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HUBEI HEYUAN GASES CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    168,927
  • Filing trend
    0.0%
About

HUBEI HEYUAN GASES CO LTD has a total of 11 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, basic materials chemistry and materials and metallurgy are AIR LIQUIDE JAPAN LTD, MAK JOHN and FLUORITE TECHNOLOGY COMPANY.

Patent filings in countries

World map showing HUBEI HEYUAN GASES CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing HUBEI HEYUAN GASES CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Tao 9
#2 Du Dayan 9
#3 Jiao Wenyi 9
#4 Fang Qiang 3
#5 Huang Wanxiang 2
#6 Yuan Youlu 2
#7 Zhou Jun 2
#8 Liu Longyi 2
#9 He Jie 2
#10 Du Pengju 2

Latest patents

Publication Filing date Title
CN110805829A Nitrogen gas supply device
CN110745797A Argon gas recovery and purification mechanism
CN109297043A The method and system of gas supply are stablized in a kind of low energy consumption
CN109078442A A kind of crystal pulling furnace richness argon tail gas oil removing system
CN107539967A A kind of system for improving synthesis ammonia relief gas purification separation stability and putting forward argon rate
CN107525347A A kind of device for ensureing monocrystalline silicon richness argon tail gas purification high-purity argon gas quality of filling gas
CN106287219A A kind of natural gas liquefaction plant BOG recycling system
CN107261748A The system that a kind of coke-stove gas produces natural gas
CN104988291A System for conducting quenching and cryogenic treatment on steel through liquefied natural gas
CN103418208A Pressure equalizing control method for air purifier
CN103453314A Method for adding rich oxygen in liquid waste treatment process