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HANGZHOU DALU IND CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    164,862
  • Filing trend
    ⇩ 50.0%
About

HANGZHOU DALU IND CO LTD has a total of 11 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, electrical machinery and energy and computer technology are JIANGSU DOUBLE WHEEL PUMP MACHINERY CO LTD, FLEXXAIRE MFG and ZHENJIANG DANTU DISTR FOOD FACTORY CO LTD.

Patent filings in countries

World map showing HANGZHOU DALU IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing HANGZHOU DALU IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Jianqing 6
#2 Yuan Jing 5
#3 Zheng Honghai 4
#4 Xue Kuanrong 3
#5 Miao Hongjiang 3
#6 Yang Tuo 3
#7 Rao Kun 2
#8 Su Xianghui 1
#9 Yan Peng 1
#10 Chen Jianfang 1

Latest patents

Publication Filing date Title
CN111946656A Combined permanent magnetic suspension bearing for pump
CN111894903A Serialized single-stage centrifugal pump volute and design method
CN111779679A Axial permanent magnetic suspension magnetic transmission pump
CN111486743A Permanent magnet heat exchanger beneficial to improving heat exchange coefficient and manufacturing method thereof
CN108518347A A kind of integral shaft synchronizes canned motor pump to suspension permanent magnet
CN107939750A A kind of gas-liquid delivery lifts centrifugal oil pump
CN106762807A A kind of low-specific-speed centrifugal compound impeller and its method for designing
CN106151053A A kind of lined oil-slurry pump and assembling thereof and liner wear monitoring method
CN105736393A Power-driven and turbine-driven circulation water pump
CN104847687A Novel sealing ring for rotary pump and manufacturing method of novel sealing ring
CN103334332A High-efficiency dry cylinder device of high-speed sanitary paper machine system and drying method of high-efficiency dry cylinder device