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LIU WENJUAN

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    145,878
About

LIU WENJUAN has a total of 14 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets chemical engineering, engines, pumps and turbines and medical technology are INSTITUTUL NAT DE CERCETARE DEZVOLTARE PENTRU STIINTE BIOLOGICE, TORF CORP FABRYKA LEKOW SP Z O and DDS DRUG DELIVERY SERVICE GES.

Patent filings in countries

World map showing LIU WENJUANs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Liu Wenjuan 14
#2 Qi Jingyu 2
#3 Chen Yongping 2

Latest patents

Publication Filing date Title
CN111974150A Welding fume purifier
CN112108497A Kitchen waste treatment device
CN110586008A Oxidation device convenient for slag discharge and cleaning
CN110548305A Easy-to-use heat exchange evaporation device
CN108719256A A kind of pesticide dispersal equipment for fruit tree seedling culture
CN106214903A A kind of postpartum care Chinese medicine composition
CN105484359A Exposed corner line as decorative plate fixed connecting piece
CN104174531A Automatic paint spraying machine
CN104257137A Health care chair
CN104184009A Lamp bulb clamp applied to single-ended halogen lamp aging machine
CN104183441A Lamp bulb clamping mechanism applied to single-ended halogen lamp aging machine
CN104155617A Single-ended halogen lamp aging machine
CN1670383A Environment-protecting energy-saving oil pressure power machine