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SHENYANG INST COAL BRANCH GROUP LTD

Overview
  • Total Patents
    37
  • GoodIP Patent Rank
    45,869
  • Filing trend
    ⇩ 100.0%
About

SHENYANG INST COAL BRANCH GROUP LTD has a total of 37 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and chemical engineering are ZHEJIANG GUANGLI TECH DEV CO, CHINA COAL TECHNOLOGY ENG GROUP CHONGQING RES INST and ZIBO XIANGLONG DETECTING AND CONTROLLING TECH CO LTD.

Patent filings in countries

World map showing SHENYANG INST COAL BRANCH GROUP LTDs patent filings in countries
# Country Total Patents
#1 China 37

Patent filings per year

Chart showing SHENYANG INST COAL BRANCH GROUP LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Xinghua 9
#2 Zhu Zhao 7
#3 Wang Lei 7
#4 Zhang Bailin 7
#5 Liang Yuntao 7
#6 Wang Haidong 7
#7 Huang Yuxi 5
#8 Gao Hao 5
#9 Zhu Mingliang 5
#10 Jiang Wenzhong 5

Latest patents

Publication Filing date Title
CN106823191A A kind of mining region automatic powder spraying extinguishing device
CN106223996A Super-large diameter coal bed drilling intubates extraction goaf gas technique
CN106223991A Mine air ejectment and water curtain absorb hydrogen sulphide disposal unit and method
CN106153562A The colliery debugging processing method of laser sensor air chamber light path coupling device
CN106437737A Pipe jacking type coal mine small section roadway tunneling method
CN106066261A The sampler of Accurate Determining coal seam gas-bearing capacity and sampling method
CN106194258A Carbon dioxide phase transformation coal seam fracturing device processes the method for coal mine roadway pucking
CN106066309A Methane gas extraction pipeline methane concentration non-contact laser detection device and using method
CN106039966A Coal mine underground machine-mounted type synchronous hydrogen sulfide processing device and method
CN106093338A Down-hole reacting cycle sampling desorption of mash gas process simulation test device and method of testing
CN105758969A Gas chromatograph used under mine and use method
CN105937405A U-shaped ventilation working face goaf full-face curtain nitrogen injection fire preventing and extinguishing method
CN105888624A Carbon dioxide phase-change coal seam cracking guiding perforating device and outburst-preventing and scour-preventing method
CN105422091A Carbon dioxide phase change device for breaking large-lump coal or gangue of underground coal mine and breaking method
CN105414929A Ejection device for pin rolls of hydraulic support and pin ejecting method
CN105401930A Carbon dioxide phase change coal seam fracturing device and utilization method
CN105364770A Pulling-out device of hydraulic support pin shaft and pin pulling method of pulling-out device
CN105401971A Surface and underground combined regional grouting method
CN105401972A Coalbed methane safety extraction intelligent control system and control method
CN104929936A Mining closed-type screw refrigerating compressor