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QIDONG COAL MINE ANHUI HENGYUAN COAL ELECTRICITY GROUP CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    196,758
About

QIDONG COAL MINE ANHUI HENGYUAN COAL ELECTRICITY GROUP CO LTD has a total of 11 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets civil engineering are ACHISAJSKIJ POLIMETALLICHESKIJ, SOLDATOV VLADIMIR and PROIZV OB ARMTSVETMET N.

Patent filings in countries

World map showing QIDONG COAL MINE ANHUI HENGYUAN COAL ELECTRICITY GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing QIDONG COAL MINE ANHUI HENGYUAN COAL ELECTRICITY GROUP CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Safety devices

Top inventors

# Name Total Patents
#1 Ma Yan 3
#2 Li Kang 3
#3 Liu Xijun 2
#4 Fu Xiang 2
#5 Chen Hui 2
#6 Wang Liang 2
#7 Wang Qingchao 1
#8 Sun Chuanjun 1
#9 Gao Haiqing 1
#10 Sui He 1

Latest patents

Publication Filing date Title
CN105157934A Bundle tube monitoring positive pressure drainage and negative pressure leak detection system
CN105201545A Filtering and fire inhibiting device for coal mine gas extraction pipeline
CN105173518A Lining type vibrating coal conveying chute
CN104228870A Excessive inclined roadway trailer number prevention system
CN104234747A Groove type ground roll frame device
CN103207954A Coal mine coordinate calculator
CN103225492A Long-distance belt pressure hole sealing method of gas extracting drill hole
CN102698639A Pneumatic stirring and grouting barrel
CN102699204A One-step forming die for pallet of anchor rod
CN102704964A Quick loading device for dismantling whole support in fully mechanized mining face
CN102707125A Feed switch power-off automatic alarm equipment and method thereof