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HUNAN JINWANG BISMUTH IND CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    108,059
  • Filing trend
    ⇩ 100.0%
About

HUNAN JINWANG BISMUTH IND CO LTD has a total of 23 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and materials and metallurgy are YUNNAN METALLURG GROUP CO LTD, MANGSHI HAIHUA DEV CO LTD and YUNNAN YONGCHANG PB & ZN CO LTD.

Patent filings in countries

World map showing HUNAN JINWANG BISMUTH IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing HUNAN JINWANG BISMUTH IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Zuxiang 21
#2 Xiao Hui 18
#3 Zhou Jianhua 14
#4 Wang Zhixiong 14
#5 Lu Weihong 10
#6 Cao Yongran 6
#7 Gan Xuelong 5
#8 Li Wenfei 4
#9 Li Chang 4
#10 Jiang Kai 3

Latest patents

Publication Filing date Title
CN107574323A A kind of preparation technology and preparation facilities of used by nuclear reactor lead bismuth alloy
CN107601560A A kind of production technology of five water bismuth nitrate
CN105132956A Continuous purification and impurity removing system for electrolyte
CN105132708A Process method for sufficiently recycling precious metal from copper dross and copper matte
CN105200243A Gold-silver alloy separation and purification technique
CN105219966A The method of the plumbous bismuth material of the two smelting furnace process height zinc of a kind of oxygen-enriched side-blowing bath
CN105331824A Method for recycling bismuth oxide for electrolysis from rough bismuth chloride oxide slag containing impurities
CN105274351A Process for recycling high-purity gold from anode slime through organic reduction method
CN105234424A Process for producing nanometer sliver powder through electric-arc furnace evaporating method
CN105195690A Automatic bismuth ingot casting machine
CN104443971A Warehouse system for preventing whitening color changes of electrolytic lead
CN104328461A Tool capable of cleaning various foreign matter short circuits between cathode and anode of electrolysis bath
CN104328460A Holder
CN104030352A Normal-pressure hydrothermal-method phase inversion method of bismuth oxide
CN104030351A Production method of alpha-bismuth oxide
CN104030353A Normal-pressure hydrothermal-method phase inversion process of bismuth oxide
CN103145184A Process for preparing needle-like bismuth oxide from bismuth by using wet method
CN103060578A Method for smelting lead-bismuth concentrate in oxygen-rich side-blown duplex furnace
CN103011286A Process for producing bismuth subcarbonate with crude bismuth oxide
CN102992401A Process for producing bismuth aluminate by using crude bismuth oxide