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HUAINAN MINING INDUSTRY GROUP

Overview
  • Total Patents
    371
  • GoodIP Patent Rank
    5,631
  • Filing trend
    ⇧ 56.0%
About

HUAINAN MINING INDUSTRY GROUP has a total of 371 patent applications. It increased the IP activity by 56.0%. Its first patent ever was published in 2005. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, packaging and shipping and machine tools are GUIZHOU PANJIANG REFINED COAL, HUAINAN MINING IND (GROUP) CO LTD and SHANDONG TANGKOU COAL MINING CO LTD.

Patent filings in countries

World map showing HUAINAN MINING INDUSTRY GROUPs patent filings in countries

Patent filings per year

Chart showing HUAINAN MINING INDUSTRY GROUPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Wenjie 18
#2 Wang Chuanbing 11
#3 Yu Yan 11
#4 Zhang Chuijin 11
#5 Zhang Kun 11
#6 Bai Yunfei 10
#7 Tong Bi 10
#8 Shi Dezhou 10
#9 Li Yanqing 10
#10 Zhu Chuanshen 9

Latest patents

Publication Filing date Title
CN112282651A Downhole drilling and sealing tool and water drainage construction method
CN112174446A Domestic sewage phosphorus removal device
CN112177595A Improved probe tube device
CN112284673A Inclined roadway fire disaster analog simulation test device and test method
CN111994488A Composite type product bin commercial coal wall hanging cleaning method
CN111958219A Belt replacing method of button sewing belt conveyor
CN111894032A Vertical shaft derrick foundation embedded casing support assembly, manufacturing method and application
CN111980603A Coal seam long-drill-hole drilling water-feeding sediment coal slag discharging system and sediment discharging method
CN111963250A Borehole gas extraction negative pressure detection device and detection method
CN111825155A Comprehensive treatment method for defluorination of mine water and desulfurization of boiler room
CN111807290A Large equipment jacking and moving device and method
CN111773802A High-pressure water compression-resistant filtering method
CN111776926A Mine cradle replacing device and replacing method thereof
CN111773801A High-pressure water compression-resistant filtering device
CN111894513A Underground layering reinforcing method for badly-closed drill hole
CN111871642A Automatic wheel set painting device
CN111889262A Wheel set painting method
CN111751172A Goaf gas multi-parameter monitoring device and method
CN111747141A Coal loading system and loading method thereof
CN111750175A Simple secondary protection device and protection method for high-pressure rubber hose