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GUANGZHOU DAY WO AUTOMATION IND CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    130,749
About

GUANGZHOU DAY WO AUTOMATION IND CO LTD has a total of 14 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, packaging and shipping and basic materials chemistry are G & A FIRKINS LTD, SILLEY HENRY ARTHUR JOHN and GRAYBILL PAUL J.

Patent filings in countries

World map showing GUANGZHOU DAY WO AUTOMATION IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing GUANGZHOU DAY WO AUTOMATION IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Defu 14
#2 Li Peng 9
#3 Liu Jiebo 2
#4 Li Huquan 2

Latest patents

Publication Filing date Title
CN110878220A Oil sludge return device and method for oil tank dehydration
CN110772836A Airtight dewatering system of storage tank
CN110203572A A kind of dormancy method and sleep devices for oilcan dehydration system
CN108753350A A kind of safety device and spherical tank dehydration device for spherical tank dehydration
CN108704336A A kind of closed oilcan dehydration system and its dewatering
CN106369275A Safety valve for preventing dehydration leakage of spherical tank
CN106439181A Self-powered dewatering safety valve for spherical tank
CN105419857A Novel pipeline-type automatic dehydrater for oil tank
CN105413245A Front-view device for automatic dehydrator of oil tank
CN105416893A Automatic dehydrating and oil returning system for siphoning type oil tank and oil returning method
CN105381645A Trap-type self-cleaning filter and filtering method
CN105413246A Rear-view device for automatic dehydrator of oil tank
CN104291031A Respiration type automatic dehydration oil return system and method for siphoning type oil tank
CN103323367A Sensor for detecting fluid characteristics