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HUNAN HUALING LIANYUAN STEEL CO LTD

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    171,707
About

HUNAN HUALING LIANYUAN STEEL CO LTD has a total of 21 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, environmental technology and machine tools are XINGTAI IRON & STEEL CO LTD, NANYANG HANYE SPECIAL STEEL CO and BAOSTEEL SPECIAL STEEL LONG PRODUCTS CO LTD.

Patent filings in countries

World map showing HUNAN HUALING LIANYUAN STEEL CO LTDs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing HUNAN HUALING LIANYUAN STEEL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liao Zhi 6
#2 Wang Shende 5
#3 Xu Gangjun 5
#4 Zhou Mingwei 5
#5 Xiao Zunhu 5
#6 Zeng Bin 4
#7 Xiao Aida 4
#8 Mingwei Zhou 4
#9 Haohong Wu 3
#10 Xie Shizheng 3

Latest patents

Publication Filing date Title
CN106319350A Rolling and heat treatment production method of high-strength steel 900MPa-grade in yield strength
CN106498296A A kind of manufacture method of yield strength 1100MPa level high-strength steel
CN106048129A Converter high-carbon low-phosphorous end-point control metallurgy method under condition of phosphorous molten iron in blast furnace
CN105798252A Continuous casting stop-casting blank tail discharge and top sealing method
CN105695661A Method for smelting Q235B steel through CSP (compact strip production) line
CN104525575A Hot rolled strip steel coiler side guide deviation correction control method
CN104328350A Hardened and tempered steel with yield strength of 960MPa level and manufacturing method of hardened and tempered steel
CN104264052A Steel plate for engineering machinery and production method of steel plate
CN103924037A HRB400 hot-rolled reinforcement bar production technology
CN103361542A Wheel steel smelting process
CN103157658A Process of rolling stainless steel coil in conventional hot continuous rolling production line
CN102798144A Handheld insulative discharging combustible gas igniter
CN102634807A Acid-washing method for common carbon steel/semi-process electrical steel with thickness of 3.0-6.0mm
CN102653836A Manufacturing method of X70 pipeline steel hot rolled steel roll
CN102251095A Automatic control device of soaking pit cooling air
CN102189111A Roll gap lubricating method for producing ultrathin hot rolling strip steel with semi-endless rolling technology
CN102069092A Method for producing hot rolling strip steel of 0.6-0.8mm
CN101343677A Process for manufacturing low-silicon low-carbon deep punching/drawing steel
CN101348843A Method for producing hot rolled steel strip for automotive frame
CN101412038A Method for producing metallic titanium plate using medium-wide strip hot rolling machine set