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HUAINAN MINING IND (GROUP) CO LTD

Overview
  • Total Patents
    109
  • GoodIP Patent Rank
    13,070
  • Filing trend
    ⇩ 100.0%
About

HUAINAN MINING IND (GROUP) CO LTD has a total of 109 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, packaging and shipping and transport are HUAINAN MINING INDUSTRY GROUP, YONGCHENG COAL & ELECTRICITY HOLDING GROUP CO LTD and GUIZHOU PANJIANG REFINED COAL.

Patent filings in countries

World map showing HUAINAN MINING IND (GROUP) CO LTDs patent filings in countries
# Country Total Patents
#1 China 109

Patent filings per year

Chart showing HUAINAN MINING IND (GROUP) CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Linqing 8
#2 Wang Jian 7
#3 Hou Junling 7
#4 Li Dewei 7
#5 Ru Cen 7
#6 Tong Bi 6
#7 Hou Lixin 6
#8 Wang Chuanbing 5
#9 Li Yue 5
#10 Zhao Xianfa 5

Latest patents

Publication Filing date Title
CN111197497A Rock cross-cut coal uncovering high-pressure hydraulic punching comprehensive permeability increasing method
CN111119886A Shovel plate of development machine
CN107191224A One kind slips coal（Cash）Eye Pneumatic protective device
CN107178390A A kind of moving lift type coal mine gob filling device
CN107201892A Layer-through drilling hydraulic slotted liner technique device and hydraulic slotted liner technique method
CN107215621A A kind of drag conveyor
CN107171698A A kind of mine inspection system based on leaky feeder communication
CN107143377A A kind of coal mine safety monitoring system
CN107120135A Movable folding dustproof shade
CN107082235A The tensioning apparatus and tensioning method of a kind of drag conveyor
CN107083931A A kind of dust guard of ground extinction drilling
CN107117526A The mobile device and its moving method of casing elevator
CN107140329A A kind of coal feed bin passage
CN107120127A A kind of remote quick grouting device
CN107060777A One kind repaiies system along empty lane mechanization lane
CN107035392A A kind of hydraulic support fortune is along entering frame installing mechanism and installation method
CN107035396A The formula of moving back tears frame way of escape management method open under a kind of high inclination-angle bottom area fully-mechanized mining working
CN107021319A The tail self-advancing device of belt feeder
CN107020201A A kind of thickener underflow coarse slime recovery system
CN107035339A A kind of method of utilization high pressure chemistry slurry injection technique closure limestone drilling