Learn more

LI XIANGQING

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    50,336
  • Filing trend
    ⇧ 12.0%
About

LI XIANGQING has a total of 33 patent applications. It increased the IP activity by 12.0%. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, chemical engineering and macromolecular chemistry and polymers are SHANGHAI GEAR PLASTIC CO LTD, JIANGSU XINGYA MARINE VALVE CO LTD and QINGDAO HUAGUAN VALVE CO LTD.

Patent filings in countries

World map showing LI XIANGQINGs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing LI XIANGQINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Xiangqing 33
#2 Shen Kaihua 4
#3 Ren Binbin 3
#4 Li Wenzhong 2
#5 Sun Qi 2
#6 Xu Zhenliang 2
#7 Wei Yongming 2
#8 Li Shuang 1
#9 Zhou Bingwu 1
#10 Yang Hu 1

Latest patents

Publication Filing date Title
CN112032324A Metal butterfly valve
CN112032325A Bidirectional sealing butterfly valve
CN111895127A Water hammer-proof ball valve
CN111895146A Water hammer-proof check valve
CN111765266A Industrial ball valve
CN111765267A Leak-proof ball valve
CN111765268A Anti-sticking ball valve
CN111457123A Pipeline ball valve
CN111396602A Explosion-proof inflation valve
CN111219524A Pilot-operated stop valve
CN109253268A A kind of band gear-box regulating valve and its application method
CN109163105A A kind of double stub shaft regulating valve and its assembly method
CN109058486A A kind of more valve rod regulating valves
CN108692054A A kind of valve seat protection against erosion ball valve
CN108547965A A kind of application method of ball valve
CN108591514A A kind of protection valve seat ball valve
CN108591516A A kind of application method of anti-wear ball valve
CN108591515A A kind of double stub shaft control ball valve
CN108626427A A kind of application method of double stub shaft control ball valve
CN107902630A The production equipment and production technology of a kind of high-purity hydrogen peroxide