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SHANXI JINCHENG ANTHRACITE CM

Overview
  • Total Patents
    317
  • GoodIP Patent Rank
    6,642
  • Filing trend
    ⇧ 10.0%
About

SHANXI JINCHENG ANTHRACITE CM has a total of 317 patent applications. It increased the IP activity by 10.0%. 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, packaging and shipping and measurement are GAO JIUHUA, CHAI ZHAOXI and XIAN SHANGUANG ENERGY TECH CO LTD.

Patent filings in countries

World map showing SHANXI JINCHENG ANTHRACITE CMs patent filings in countries
# Country Total Patents
#1 China 317

Patent filings per year

Chart showing SHANXI JINCHENG ANTHRACITE CMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Wei 29
#2 Qin Yuxia 28
#3 Liu Liangliang 28
#4 Zhang Yongcheng 28
#5 Zhang Jianghua 28
#6 Li Dehui 27
#7 Xu Yun 27
#8 Bai Yang 27
#9 Wang Yue 26
#10 Chang Huizhen 21

Latest patents

Publication Filing date Title
CN112239027A Flat-bottom coal silo
CN112145224A Mining area coal seam roof multi-branch horizontal well construction method
CN112145132A Well drilling method for extracting coal bed gas of adjacent closed goaf group
CN112145131A Method for extracting coal-bed gas well in inclined coal-bed goaf
CN112165149A Photovoltaic and gas complementary power generation direct current drive oil pumping machine system
CN112212049A Negative pressure automatic water drainage device for gas drainage pipeline
CN112145467A Controllable fan reactive compensation frequency conversion starting drive of output amount of wind
CN112112559A Method for segmented grouting of same grouting hole of underground mining face collapse column roadway
CN111878156A Micro L-shaped long-life anti-damage well body structure of mining well and well drilling method thereof
CN111927399A Coal mine mining area gas extraction method
CN111946308A Coal reservoir and underlying goaf coalbed methane layered pressure control combined extraction method
CN111946343A Method for solving hard top plate collapse problem through ground vertical hole composite jet fracturing
CN111946307A Method for layered pressure control combined extraction of coal bed gas of goaf and underlying coal reservoir
CN111927524A Underground mine dust efficient purification treatment device
CN111878040A Pressurized liquid injection system and method for coal-bed gas well
CN111894548A Coal-bed gas well coal dust prevention and drainage metering system and drainage metering and coal dust prevention method
CN111767616A Method for determining length and set parameters of steel strip of welded spiral pipe
CN111443055A Method for detecting benzoic acid in coal biodegradation product
CN111101998A Method for intercepting gas extracted from directional long drill hole
CN111022110A Method for controlling gas in one-end roadway of wind-cut driving working face during mine windward period