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LIZIYA SOUTH COAL MINE OF SICHUAN HUAYINGSHAN COAL INDUSTY CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    187,056
About

LIZIYA SOUTH COAL MINE OF SICHUAN HUAYINGSHAN COAL INDUSTY CO LTD has a total of 11 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets civil engineering are HIRO CORP KK, FOURTH ENGINEERING CO LTD OF CHINA ZHONGTIE MAJOR BRIDGE ENGINEERING GROUP and JASPER KARL THEODOR.

Patent filings in countries

World map showing LIZIYA SOUTH COAL MINE OF SICHUAN HUAYINGSHAN COAL INDUSTY CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing LIZIYA SOUTH COAL MINE OF SICHUAN HUAYINGSHAN COAL INDUSTY CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Shafts

Top inventors

# Name Total Patents
#1 Li Zhengjun 11
#2 Qin Yunwen 11
#3 Yang Mingping 9
#4 Deng Zhixue 9
#5 Zheng Xiaojun 7
#6 Liu Fuan 2
#7 Wang Jianxin 2
#8 Fu Minghua 2
#9 Zhuo Jun 1
#10 Wan Longwen 1

Latest patents

Publication Filing date Title
CN104314598A Shield support and support method for bow pseudo-inclined fully mechanized coal mining face
CN104213929A Large-inclination-angle coal bed fully-mechanized mining bracket and support method
CN104234733A Overlook inclined fully mechanized coal mining face supporting method and shield support frame
CN105178992A Temporary supporting method and apparatus for open-off cut excavation in fully-mechanized coal face of steep coal seam
CN103993883A Sharp inclined coal seam flexible shield support mining method
CN104110259A Steeply inclined seam fully mechanized mining face through cut rock discharge hole wall reinforcing method and apparatus thereof
CN103470292A Coal roadway rapid excavation temporary supporting system and supporting method applying same
CN103388477A Cutting method for creating open-off cut in fully mechanized mining face of steep coal seam and supporting device therefor
CN103306694A Cantilever support method and device for heavy-pitch soft coal seam in roadway excavation
CN103174446A Inter-support waste rock blocking method and inter-support waste rock blocking device used for coal mine fully-mechanized coal mining working surface
CN103233758A Method for increasing bracket adjustment height in fully mechanized mining face and hydraulic bracket