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LIU WENJUN

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    133,419
  • Filing trend
    ⇩ 100.0%
About

LIU WENJUN has a total of 17 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in China and United States. Its main competitors in its focus markets environmental technology, chemical engineering and medical technology are YOUNG DONG ENGINEERING CO LTD, HUBEI QUANSHENG ENVIRONMENTAL PROTECTION TECH CO LTD and SIEMENS WATER TECHNOLOGIES LLC.

Patent filings in countries

World map showing LIU WENJUNs patent filings in countries
# Country Total Patents
#1 China 14
#2 United States 3

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Liu Wenjun 17
#2 Smith George W 2
#3 Jordan Edward John 2
#4 Zhong Qihua 1
#5 Zheng Zaobo 1
#6 Li Wanyan 1
#7 Liu Liming 1
#8 Cao Nan 1
#9 Mei Xiangbin 1
#10 Liu Tao 1

Latest patents

Publication Filing date Title
CN110898638A Composite degradation method for VOCs
CN110860195A Gas phase photocatalysis oxidation integrated environmental protection equipment
CN107686800A Fragrance wine and its production method
CN107126779A Explosion-proof dedusting filter cylinder
CN106955584A VOCs biodegradation washing systems
CN107083028A A kind of biodegradation material and preparation method thereof
CN106367537A RT-LAMP visual kit for detecting goose newcastle disease virus (NDV) and application thereof
CN106594890A Air purifying and humidifying machine
CN105709249A Ozone sterilization device and ozone sterilization method
CN105327047A Medicine for treating nerve deafness and tinnitus
CN104715752A Voice recognition method, voice recognition device and voice recognition system
CN104182017A Intelligent heat radiation control system and method for server
CN103763107A Intelligent household appliance system secret key control method and intelligent household appliance system
CN103114187A Supercharging technology of gas protection device of annealing furnace
US2011203992A1 Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods