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ZHEJIANG DUNAN HETIAN METAL CO

Overview
  • Total Patents
    170
  • GoodIP Patent Rank
    12,182
  • Filing trend
    ⇧ 136.0%
About

ZHEJIANG DUNAN HETIAN METAL CO has a total of 170 patent applications. It increased the IP activity by 136.0%. Its first patent ever was published in 2009. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets mechanical elements, thermal processes and environmental technology are ZHEJIANG CHUNHUI INTELLIGENT, ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP CO LTD and ZHEJIANG SANHUA CO LTD.

Patent filings in countries

World map showing ZHEJIANG DUNAN HETIAN METAL COs patent filings in countries

Patent filings per year

Chart showing ZHEJIANG DUNAN HETIAN METAL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Dingjun 28
#2 Xu Xuefei 24
#3 He Yuchen 22
#4 Hu Yugang 18
#5 Zeng Qingjun 16
#6 Arunasalam Parthiban 14
#7 Shan Yukuan 12
#8 Liu Haibo 12
#9 Chen Jianjun 11
#10 Fuller Edward Nelson 10

Latest patents

Publication Filing date Title
CN110726199A Heat exchanger and air conditioning system
CN110831410A Heat exchange device and heat exchange device processing method
CN110762276A Electronic expansion valve
CN112151229A Electromagnetic coil device
WO2020052445A1 Reversing valve and slide block thereof
WO2020038470A1 Pilot valve and four-way solenoid valve thereof
CN110513532A Valve muffler and electric expansion valve with the valve muffler
WO2020025048A1 Air conditioning system and electronic expansion valve thereof
WO2020024877A1 Air conditioning system, and electronic expansion valve and electromagnetic coil structure of electronic expansion valve
CN112212016A Electronic expansion valve
CN112081928A Electronic expansion valve
CN111829216A Electronic expansion valve and refrigerator with same
CN111828713A Electronic expansion valve
CN111765671A Two-way circulation expansion valve and device with same
CN111765285A Electric valve
CN111765269A Switching valve and refrigerating system with same
CN111750575A Two-way throttle valve
CN111720565A Electromagnetic valve
CN111692782A Two-way throttle valve
CN111692769A Heat exchange system