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CHINA COAL NO 1 CONSTRUCTION CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    74,807
  • Filing trend
    ⇧ 500.0%
About

CHINA COAL NO 1 CONSTRUCTION CO LTD has a total of 22 patent applications. It increased the IP activity by 500.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, materials and metallurgy and chemical engineering are HUAINAN MINING INDUSTRY GROUP, CHEXPLOR RESOURCE EXPLORATION TECH CO LTD and SHAANXI ZHENGTONG COAL IND CO LTD.

Patent filings in countries

World map showing CHINA COAL NO 1 CONSTRUCTION CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing CHINA COAL NO 1 CONSTRUCTION CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Ruizhi 5
#2 Guo Yongfu 5
#3 Zhang Ligang 5
#4 Li Genqiao 4
#5 Mi Peiying 3
#6 Liu Xiaoting 3
#7 Zhang Yantao 3
#8 Jia Zhengang 2
#9 Meng Zhongchao 2
#10 Gao Lisen 2

Latest patents

Publication Filing date Title
CN112031715A Multipurpose hydrological hole of vertical shaft and construction method thereof
CN111852483A Inclined shaft freezing construction process and inclined shaft freezing system
CN111825185A Method for treating slime water based on polyacrylamide
CN111576064A Wire rope sleeve inserting and weaving device and using method
CN111502746A Vertical shaft sand and stone lowering device
CN111502670A Vertical shaft concrete cement discharging system
CN110966038A Gas collecting and water draining device for vertical shaft extraction
CN110788546A Quick processing of arc template is to fetal membrane equipment
CN110482968A One kind being used for the working extended slurry of freeze-wellboring
CN110386793A A kind of low dehydration high fluidity cement slurry of extra retarded set
CN110130380A A kind of shallow water locating depth foundation pit ramp trench excavation method
CN109940742A A kind of large-section underground concrete-pouring template
CN109838254A A kind of mining i beam canopy
CN111607998A Method for manufacturing steel wire rope head
CN111456652A Anchor rod drilling guiding and positioning device
CN109630179A The permanent fore shaft of return air shafts and wind cave piling wall combined construction method
CN109333431A Flange bolt fastening assists supporting tool
CN111257504A Gas detection device for underground roadway of mine
CN108756740A Moving guide rail formula core drilling rig
CN108798678A Wear tunnel freezing hole construction technique