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CHINA MINMETALS CHANGSHA MINING RES INST CO LTD

Overview
  • Total Patents
    147
  • GoodIP Patent Rank
    10,070
  • Filing trend
    ⇧ 41.0%
About

CHINA MINMETALS CHANGSHA MINING RES INST CO LTD has a total of 147 patent applications. It increased the IP activity by 41.0%. 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, measurement and machines are SHANDONG XINMEI MACHINERY EQUIPMENT CO LTD, HENAN LIXING KECHUANG MINING TECH DEVELOPMENT CO LTD and CHANGCUN COAL MINE SHANXI LUAN ENV ENERGY DEV CO LTD.

Patent filings in countries

World map showing CHINA MINMETALS CHANGSHA MINING RES INST CO LTDs patent filings in countries
# Country Total Patents
#1 China 147

Patent filings per year

Chart showing CHINA MINMETALS CHANGSHA MINING RES INST CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gao Yuqing 26
#2 Zheng Bokun 20
#3 Lai Wei 18
#4 Zang Long 17
#5 Li Xiangdong 16
#6 Hou Jingbao 15
#7 Zhou Aimin 14
#8 Song Qixin 14
#9 Liu Xiaosheng 14
#10 Song Jiadong 14

Latest patents

Publication Filing date Title
CN110561617A Full-tailing slurry filling system with low density and high strength
CN110590222A Filling method of low-density high-strength full-tailing slurry
CN110541729A artificial false bottom and manufacturing method thereof
CN110586582A Method for quickly dredging filling pipeline
CN110595331A Intelligent blast hole measuring device and method
CN110439612A A kind of mould bag barricade and construction method
CN110529179A A kind of artificial false lane construction method of anchor slab
CN110500115A A kind of passive Support Method of fragmented rock body tunnel master
CN110469283A A kind of directional drilling rock core structure face occurrence calculation method
CN110219612A The drilling tool inner tube and operational method of seabed coring drilling with keep up pressure
CN110193501A One kind is wind power ganged to wash pipe method and device
CN110273708A A kind of hydrophobic method of roadway support structural body control
CN110219650A A kind of environment remodeling stage deep hole afterwards filling mining method
CN110095047A A kind of tendency inclination angle measuring tool of directional drilling rock core
CN110067596A The construction method and filling counterfort of filling counterfort
CN110017742A A kind of uphole shooting obstruction method and corresponding blocking device
CN109999539A A kind of three-dimensional multizone lamination water conservancy diversion concentrator
CN109826579A A kind of seabed drilling machine wire line coring salvaging system and method
CN110030032A The method that tailing slurry shunts partially dehydrated regulation filling slurry preparation concentration
CN109915686A Filling pipeline restorative procedure