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ZHEJIANG HENGSHENG CHEMICAL FIBER CO LTD TONGKUN GROUP

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    204,698
  • Filing trend
    ⇧ 100.0%
About

ZHEJIANG HENGSHENG CHEMICAL FIBER CO LTD TONGKUN GROUP has a total of 11 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets textiles and paper, macromolecular chemistry and polymers and environmental technology are LANGXI HEXIN CHEMICAL FIBER WEAVING CO LTD, Zhejiang yaxing fibre co ltd and XUZHOU SILK FIBER TECHNOLOGY CO LTD.

Patent filings in countries

World map showing ZHEJIANG HENGSHENG CHEMICAL FIBER CO LTD TONGKUN GROUPs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing ZHEJIANG HENGSHENG CHEMICAL FIBER CO LTD TONGKUN GROUPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Weidong Hu 2
#2 Fei Donglong 2
#3 Deqiang Zhang 2
#4 Zhang Guoping 2
#5 Li Yuanlin 2
#6 Yanlin Sun 2
#7 Yu Hanqing 2
#8 Li Yanlong 2
#9 Dong Xinfeng 1
#10 Gao Jianhua 1

Latest patents

Publication Filing date Title
CN108950775A One-step method brocade ammonia cladding wire technique optimization method
CN109081911A A kind of polyester production device that stablizing dyeing and its production technology
CN107190337A A kind of production method of fancy ring fiber
CN105177783A Production method of low-shrinkage rate dacron complex fiber
CN103599741A Esterification separation tower and manufacturing method thereof
CN103335214A Renovation method for improving acetaldehyde quality by reducing reflux tank liquid level
CN103014884A Online cleaning device and cleaning method for cation POY (pre-oriented yarn) spinning box body
CN102765807A Homogeneous pool esterification water treatment system and treatment method
CN102650079A Long-distance conveying method and system of melt direct spinning
CN102605443A Cleaning method of cationic partially oriented yarn (POY) spinning box
CN102071480A Method for producing POY of tight heavy fleece