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ZHEJIANG DUN AN ARTIFICIAL ENVIRONMENTAL EQUIPMENT CO LTD

Overview
  • Total Patents
    32
About

ZHEJIANG DUN AN ARTIFICIAL ENVIRONMENTAL EQUIPMENT CO LTD has a total of 32 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are UAN ZOLI BORIS L, SUZHOU INNOTION TECHNOLOGY CO LTD and KI OD K B KINOOBORUDOVANIYA.

Patent filings in countries

World map showing ZHEJIANG DUN AN ARTIFICIAL ENVIRONMENTAL EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 32

Patent filings per year

Chart showing ZHEJIANG DUN AN ARTIFICIAL ENVIRONMENTAL EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Ge Fanggen 4
#2 Zhong Jianfa 3
#3 Zhang Shengchang 3
#4 Wang Dingjun 3
#5 Feng Jianqiao 2
#6 Liu Jiajie 2
#7 Wang Xinnan 2
#8 Kang Zhijun 2
#9 Zhu Xingjun 2
#10 Leng Xingyang 2

Latest patents

Publication Filing date Title
CN103925730A Electric automobile air conditioning system
CN103868639A Pressure transmitter
CN103836857A Defrosting method of air conditioner
CN102966759A Electromagnetic four-way reversing valve with pressure protection
CN103808358A Temperature pressure integrated sensor
CN103776206A Refrigerant distributor
CN103780185A Compressor torque control method and torque control device
CN102927722A Microchannel evaporator and air conditioner with microchannel evaporator
CN102901394A Connection positioning structure of adapter and collecting pipe
CN102853964A Assembling structure for pressure sensors
CN102878730A Electronic expansion valve
CN102889410A Electronic expansion valve
CN102767982A Louver fin and heat exchanger adopting louver fins
CN102767924A Electronic expansion valve
CN102735076A Heat exchanger capable of preventing fins from being dropped
CN102748502A Locking sheet, piston and solenoid directional valve
CN103486767A Soil-source heat pump system for heating and humidifying phalaenopsis planting greenhouse
CN102721162A Water discharge device and air conditioning unit using same
CN102734494A Solenoid valve
CN103453690A Energy-saving absorption heat pump unit with biomass-energy combined cooling, heating and power functions