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RIZHAO STEEL HOLDING GROUP CO LTD

Overview
  • Total Patents
    140
  • GoodIP Patent Rank
    10,527
  • Filing trend
    ⇧ 217.0%
About

RIZHAO STEEL HOLDING GROUP CO LTD has a total of 140 patent applications. It increased the IP activity by 217.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, machine tools and surface technology and coating are YUNNAN DESHENG IRON AND STEEL CO LTD, HBIS GROUP HANSTEEL CO and ANYANG IRON & STEEL CO LTD.

Patent filings in countries

World map showing RIZHAO STEEL HOLDING GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 140

Patent filings per year

Chart showing RIZHAO STEEL HOLDING GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Fuliang 14
#2 Bao Zhenzhen 14
#3 Zhao Rui 13
#4 Liu Honglei 12
#5 Yu Yao 12
#6 Zhu Jingtao 11
#7 Wei Daibin 11
#8 Xie Jibiao 11
#9 Liang Zongren 10
#10 Chen Liang 10

Latest patents

Publication Filing date Title
CN112229197A Method and device for drying fire clay in process of quickly replacing upper nozzle of steel ladle
CN112226672A Method for producing anti-aging low-carbon steel by adopting ferrite rolling process
CN112213662A High-voltage cable single-phase earth fault judgment device and method
CN112281051A 690 MPa-grade hot-rolled wheel steel with thickness of more than 10mm and manufacturing method thereof
CN111926261A High-strength weathering steel with yield strength of 550MPa and production method thereof
CN112058910A Production method for improving rolling stability of thick pipeline steel
CN111979483A Method for producing Q345R steel plate by using conventional hot rolling production line
CN111925148A Composite admixture for cement and concrete production and preparation method thereof
CN111790751A Continuous flattening method for 700 MPa-level thin-specification hot-rolled high-strength steel
CN111892961A Fuel additive for sintering process
CN111780884A Frequency converter alarm method capable of setting temperature
CN111766779A Converter gas and natural gas mixed heat value ratio stable control method
CN111947395A Large-scale empty centrifugal air compressor machine system of using that divides
CN111607739A Low-cost HIC (hydrogen induced cracking) -resistant and SSC (sulfide stress cracking) -resistant pipeline steel with excellent performance and manufacturing method thereof
CN111760654A But wood shavings shredder of raw materials screening
CN111553035A Method for designing blanking opening degree of hot-base galvanized square tube pipe
CN111534761A SWRCH35K hot-rolled wire rod for fire-fighting fish tail bolt and production method thereof
CN111664470A Automatic energy-saving combustion control system and equipment for hot blast stove
CN111318336A Process and device for producing slag micro powder based on horizontal roller mill production line
CN111254374A Zinc-flower-free hot-dip galvanized sheet process