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LIU LIJUAN

Overview
  • Total Patents
    32
  • GoodIP Patent Rank
    49,034
  • Filing trend
    ⇩ 71.0%
About

LIU LIJUAN has a total of 32 patent applications. It decreased the IP activity by 71.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, civil engineering and chemical engineering are SAM HOUSTON STATE UNIVERSITY, SUN XIAOWEI and LIDIC INC.

Patent filings in countries

World map showing LIU LIJUANs patent filings in countries
# Country Total Patents
#1 China 32

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Liu Lijuan 32
#2 Yuan Fuzhen 2
#3 Li Juan 2
#4 Zhang Ning 2
#5 Yang Ming 2
#6 Yang Liqiang 2
#7 Duan Li 2
#8 Chu Liping 2
#9 Liu Meixiang 2
#10 Zhang Guanlei 1

Latest patents

Publication Filing date Title
CN112226972A Wig washing machine and washing process
CN111883021A Propaganda show fence for chemical safety production management
CN111863487A Baking and shaping device based on vacuum switch tube
CN111439864A Sewer sewage layered treatment device
CN111441463A Working method of sewer sewage layered treatment device
CN111302543A River sewage treatment device
CN111302542A River sewage treatment device and using method
CN111359283A Anti-blocking intercepting type sewage treatment device and working method
CN110844323A Packaging film
CN110748204A Non-motor vehicle gets puts device fast
CN110735547A Working method of quick pick-and-place device for non-motor vehicles
CN109553210A A kind of paper making sewage processing method
CN109592811A A kind of paper-making sewage treatment installation
CN109553208A A kind of sewage water treatment method
CN109553209A A kind of sewage-treatment plant
CN108742651A Clinical laboratory's Multifunctional blood collecting device
CN108013956A Assistor is assisted in a kind of medical treatment and nursing in
CN107779361A The technique for improving big short, bristly hair or beard wine quality using sofa ferment technique is returned
CN107097200A A kind of water conservancy construction pipe laying actinobacillus device
CN107130681A A kind of anti-blocking cistern for hydraulic engineering