Zhejiang DunAn Artificial Environment Co., Ltd

China


 
Total IP 488
Total IP Rank # 2,651
IP Activity Score 3.5/5.0    741
IP Activity Rank # 966
Dominant Nice Class Machines and machine tools

Patents

Trademarks

118 1
0 3
364 2
0
 
Last Patent 2025 - Filter assembly and filter
First Patent 2002 - Method for carrying out an elect...
Last Trademark 2011 - DunAn
First Trademark 2006 - DUNAN

Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 Invention Electronic expansion valve. An electronic expansion valve. The electronic expansion valve compris...
Invention Electronic expansion valve. An electronic expansion valve, which comprises a rotor assembly (100)...
Invention Ball valve. A ball valve is provided. The ball valve includes a valve body, a valve seat, and a ...
Invention Stop valve and refrigeration system having same. A stop valve and a refrigeration system having ...
Invention Bottle solenoid valve. A bottle solenoid valve is provided. The bottle solenoid valve includes a...
Invention Solenoid valve. A solenoid valve, comprising: a housing assembly (10), with a mounting cavity (11...
Invention Electronic expansion valve and assembly method. Disclosed are an electronic expansion valve and a...
Invention Expansion valve and air-conditioning system comprising same. An expansion valve and an air-condit...
Invention Electronic expansion valve and magnetizing method. An electronic expansion valve (1000) and a mag...
Invention Flat pipe and heat exchanger having same. A flat pipe and a heat exchanger having same. The flat ...
Invention Solenoid valve. A solenoid valve, comprising: a guide pipe (10), the guide pipe (10) being a stra...
Invention Electronic expansion valve. An electronic expansion valve, comprising: a frame body (10), the fra...
Invention Reversing valve and method for producing reversing valve. A reversing valve and a method for prod...
Invention Electromagnetic valve. An electromagnetic valve, comprising: a valve pipe (10), which comprises a...
Invention Valve core component and processing method therefor, and drain valve and assembly method therefor...
Invention Electronic expansion valve. An electronic expansion valve (100). The electronic expansion valve (...
Invention Drain valve. A drain valve, which comprises: a valve body (10), comprising a first opening (101),...
Invention Solenoid valve. Provided in the present application is a solenoid valve, comprising: a valve body...
Invention Valve apparatus, electronic expansion valve and refrigeration system. A valve apparatus (1), an e...
Invention Valve assembly and solenoid valve. A valve assembly and a solenoid valve. The valve assembly comp...
Invention Drain valve. The present application provides a drain valve, comprising: a valve body, which is s...
Invention Diaphragm-type one-way valve. A diaphragm-type one-way valve (100). The diaphragm-type one-way va...
Invention Pilot valve structure and reversing valve. A pilot valve structure (100) and a reversing valve (2...
Invention Stop valve and air conditioning device comprising same. A stop valve (100) and an air conditionin...
Invention Sliding block structure and reversing valve. Provided are a sliding block structure and a reversi...
Invention Valve assembly and electronic expansion valve. Disclosed is a valve assembly, comprising a valve ...
Invention Valve core assembly, thermostatic expansion valve, and refrigeration system. Provided are a valve...
Invention Stainless steel gas-collecting pipe assembly. A stainless steel gas-collecting pipe assembly (100...
Invention Pressure relief valve and air conditioning system. Disclosed are a pressure relief valve and an a...
Invention Multi-way valve. Disclosed is a multi-way valve, which comprises: a motor assembly (10), having a...
Invention Filter assembly and filter. A filter assembly (10) and a filter (100). The filter assembly (10) c...
Invention Connecting pipe. A connecting pipe (100). The connecting pipe (100) comprises a first connecting ...
Invention Oil separator and air conditioning system. An oil separator (100) and an air conditioning system....
Invention Pipeline connector. Provided in the present application is a pipeline connector, comprising: a bo...
Invention Liquid reservoir and vehicle-mounted battery thermal management system. A liquid reservoir (100),...
2023 Invention Electromagnetic valve coil
2022 Invention Valve needle component and flow regulating valve. Provided in the present invention are a valve ...
Invention Valve head structure and flow regulating valve with valve head structure. A valve head structure...
Invention Electronic expansion valve. The present disclosure provides an electronic expansion valve, which...
Invention Electronic expansion valve. An electronic expansion valve, including a valve body, the valve bod...
Invention Reversing valve and heat exchange system with reversing valve. Some embodiments of this applicat...
Invention Connecting pipe assembly and control valve assembly with connecting pipe assembly. Some embodime...
Invention Reversing valve. The present disclosure provides a reversing valve, including a valve body, an e...
Invention Combined four-way valve, air conditioning system and vehicle. Disclosed are a combined four-way ...
Invention Heat exchanger. A heat exchanger, including: a first heat exchange portion, the first heat excha...
Invention Valve needle and electronic expansion valve having valve needle. Disclosed are a valve needle an...
Invention Electronic expansion valve. Disclosed is an electronic expansion valve. The electronic expansion...
Invention Connecting tube and heat exchanger. The disclosure provides a connecting tube and a heat exchang...
Invention Anti-disassembly connector. An anti-disassembly connector, including: a connecting portion, wher...
2011 G/S Valves of metal, other than parts of machines; pipework of metal; water-pipe valves of metal; ma...
G/S Motors for motor vehicles, namely electric motors; electric vehicles namely golf carts, toy vehic...
2008 G/S Pipework of metal, namely pipes of metal for transporting water, oil and gas; pipework of metal n...
2007 G/S Manually operated valves of metal, not being parts of machines; pipework of metal; manually opera...
G/S Valves of metal (other than parts of machines); pipework of metal; water-pipe valves of metal: m...
2006 G/S Safety valves; pressure valves, namely parts of machines; steam traps; air condensers for air con...