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ZHENGZHOU YUAN DONG REFRACTORIES CO LTD

Overview
  • Total Patents
    63
  • GoodIP Patent Rank
    28,592
  • Filing trend
    ⇧ 8.0%
About

ZHENGZHOU YUAN DONG REFRACTORIES CO LTD has a total of 63 patent applications. It increased the IP activity by 8.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, machines and basic materials chemistry are ESCOFET E F HIJO SA, ZHENGZHOU DONGFANG ANCAI REFRACTORY CO LTD and ZYTAN THERMOCHEM VERFAHREN.

Patent filings in countries

World map showing ZHENGZHOU YUAN DONG REFRACTORIES CO LTDs patent filings in countries
# Country Total Patents
#1 China 63

Patent filings per year

Chart showing ZHENGZHOU YUAN DONG REFRACTORIES CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Long Zhanwei 59
#2 Ning Benrong 9
#3 Zhao Changshun 6
#4 Li Wanshun 6
#5 Benrong Ning 4
#6 Zhanwei Long 4
#7 Wanshun Li 2
#8 Jianze Miao 2
#9 Li Xiangru 2
#10 Haitao Long 2

Latest patents

Publication Filing date Title
CN112212697A Zirconium corundum electric melting composite insulating brick structure
CN109320130A A kind of fused cast refractories sand mold modified water glass bonding agent and preparation method thereof
CN109534766A A kind of environment-friendly type fused cast refractories riser head heat-preserving coverture and preparation method thereof
CN109456066A A kind of preparation method of flexibility electric arc furnaces sealing thermal insulation material
CN109175219A A kind of waterproof, modifier of easy mold release and its preparation method and application
CN109175215A Modifier and preparation method thereof for dry environment modifying water glass
CN109181422A It is a kind of using fused cast refractories rubbed brick powder as the sand mo(u)ld special coating of main material production
CN108911769A It is a kind of using alumina powder as the sand mo(u)ld special coating of main material production
CN108976919A It is a kind of using fused cast refractories dust-removing powder as the sand mo(u)ld special coating of main material production
CN108789771A A kind of preparation method of hot investment casting fused cast refractories sand mo(u)ld
CN108752022A Zirconia-corundum refractory brick production thermal insulation material production method
CN108658566A A kind of preparation method of the environmentally friendly water-glass sand proximate matter material of zirconia-corundum refractory brick production
CN108145833A The common casting pressing port ring mould of zirconia-corundum refractory brick and riser sleeve production method
CN107877677A Zirconia-corundum refractory brick paving brick continuous casting sand mo(u)ld
CN107856166A A kind of zirconia-corundum refractory brick riser head heat-preserving structure and casting heat preserving method
CN107883760A The automatic flat material device of electric arc furnaces fusing
CN107726857A Electric arc furnace body structure
CN107738188A Universal steady brick platform
CN107718234A A kind of production mould and production method of AZS pin
CN107721398A Fused cast refractories casting incubator positioner