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WEIHAI TUOZHAN FIBER CO LTD

Overview
  • Total Patents
    58
  • GoodIP Patent Rank
    33,865
  • Filing trend
    ⇩ 54.0%
About

WEIHAI TUOZHAN FIBER CO LTD has a total of 58 patent applications. It decreased the IP activity by 54.0%. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets measurement, textiles and paper and chemical engineering are TEXTILFORSCHUNGSANSTALT KREFEL, HORIBA WORKS CO LTD and WOJSKOWY INST CHEMII I RADIOMETRII.

Patent filings in countries

World map showing WEIHAI TUOZHAN FIBER CO LTDs patent filings in countries
# Country Total Patents
#1 China 58

Patent filings per year

Chart showing WEIHAI TUOZHAN FIBER CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cong Zongjie 18
#2 Zhang Dayong 14
#3 Li Songfeng 14
#4 Huang Daming 13
#5 Zhang Yueyi 11
#6 Chen Dong 11
#7 Liu Yanyan 10
#8 Zou Xiujuan 10
#9 Sha Yulin 9
#10 Wang Wenyi 8

Latest patents

Publication Filing date Title
CN112222972A Grinding high-precision heavy roller device
CN111991980A Single removal multistage recovery method
CN111912733A Method for testing mass fraction of fibers in carbon fiber reinforced nylon plastic
CN111578255A Automatic control system for steam thermal energy field
CN111551048A Circulating cooling device for water for measuring sizing agent content on carbon fiber surface
CN111638112A Preparation method of carbon fiber bundle wire test sample strip
CN111337333A Device and method for preparing carbon fiber multifilament tensile test sample strip
CN111120673A Gate valve
CN110863270A Method for reducing ash content of high-strength polyacrylonitrile-based carbon fiber and application thereof
CN110230130A A kind of high-strength middle modules carbon fibre precursor preparation method
CN110079949A Carbon fibre precursor oils method
CN110079990A Prepare carbon fibre precursor method for washing
CN110095379A The method for testing carbon fiber electrolytic liquid concentration
CN109932231A The quickly method of detection carbon fiber surface ammonium hydrogen carbonate electrolyte
CN109975286A A kind of remaining test method of carbon fiber surface ammonium hydrogen carbonate electrolyte
CN109795063A Casting device is used in large-tow carbon fiber reinforcement
CN109280998A A kind of preparation method of PAN base high-strength and high-modulus type carbon fiber
CN109252250A The carbonization treatment method of polyacrylonitrile-based carbon fibre
CN108426760A The method for preparing carbon fibre composite interlaminar shear strength batten
CN108221075A A kind of spinning liquid and preparation method thereof for improving polyacrylonitrile carbon fiber drawing-off performance