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LONGNAN LONGYI HEAVY RARE EARTH TECH CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    71,074
  • Filing trend
    ⇩ 100.0%
About

LONGNAN LONGYI HEAVY RARE EARTH TECH CO LTD has a total of 23 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, surface technology and coating and environmental technology are ROCKCHECK STEEL GROUP CO LTD, INTERNAT METAL PRODUCTS COMPANY and FANCHANG TIANHE MACHINERY CO LTD.

Patent filings in countries

World map showing LONGNAN LONGYI HEAVY RARE EARTH TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing LONGNAN LONGYI HEAVY RARE EARTH TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Fusheng 23
#2 Yang Qing 23
#3 Liao Zhijin 21
#4 Zhang Caigan 9
#5 Zhong Weichang 8
#6 Ou Ruping 8
#7 Zhu Jingling 4
#8 Wen Zhihua 4
#9 Yang Yupeng 4
#10 Xu Le 4

Latest patents

Publication Filing date Title
CN111926258A High-strength and high-toughness yttrium aluminum reinforced manganese steel and smelting process thereof
CN112195304A Core-spun yarn containing rare earth crystallizer pre-melted slag and application thereof
CN111609713A Adjustable feeding device and adjusting method thereof
CN111618525A Alignment device for welding of false electrode and alignment method thereof
CN111439628A Core-spun yarn clamping and conveying device
CN111440978A Lanthanum-cerium-yttrium-magnesium intermediate alloy and preparation method thereof
CN111101061A Electroslag remelting ingot for hot-work die steel and manufacturing method thereof
CN110964961A High-strength high-corrosion-resistance magnesium alloy and preparation process thereof
CN110938746A Wire feeding device and electroslag furnace with same
CN111041157A Electroslag furnace wire feeding method
CN110777231A Vacuum furnace wire feeding device
CN110846687A Mg-Zn-Zr intermediate alloy and preparation method thereof
CN111020379A Rare earth composite reinforced hot-rolled steel bar and preparation method thereof
CN110773722A Vacuum furnace cooling mold device
CN110904469A Method for producing rare earth intermediate alloy by continuous suspension electrolysis and application thereof
CN110760893A Continuous suspension type electrolysis device
CN110205441A A kind of lid packet mode line feeding station
CN110170623A A kind of circle cast molding mold
CN108080573A A kind of casting die with replaceable transition chute
CN108085460A A kind of feeding wire machine core-spun yarn wire inlet guide device