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CHINA COAL FIRST CONSTRUCTION CO LTD

Overview
  • Total Patents
    32
  • GoodIP Patent Rank
    104,935
  • Filing trend
    ⇩ 100.0%
About

CHINA COAL FIRST CONSTRUCTION CO LTD has a total of 32 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machine tools and packaging and shipping are CHINA RAILWAY 13TH BUREAU GROUP CO LTD, SHANDONG TANGKOU COAL MINING CO LTD and JIANGSU RUICHENG MACHINERY CO LTD.

Patent filings in countries

World map showing CHINA COAL FIRST CONSTRUCTION CO LTDs patent filings in countries
# Country Total Patents
#1 China 32

Patent filings per year

Chart showing CHINA COAL FIRST CONSTRUCTION CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Liting 4
#2 Su Yong 3
#3 Yan Zhenbin 3
#4 Xie Hongbo 3
#5 Zhang Yantao 3
#6 Li Tianrong 3
#7 Donglin Yin 2
#8 Zhiqiang Liu 2
#9 Yu Xiaolong 2
#10 Guangming Liu 2

Latest patents

Publication Filing date Title
CN107792766A Extra deep shaft big weight head and the tail are restricted anti-rotational installation method and its anti-rotation device
CN107795315A Determination of coal seam gas pressure device and its method for measuring gas pressure of coal bed under the participation of coal mine shaft lining pit shaft hydraulic pressure
CN107355257A The permanent traverse point of underground mine use and installation method
CN107060769A Shaft inset people's row detours template
CN106735966A A kind of pitshaft reinforcing bar slag anti-splashing shield
CN106321139A Mobile dustproof water curtain
CN105781430A Device for cleaning deposit in pipeline
CN106545704A Fully-mechanized mining working assembles and disassembles pipeline support soon
CN105081095A U-type connection plate machining device of hanging scaffold
CN105499723A Steel bar machine rotator
CN105014574A Clamping device for quick separation of fluid coupling
CN104816979A Steel rope winding machine
CN104612694A Handling method of freezing pipe in chamber
CN104481560A Roadway roof aquifer treatment method
CN104229631A Double-wall small template hoister of vertical well
CN104162732A Method for welding box-type steel beam through submerged-arc welding
CN103658285A Hoop forming device
CN103696775A Large-stage-height multi-group water-containing layer segmented downward grouting method
CN103643850A Air and water linkage wet dust removal fan
CN103615198A Construction method for using parallel double-mast half-turning method to hoist large box type derrick