834296A Machining progressive die used for increasing height of fins
CN105499414A Pipe expander
CN103624174A Tube expander capable of conveniently flanging expanded tubes section by section
CN103611819A Single-row adjustable fin flanging die
CN101121187A A kind of thin band high speed stamping die and method for controlling oil-gas jetting