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CHANGZHOU QITONG INT TRADE CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    125,828
  • Filing trend
    ⇩ 100.0%
About

CHANGZHOU QITONG INT TRADE CO LTD has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and electrical machinery and energy are HUA ZEQING, ZHANG JINGFEN and YAN MINGLIANG.

Patent filings in countries

World map showing CHANGZHOU QITONG INT TRADE CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing CHANGZHOU QITONG INT TRADE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Lili 7
#2 Zhang Yonghua 6
#3 Liu Qin 2
#4 Xu Heng 2
#5 Wang Zhilin 2
#6 Xue Yanjing 2
#7 Liu Fang 1
#8 Li Lu 1
#9 Chen Qian 1
#10 Wang Lei 1

Latest patents

Publication Filing date Title
CN109667193A A kind of preparation method of composite papermaking retention agent
CN109763376A A kind of preparation method of Retention Aid in Papermaking
CN107813389A A kind of timber preservative and preparation method thereof
CN107897255A A kind of preparation method for the bread that ferments
CN107714611A A kind of edible toothpaste for children
CN107916421A A kind of preparation method of corrosion resistance magnesium alloy super-hydrophobic surface
CN107936587A A kind of preparation method of bitumen regenerant
CN107188566A A kind of preparation method of titanium diboride cermet
CN107230510A A kind of electrode confinement paste and preparation method thereof
CN107352891A A kind of big-span steel bridge pavement material
CN107175055A A kind of electron ink microcapsule and preparation method thereof
CN107176881A A kind of Water-retaining slow-release fertilizer and preparation method thereof
CN107226710A A kind of preparation method of silica nanometer hole super insulating material