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SHANDONG HUALIAN MINING CO LTD

Overview
  • Total Patents
    457
  • GoodIP Patent Rank
    3,732
  • Filing trend
    ⇩ 96.0%
About

SHANDONG HUALIAN MINING CO LTD has a total of 457 patent applications. It decreased the IP activity by 96.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, packaging and shipping and mechanical elements are ZIBO HUAYUAN MINING CO LTD, LINYI MINING GROUP CO LTD and MCCARTHY TIMOTHY F.

Patent filings in countries

World map showing SHANDONG HUALIAN MINING CO LTDs patent filings in countries
# Country Total Patents
#1 China 457

Patent filings per year

Chart showing SHANDONG HUALIAN MINING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Jiwei 28
#2 Ma Youzhong 24
#3 Zhang Honggang 22
#4 Qi Xin 20
#5 Zhou Qinggong 20
#6 Sun Yanqing 19
#7 Zhang Yong 19
#8 Li Qingjiao 19
#9 Wang Lei 18
#10 Shen Xingyu 18

Latest patents

Publication Filing date Title
CN111714955A Scrap-removing cleaning oil tank
CN111720417A Bolt anti-loosening structure for hollow end cover of ball mill and mounting method
CN111720096A Novel oil shovel bucket
CN111734653A Totally enclosed pressure device for magnetic transmission
CN111692433A Rubber tube fixing support
CN111734682A Open pit sump multistage pump support
CN111689388A Grab bucket with overload protection function
CN111720172A Tunnel central line retesting instrument
CN111717232A Inclined shaft hoisting anti-sliding device
CN111719980A Well head emergency exit cable suspension device
CN111717627A Mine dry-type belt conveyor
CN111721170A Two-step chamber sectional blasting method
CN111754499A Mining electric locomotive pantograph transformation method
CN111659508A Ball mill end cover
CN111706265A Anti-deformation support
CN111731884A Ore-drawing adjusting device of vibration ore-drawing machine
CN111720166A Underground filling wall building and filter pipe arrangement method
CN111721174A Secondary blasting method for medium-length hole of pre-control roof chamber
CN109458216A Anti-compaction for deep wimble thickener is from slurry making system
CN109424353A Underground unwrapping wire puts dowel pin method