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CHANGCUN COAL MINE SHANXI LUAN ENV ENERGY DEV CO LTD

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    53,481
  • Filing trend
    ⇧ 240.0%
About

CHANGCUN COAL MINE SHANXI LUAN ENV ENERGY DEV CO LTD has a total of 30 patent applications. It increased the IP activity by 240.0%. 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, control and computer technology are CCTEG SHENYANG RES INST, SHENYANG INST COAL BRANCH GROUP LTD and CHEXPLOR RESOURCE EXPLORATION TECH CO LTD.

Patent filings in countries

World map showing CHANGCUN COAL MINE SHANXI LUAN ENV ENERGY DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 30

Patent filings per year

Chart showing CHANGCUN COAL MINE SHANXI LUAN ENV ENERGY DEV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bai Lu 20
#2 Fan Hongbin 14
#3 Lu Zhigang 12
#4 Gao Fuping 12
#5 Xing Meng 9
#6 Li Hongtao 7
#7 Han Shiyong 7
#8 Yang Chao 6
#9 Li Gang 6
#10 Zhang Daming 6

Latest patents

Publication Filing date Title
CN110847950A Water-coal separation system and separation method
CN111379585A Method for managing gas buried pipe on upper corner of fully mechanized coal mining face
CN111005763A Coal mine underground sealing wall and preparation method thereof
CN110898359A Goaf gas injection fire prevention and extinguishing system and fire prevention and extinguishing method
CN110700879A Fixing device and fixing method for gob-side entry retaining roadside filling bag
CN110641834A Colliery anchor rope conveyer
CN109912246A The method that N,N-dimethylformamide excitation coal oil clinker prepares early strength concrete
CN109809830A A kind of foam filling material and preparation method thereof containing modified magnesium powder
CN109448488A Mine exogenous fire accident virtual emulation and emergency escape training method and system
CN109343599A A kind of auxiliary shaft hoisting main motor electronic temperature controller
CN109404042A A kind of mining automatic drainage device
CN109577981A A kind of high seam pillar recovery method
CN109918698A A kind of method, apparatus, equipment and the storage medium of determining bump transition energy
CN109918697A A kind of prediction technique and device of Rock Burst intensity
CN109555502A A kind of antireflective type approval test method of high methane coal road presplitting
CN109933831A Press to a kind of determining intense impact the method, apparatus and storage medium of transition energy
CN109918696A A kind of classification method and device of bump strength grade
CN109598029A One kind being applied to high methane coal road CO2The design method of high pressure gas fracturing
CN109630171A A method of along top tunnel along backplane relieving roadway floor lift control
CN109441523A A kind of wooden permanent air throttle of external hanging type resistance to compression and its erection method