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CHINA ENFI ENG CORP

Overview
  • Total Patents
    1,857
  • GoodIP Patent Rank
    1,104
  • Filing trend
    ⇧ 16.0%
About

CHINA ENFI ENG CORP has a total of 1,857 patent applications. It increased the IP activity by 16.0%. Its first patent ever was published in 2006. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets environmental technology, materials and metallurgy and thermal processes are WOOG MANFRED J, YUNNAN YUNTONG ZINC CO LTD and DAYU DONGHONG TIN PRODUCT CO LTD.

Patent filings per year

Chart showing CHINA ENFI ENG CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sun Ninglei 184
#2 Li Min 156
#3 Cao Kefei 149
#4 Chen Xuegang 141
#5 Yan Dazhou 133
#6 Li Dongbo 122
#7 Peng Jianhua 108
#8 Feng Shuangjie 101
#9 Wei Kejian 97
#10 Yao Xin 97

Latest patents

Publication Filing date Title
CN112226841A Preparation method and device of water-soluble polymer/inorganic nano powder composite fiber, lithium ion battery negative electrode material and preparation method
CN112210679A Method for preparing nickel sulfate from nickel hydroxide cobalt
CN112237892A Novel filler microchannel reaction device
CN112226560A Method for reducing content of titanium nitride and/or titanium carbide in slag
EP3816109A1 Method for treating metal-containing solution
CN112284159A Flue gas rapid cooling device
CN112080645A Method and device for recovering zinc oxide and iron from zinc-containing soot
CN111926133A Method and apparatus for smelting iron-based mineral
CN112076625A Cremation tail gas purification system and purification method
CN112076601A Cremation tail gas purification system and purification method
CN112149304A Tailing pond tailing discharging method and device
CN112112340A Large-span archaizing intermittent mountain roof structure
CN112112024A Pavement slab and pavement construction method
CN112131747A Tailing pond safety analysis method and device
CN112239812A Continuous lead smelting device and continuous lead smelting process
CN112253111A Natural caving mining method
CN112125308A Method for preparing titanium carbide
CN112082001A Pipeline supporting device
CN112066139A Energy dissipation pore plate and mounting method thereof
CN112112682A Mine exploitation system with cooperation of ramp and reverse excavation vertical shaft and exploitation method thereof