Learn more

LONGKOU MINING GROUP CO LTD

Overview
  • Total Patents
    173
  • GoodIP Patent Rank
    9,966
  • Filing trend
    ⇩ 25.0%
About

LONGKOU MINING GROUP CO LTD has a total of 173 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, packaging and shipping and mechanical elements are BRAND JOSEF, YANZHOU COAL MINING CO LTD and XINWEN MINING GROUP CO LTD HUAFENG COAL MINE.

Patent filings in countries

World map showing LONGKOU MINING GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 173

Patent filings per year

Chart showing LONGKOU MINING GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ren Yaoxi 28
#2 Zhou Jingkui 13
#3 Jiang Zuohua 10
#4 Li Xiao 10
#5 Niu Yipeng 10
#6 Ding Guoli 10
#7 Liu Panlong 9
#8 Dong Huaxu 9
#9 Wang Tao 8
#10 Ma Ditao 7

Latest patents

Publication Filing date Title
CN111794758A Design and application of blasting presplitting roadway
CN111918493A Remote controller for preventing misoperation of underground switch machine
CN111810206A Soft rock expansion area large-section chamber floor heave anchoring and grouting control method
CN111779484A Under-construction filling mining process under geological conditions of three-soft coal seam
CN111960079A Automatic belt starting method based on load video time three-level control
CN111911235A Hydraulic single prop management method
CN111846843A Belt conveyor scram protection stay cord anticreep device
CN111779459A Electronic continuous type drilling trajectory detector pusher
CN111953127A Colliery electromechanical device motor wiring connection protection device
CN111810231A Waste rock does not rise well and fills belt feeder
CN111977255A Belt feeder belt pressing device suitable for heavy grade
CN111794791A Soft rock broken roadway boneless perfusion support method
CN111927789A Automatic cooling device of immersible pump
CN111874562A Multifunctional protection device for belt conveyor
CN111794750A Coal and oil shale combined mining safety withdrawal method
CN111927436A Hydraulic reciprocating type drilling track detector pushing device
CN111977254A Automatic deviation correcting device for belt storage bin of belt conveyor
CN111853399A Fast and safe underground liquid-injection-state CO2Pipeline connecting device
CN111810237A Self-moving cable bridge
CN111894662A Anchor hook type anti-falling rope conveying slideway rope supporting hook