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YUNNAN WENSHAN ALUMINUM CO LTD

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    54,381
  • Filing trend
    ⇧ 20.0%
About

YUNNAN WENSHAN ALUMINUM CO LTD has a total of 30 patent applications. It increased the IP activity by 20.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, chemical engineering and environmental technology are SEAILLES JEAN CHARLES, CARBON CYCLE LTD and KNAUF RES COTTRELL.

Patent filings in countries

World map showing YUNNAN WENSHAN ALUMINUM CO LTDs patent filings in countries
# Country Total Patents
#1 China 30

Patent filings per year

Chart showing YUNNAN WENSHAN ALUMINUM CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hao Hongjie 15
#2 Yan Huaqian 12
#3 Chen Ying 11
#4 Wang Hongguang 11
#5 Liu Dingming 9
#6 Zhu Yangkun 8
#7 Yang Derong 8
#8 Zhao Jiaping 8
#9 Duan Changxiang 7
#10 He Qing 7

Latest patents

Publication Filing date Title
CN109607585A Modified γ-Al2O3And its processing method
CN109626405A Washing lotion recovery system and recovery method three times
CN109809451A Boehmite ageing process PH method of adjustment
CN109607583A The Ageing solution recovery system and recovery method of modified aluminas production technology
CN109574052A The recovery method of sodium aluminate solution filter residue
CN109626404A The washing methods of boehmite
CN109692517A Primary wash liquor recovery system and recovery method
CN108854296A Ammonia absorbs the method with purification in a kind of aluminium ash treatment process
CN108675329A The device and method of raw ore slurry is configured using the circulating mother liquor of import bauxite and alumina producing Bayer process
CN108640137A A kind of method that inertia aluminium ash is handled in aluminium ash treatment process
CN108793213A The method and device of organic matter in aluminium ash sintering process cooperation-removal aluminium oxide mother liquor
CN108585006A A kind of method that in aluminium ash treatment process prepared by activity dissolution and raw material
CN108275707A The method of sodium oxide molybdena in efficient removal alumina producing Bayer process red mud
CN107514621A Molten salt furnace flue gas waste heat recovery system
CN107497171A Filter cloth regenerating unit and carry out filter cloth regeneration method with it
CN107445183A Tube digestion remaining tank gas extraction system
CN107684768A Double-layer leaching net device for ashing melting machine discharge end
CN107514919A Band alkali exhaust steam processing system and method available for dilution trap
CN106267918A Purifier
CN106315640A Method for treating high-evaporation mother liquid in alumina production