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LI WENWEN

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    76,069
  • Filing trend
    ⇩ 61.0%
About

LI WENWEN has a total of 25 patent applications. It decreased the IP activity by 61.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets medical technology, machine tools and machines are SHI ZUOJUN, WANG SHULING and XU CHUNXIA.

Patent filings in countries

World map showing LI WENWENs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Li Wenwen 25
#2 Guo Yubiao 2
#3 Zheng Jinping 2
#4 Deng Zijun 2
#5 Liu Minghai 2
#6 Li Miaomiao 2
#7 Li Zhiping 2
#8 Wang Shuangyan 1
#9 Huo Guotao 1

Latest patents

Publication Filing date Title
CN110978352A Trimming and transferring equipment for lock tube plastic part for architectural decoration and working method of trimming and transferring equipment
CN111113250A Large-size metal pipe surface sanding device and sanding method thereof
CN111002148A Metal pipe chamfering equipment and working method thereof
CN109454524A A kind of replacement mechanism of Ceramic manufacturing grinding device grinding head
CN109227923A A kind of protection mechanism of ceramics device for clamping and rotating
CN109352811A A kind of rotating mechanism of ceramics edging device
CN109225584A A kind of Ceramic manufacturing grinding device of convenient dedusting
CN109052950A A kind of pottery sky blue glaze and preparation method thereof
CN107961823A A kind of inspection efficient centrifugal pipe
CN108186346A A kind of portable medicament places bottle
CN108175890A A kind of comfort type enteroclysm device
CN108158672A A kind of clinic department of general surgery surgical operation microscope pedestal
CN108080057A A kind of rack for test tube for medical test
CN108176485A A kind of medicine crushing device for effectively improving crush efficiency
CN108172285A A kind of gynaecology's therapeutic apparatus
CN108158776A A kind of special chaise longue of gynecological nursing
CN108126323A A kind of rehabilitation department hand trainer
CN107929765A A kind of clinical laboratory's steam sterilization cabinet
CN108056914A A kind of Multifunction acupuncture needle inserter
CN108159527A A kind of Neurology infusion device