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LI QINGHUI

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    143,681
About

LI QINGHUI has a total of 21 patent applications. Its first patent ever was published in 1994. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, audio-visual technology and telecommunications are BEIJING BOHUITE ENVIRONMENTAL TECH CO LTD, FU HUI and SCIMEE TECH & SCI CO LTD.

Patent filings in countries

World map showing LI QINGHUIs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Li Qinghui 20
#2 Zhang Xichen 7
#3 Li Qinghui Li 1
#4 Shan Haiying 1
#5 Li Qiang 1
#6 Lin Xiangui 1
#7 Feng Yuhua 1
#8 Gao Zhenping 1

Latest patents

Publication Filing date Title
CN111990369A Can wash outdoor mosquito killer that gardens of formula used
CN111631518A Landscape uses multi-functional stone table
CN111137939A Activated carbon adsorption electrified regeneration sewage treatment equipment and recovery method
CN111137932A Automatic cleaning device for grating
CN111137978A Water distribution device
CN111115794A River sewage treatment device and method
CN111115819A Synchronous nitrification and denitrification biological filter
CN111115818A Synchronous nitrification and denitrification MBBR sewage treatment equipment and method
CN111204875A River course black and odorous water body treatment device and method based on mbbr process
CN111229101A Building construction equipment suitable for big or small stone material granule mixes usefulness
CN109640152A Control method for playing back, device, storage medium and electronic equipment
CN109829357A Expression scribble method, apparatus, storage medium and electronic equipment based on recognition of face
CN103555339A Soil solidifying agent with high water-resistance and application thereof
CN103465530A Composite steel wire used as reinforcing skeleton
CN103386907A Automobile seat
CN103102950A Hydroisomerization physical separation system for non-standard component oil of petroleum
CN103102973A Hydrogenated decomposition and separation system for intermediate composition oil of petroleum
CN1891788A Biodiesel utilization catalyst exchange physical preparing process
CN1504919A Electronic memorial instantaneously generating system and method
CN1213693A Prepn. and using method of heavy residuum synthetized catalyst