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ZIBO WANGZHUANG COAL MINE

Overview
  • Total Patents
    12
About

ZIBO WANGZHUANG COAL MINE has a total of 12 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and materials and metallurgy are PRZED MATERIALOW IZOLACJI BUDO, DIAMO and TINGGUO LIU.

Patent filings in countries

World map showing ZIBO WANGZHUANG COAL MINEs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing ZIBO WANGZHUANG COAL MINEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jianxin Shi 6
#2 Shi Jianxin 6
#3 Wang Xianghong 5
#4 Liu Shujiang 4
#5 Wang Wei 4
#6 Han Jiyu 4
#7 Wang Deliang 4
#8 Li Zhipei 4
#9 Cui Yunde 3
#10 Song Yuxi 3

Latest patents

Publication Filing date Title
CN102400700A Moveable type mechanical seal filling exploitation bracket
CN102101788A Red mud-based fluid swelling filling material
CN102101790A Tailing-based fluid swelling filling material
CN102101789A Eolian sand-based fluid expansion filling material
CN102011588A House pillar type cutting and filling method of medium coal seam for controlling movement deformation of overlying rock
CN102011611A Strip-type filling method of high water-swelling material for controlling movement and deformation of overlying strata
CN101749020A Forward coal mining by filling method
CN101792291A High-water expansion filling material
CN101757974A Grading method for recovering refined coal from coal slime