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DATONG COAL MINE GROUP CO LTD

Overview
  • Total Patents
    263
  • GoodIP Patent Rank
    7,943
  • Filing trend
    ⇧ 11.0%
About

DATONG COAL MINE GROUP CO LTD has a total of 263 patent applications. It increased the IP activity by 11.0%. Its first patent ever was published in 2004. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, machines and packaging and shipping are SHAANXI BINCHANG WENJIAPO MINING CO LTD, CARBO STREBBAU GES DR ING VON and XINWEN MINING GROUP CO LTD.

Patent filings in countries

World map showing DATONG COAL MINE GROUP CO LTDs patent filings in countries

Patent filings per year

Chart showing DATONG COAL MINE GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Bin 62
#2 Yang Zhiwen 37
#3 Zhao Jun 34
#4 Guo Jingang 23
#5 Kuang Tiejun 22
#6 Ji Runqing 20
#7 Duan Hongfei 19
#8 Fu Maoquan 18
#9 Meng Xiangbin 18
#10 Chang Xiaohua 18

Latest patents

Publication Filing date Title
CN112232690A Coal machine accessory intelligent monitoring system based on RFID technology
CN112180822A Mining heating system based on graphene carbon fiber electrothermal film
CN112112647A Small coal cleaning machine for mining face transportation roadway
CN112115599A Method for calculating hole spacing of weakened top plate of intensive drilling
CN111982632A Method for simulating weakening zone of roof cutting weakening of coal mine
CN111962412A One-way deceleration strip for underground slope of coal mine
CN111925314A Carbazole and anthracene-based blue host material capable of emitting light from host
CN112031772A Method for inducing overall damage of overlying residual coal pillars by using high-pressure water jet
CN111832506A Remote sensing discrimination method for reconstructed vegetation based on long-time sequence vegetation index
CN111898494A Mining disturbed block boundary identification method
CN111765820A Weak disturbance directional blasting seam-making method for hard top plate
CN111811346A Hydraulic fracturing grooving method based on blasting
CN111794748A Method for cutting hard top plate by composite blasting
CN111810164A Hard roof cutting method based on perforation and hydraulic fracturing
CN111715662A Spontaneous combustion preventing treatment method for gangue
CN111502663A Tunneling method for collapse column in over-stress concentration area
CN111573668A Activated carbon prepared from waste carbonized material powder and preparation method and application thereof
CN111204740A Method for rapidly preparing graphene macroscopic body through self-propagating combustion
CN111037205A Hydraulic support cylinder barrel opening repairing process
CN110994635A Power compensation device