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ZHEJIANG DONGOU FILTER MFG CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    129,658
  • Filing trend
    ⇧ 300.0%
About

ZHEJIANG DONGOU FILTER MFG CO LTD has a total of 16 patent applications. It increased the IP activity by 300.0%. 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, environmental technology and electrical machinery and energy are POUR LE TRAITEMENT ET L UTILIS, TIMMINS JOHN ANDREW and HEFEI TIANXIANG ENVIRONMENT PROJECT CO LTD.

Patent filings in countries

World map showing ZHEJIANG DONGOU FILTER MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing ZHEJIANG DONGOU FILTER MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Jinfu 15
#2 Rao Xianrui 12
#3 Hu Liangfen 10
#4 Song Zhiji 9
#5 Liu Yiling 9
#6 Yang Zhengxiu 6
#7 Yu Chao 2
#8 Nie Mengchun 2
#9 Song Zhili 2
#10 Yu Jinshui 1

Latest patents

Publication Filing date Title
CN108461749A A kind of ternary precursor Optimizing manufacture control device and its optimal control method
CN108465282A A kind of short grained filtration wash unit of ternary precursor and its filtration washing technique
CN108465281A A kind of filtering-condensing apparatus and its filtration and concentration method
CN108479103A A kind of band agitation and filtration enrichment facility and its agitation and filtration method for concentration
CN107055672A A kind of decolouring, absorption, the microporous filter of oil removing
CN106039803A Filtering and squeezing unit for filterable materials
CN106039785A Continuous filtering automatic discharging residue scraping, pressure drying and washing machine for mother liquor
CN106039814A Hollow-plate filtration-washing centrifugal-rotation slag tossing machine
CN105903254A Multi-cone-shaped upender for filtering and washing powder
CN105217576A Filtration washing control method in hydrogen fluoride preparation technology
CN104763808A Low-resistance high-efficiency locking method and device for quick opening valve of pressure container
CN103742644A Safety linkage locking device for quick valve of pressure vessel
CN103341397A Outer cross flow filtration grader and micropore body back flush technology thereof
CN103143302A Continuous microbubble reactor