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HENAN ZHONGYUAN GOLD SMELTERY CO LTD

Overview
  • Total Patents
    38
  • GoodIP Patent Rank
    57,511
  • Filing trend
    ⇩ 33.0%
About

HENAN ZHONGYUAN GOLD SMELTERY CO LTD has a total of 38 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, environmental technology and thermal processes are PLASMA PROCESSING CORP, JIANGXI XINJINYE IND CO LTD and ALTEK EUROP LTD.

Patent filings in countries

World map showing HENAN ZHONGYUAN GOLD SMELTERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 38

Patent filings per year

Chart showing HENAN ZHONGYUAN GOLD SMELTERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Peng Guomin 20
#2 Zhang Fuyuan 13
#3 Li Xiaoheng 13
#4 Liao Zhongyi 11
#5 Guo Yingang 10
#6 Zu Xiaofeng 8
#7 Tian Jing 7
#8 Chen Junhua 6
#9 Huang Pingfeng 6
#10 Chang Xinsuo 5

Latest patents

Publication Filing date Title
CN111619852A Bundling device for electrolytic copper residual electrode stack
CN111235396A Wet processing method for copper smelting acid making sludge
CN111233501A Tuyere brick core for conveying redox gas in operation process of copper smelting anode refining furnace and preparation method thereof
CN110777260A Wet processing technology for preparing simple substance arsenic
CN110453073A A method of recycling lead from copper pyrometallurgy flue dust acid leaching residue
CN110438340A A method of for handling the binder of Kaldo Furnace system cigarette ash and handling Kaldo Furnace system cigarette ash using it
CN108728666A A kind of gland-type smelting furnace
CN109020516A A kind of baking of Novel free can repair chute
CN109055780A A kind of method of iron sulfonium processing pyrometallurgical smelting acid making system spent acid containing arsenic
CN109061095A A kind of full automatic high efficiency cupel machine and the method for producing cupel
CN108034821A A kind of wet processing process of earth of positive pole smelting slag
CN107746975A A kind of method that high content chlorine oxygen bismuth is reclaimed in the flue dust acid leaching residue from Copper making
CN107858519A A kind of comprehensive processing technique of Copper making flue dust and arsenic sulfide slag
CN107201536A A kind of novel electrolytic bath sludge drainage system and its method
CN106947870A A kind of expanded roasting alkali leaching deselenization tellurium method of rare precious metal concentrate
CN107502753A A kind of method of Copper making white cigarette dirt acid leaching-extraction removal of impurities
CN106834705A A kind of method of copper smelting by pyrometallurgy white cigarette dust resources comprehensive utilization
CN106834704A A kind of white cigarette dirt valuable metal recovery and the method for harmless treatment
CN106702168A Method for removing arsenic by pyrogenic process nonferrous metallurgy of white smoke
CN106544513A A kind of method of copper smelting by pyrometallurgy white cigarette dirt valuable metal recovery