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ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD

Overview
  • Total Patents
    122
  • GoodIP Patent Rank
    12,067
  • Filing trend
    ⇧ 28.0%
About

ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD has a total of 122 patent applications. It increased the IP activity by 28.0%. Its first patent ever was published in 2012. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Republic of Korea. Its main competitors in its focus markets mechanical elements, thermal processes and environmental technology are ZHEJIANG DUNAN MACHINERY CO LTD, DUNAN ENVIRONMENT TECH CO LTD and ZHEJIANG SANHUA INTELLIGENT CONTROLS CO LTD.

Patent filings per year

Chart showing ZHEJIANG DUNAN ARTIFICIAL ENV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Dingjun 27
#2 Wei Wenjian 11
#3 Tian Peng 10
#4 Ma Wenyong 10
#5 Su Peng 8
#6 He Yuchen 8
#7 Liu Haibo 7
#8 Zhan Shaojun 7
#9 Wang Feng 6
#10 Zhang Shengchang 6

Latest patents

Publication Filing date Title
CN112178223A Valve core assembly and electronic expansion valve
CN112128855A Heat exchange device and air conditioner with same
WO2021057984A1 Heat exchanger
WO2021057983A1 Heat exchanger
CN112178308A Pipe fitting connecting structure
WO2021077918A1 Pilot valve
CN112097327A Fan wall assembly and air conditioning box with same
WO2021077895A1 Flat pipe, micro-channel heat exchanger, and air conditioner
WO2021052066A1 Heat exchanger
WO2021057296A1 Three-way solenoid valve assembly method, and three-way solenoid valve
WO2021073230A1 Gas-liquid separator and compression system
WO2021073229A1 Gas-liquid separator and compression system
WO2021057299A1 Valve core assembly and electronic expansion valve having same
WO2021068632A1 Gas-liquid separator and compression system
WO2021013001A1 Electric water pump
WO2020259458A1 Three-way water valve
WO2021031682A1 Electronic expansion valve and installation method therefor
WO2020248932A1 Valve silencer and electronic expansion valve thereof
WO2020244559A2 Pilot valve and four-way reversing valve
WO2020248858A1 Valve muffler and electronic expansion valve thereof