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HENGSHEN CO LTD

Overview
  • Total Patents
    259
  • GoodIP Patent Rank
    5,647
  • Filing trend
    ⇩ 37.0%
About

HENGSHEN CO LTD has a total of 259 patent applications. It decreased the IP activity by 37.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets machines, macromolecular chemistry and polymers and measurement are NANJING JUFENG ADVANCED MATERIALS CO LTD, DALIAN PLASTICS RES INST CO LTD and DAINIPPON PLASTICS.

Patent filings in countries

World map showing HENGSHEN CO LTDs patent filings in countries
# Country Total Patents
#1 China 259

Patent filings per year

Chart showing HENGSHEN CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Yonghong 32
#2 Shan Ruijun 30
#3 Liu Wei 25
#4 Shu Wei 21
#5 Qian Jing 20
#6 Yang Xianwei 18
#7 Qian Hongchuan 18
#8 Jia Pengjun 17
#9 Chen Mingxin 17
#10 Wan Licheng 16

Latest patents

Publication Filing date Title
CN112248470A Carbon fiber warp-knitted fabric product and preparation method and production equipment thereof
CN112249285A Propeller and forming method
CN112048854A Carbon fiber bundle for winding forming and preparation method and application thereof
CN111560666A Pre-oxidation method of polyacrylonitrile-based carbon fiber precursor
CN111674114A High-toughness OOA prepreg and preparation method thereof
CN111501137A Water-based PAN precursor oiling agent containing modified POSS nanoparticles and preparation method thereof
CN111537674A Method for testing impregnation degree of prepreg
CN111562279A Characterization method of skin-core structure of pre-oxidized fiber
CN111442693A Launch canister based on carbon fiber composite base material and manufacturing method
CN111229536A Glue blocking plate for film coating machine
CN111198157A Glue quality testing device
CN111207989A Method for judging whether carbon fiber precursors are doubled
CN111004408A Preparation method of white-point-free fast-curing epoxy prepreg
CN111075829A Hybrid fiber reinforced resin matrix composite material hinge and manufacturing method thereof
CN111086237A Forming method of carbon fiber composite material flow guide shell
CN111086241A Method for manufacturing integrally formed reinforced structural member
CN110759397A Treatment device and treatment method for carbon fiber polymerization waste liquid
CN111055400A Seam-laying prefabricated body base cloth separating device
CN110901106A Manual prepreg cutting device
CN110774674A Fiber-reinforced resin-based prepreg and preparation method thereof