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ZHEJIANG MINGHE STEEL PIPE CO LTD

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    56,345
  • Filing trend
    ⇩ 100.0%
About

ZHEJIANG MINGHE STEEL PIPE CO LTD has a total of 29 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets machine tools, surface technology and coating and mechanical elements are PARAMEC CHEMICALS LTD, KOMMUNARSK METALLURG ZAVOD and INST PENTRU PROIECTARI DE SECT.

Patent filings in countries

World map showing ZHEJIANG MINGHE STEEL PIPE CO LTDs patent filings in countries
# Country Total Patents
#1 China 29

Patent filings per year

Chart showing ZHEJIANG MINGHE STEEL PIPE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tao Zhijian 23
#2 Lin Xueliang 13
#3 Zhang Fengyuan 8
#4 Wang Maolong 6
#5 Sun Huanjun 5
#6 Zhang Yajun 4
#7 Liu Ming 4
#8 Xu Quanjun 3
#9 Tang Xiaomiao 3
#10 Shang Xinhua 3

Latest patents

Publication Filing date Title
CN111744981A Lubricating equipment and lubricating method for large-diameter stainless steel pipe
CN111719160A Preparation method of pickling solution for ferritic stainless steel pipe
CN110102983A A kind of high temperature resistant dry type overhang roll and its preparation process
CN109868352A A kind of steel pipe water cooling Self-tempering and device
CN109929972A A kind of steel pipe non-oxidation normalizing process and device
CN107597848A Double oil cylinder controllable type three rolls holding unit mechanisms
CN107520286A The stable anti-rock hydraulic pressure retaining system of straightener roll of straightener
CN107447226A Adjustable type descaling bath activity lid mechanism
CN107520251A Milling train backstage Three-roll plug steadier
CN107447224A Descaling bath removable cover device
CN107497857A The related organization of Three-roll plug steadier
CN107447225A The descaling bath of acid-mist diffusion
CN107444878A A kind of open kinematic chain bed automatic lubricating system
CN106077096A The trundle fast dismounting device of rearmounted dolly
CN106077799A The correlation electrooptical device of steel pipe length measuring system device
CN106141295A Steel pipe length measuring system device
CN106077095A The rearmounted dolly of seamless steel tube production perforating machine
CN106077108A Cold pilger mill stock quick centering device
CN104690096A Retaining device of chain of cooling bed
CN104709704A Heat treatment steel pipe spring type chain collecting frame device