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Patents Grants
last 30 patents
Information
Patent Grant
Method for cleaning air conditioner and air conditioner
Patent number
11,959,651
Issue date
Apr 16, 2024
QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
Yujun Song
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method and device for communication detection and air conditioner
Patent number
11,611,455
Issue date
Mar 21, 2023
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
Shaojiang Cheng
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Relay device and multi-split air-conditioning control systems
Patent number
11,552,818
Issue date
Jan 10, 2023
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
Defang Guo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
VRV oil return control method and system
Patent number
11,536,495
Issue date
Dec 27, 2022
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
Defang Guo
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Method and apparatus for controlling communication compensation, an...
Patent number
11,477,056
Issue date
Oct 18, 2022
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
Shaojiang Cheng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-split air conditioner and control method thereof
Patent number
11,378,296
Issue date
Jul 5, 2022
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
Jingsheng Liu
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR CLEANING AIR CONDITIONER AND AIR CONDITIONER
Publication number
20220412592
Publication date
Dec 29, 2022
QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
Yujun SONG
F24 - HEATING RANGES VENTILATING
Information
Patent Application
METHOD AND DEVICE FOR COMMUNICATION DETECTION AND AIR CONDITIONER
Publication number
20220029860
Publication date
Jan 27, 2022
Qingdao Haier Air-conditioning Electronic Co., Ltd
Shaojiang CHENG
F24 - HEATING RANGES VENTILATING
Information
Patent Application
METHOD AND APPARATUS FOR CONTROLLING COMMUNICATION COMPENSATION, AN...
Publication number
20220021564
Publication date
Jan 20, 2022
HAIER SMART HOME CO., LTD.
Shaojiang CHENG
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Multi-Split Air Conditioner and Control Method Thereof
Publication number
20210262690
Publication date
Aug 26, 2021
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD
Jingsheng Liu
F24 - HEATING RANGES VENTILATING
Information
Patent Application
RELAY DEVICE AND MULTI-SPLIT CONTROL SYSTEM
Publication number
20210167990
Publication date
Jun 3, 2021
Qingdao Haier Air-conditioning Electronic Co., Ltd
Defang GUO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VRV OIL RETURN CONTROL METHOD AND SYSTEM
Publication number
20210041148
Publication date
Feb 11, 2021
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
DEFANG GUO
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CONTROL DEVICE AND METHOD FOR OUTDOOR FAN OF AIR CONDITIONER
Publication number
20200056798
Publication date
Feb 20, 2020
Qingdao Haier Air-Conditioning Electronic Co., Ltd
Gongzeng Yang
F24 - HEATING RANGES VENTILATING