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LIU QINGYU

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    146,878
  • Filing trend
    0.0%
About

LIU QINGYU has a total of 13 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1997. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, chemical engineering and materials and metallurgy are GEO40 LTD, KOTOBUKI HOLDINGS CO LTD and JIANGXI TONGGU NONFERROUS METALLURGICAL CHEMICAL CO LTD.

Patent filings in countries

World map showing LIU QINGYUs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing LIU QINGYUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Qingyu 10
#2 The Inventor Has Waived The Right To Be Cited 1

Latest patents

Publication Filing date Title
CN109351212A A kind of polysulfone ultrafiltration membrane and its application in drink water purifying, reusing sewage field
CN109433031A A kind of poly (ether-sulfone) ultrafiltration membrane and its application in haemodialysis field
CN109433028A A kind of polyamide reverse osmose membrane and its application in field of seawater desalination
CN107715831A One kind is used to remove CO in admixture of gas2Adsorbent and preparation method thereof
CN107697924A A kind of decarburization adsorbent and preparation method thereof
CN107512724A One kind is used to remove CO in admixture of gas2Silica zeolite
CN105692909A Application method of black odorous river water purifying agents
CN105692762A Fishpond pollution bamboo charcoal purification technique
CN105540580A Bamboo charcoal activity regeneration technology
CN105580547A Matrix grid rod-insertion sowing combination method for city flowers
CN105331524A Bottom feeding and discharging stirring device for urban fermentable refuse biogas digester
CN105316365A Technology for generating power by urban fermentable garbage biogas and returning to field by biogas manure
CN1220117A Llex kudingcha tea cold product