Learn more

LI YUJUAN

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    93,063
  • Filing trend
    ⇩ 11.0%
About

LI YUJUAN has a total of 30 patent applications. It decreased the IP activity by 11.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, environmental technology and thermal processes are YU HAIJUAN, CHENGDU ISHUNTONG ENV PROT TECH CO LTD and PIETER DE GRAAFF.

Patent filings in countries

World map showing LI YUJUANs patent filings in countries
# Country Total Patents
#1 China 30

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Li Yujuan 30
#2 Zhang Jian 1
#3 Tan Feng 1
#4 Li Min 1
#5 Mao Hongbo 1
#6 Wang Shuling 1
#7 Li Junmei 1
#8 Ma Zanliu 1
#9 Wang Ying 1
#10 Xu Daoming 1

Latest patents

Publication Filing date Title
CN110141691A A kind of ICU patient care drainage eliminating the phlegm device
CN109317265A Continous way domestic garbage disposer
CN109290001A Household kitchen waste processing equipment
CN109340884A Foldable heating box
CN108978808A Restaurant garbage treating system
CN109282349A Heating box with humidification function
CN109140574A The adjustable heating box of temperature
CN108978809A Energy-efficient garbage pulverator
CN109124055A Convenient for the heating dining table of folding
CN107779264A For extracting the vapor can of fruits and vegetables essential oil
CN107987971A High-efficiency steam extractor
CN107934297A Intelligent dustbin
CN107973019A Urban sanitation intelligent garbage collecting box
CN107937136A Cooker with three-dimensional steam stream
CN107985846A Large size city garbage holding device
CN108001900A There is the dustbin for preventing bacteria breed
CN107987970A For extracting the extraction element of plant essence
CN107469176A A kind of novel gynecological clinic detects treatment integrated apparatus
CN103704040A Method for improving leaf color of prunus cerasifera and deferring leaf falling
CN103083601A Traditional Chinese medical composition for treating pompholyx