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Patents Grants
last 30 patents
Information
Patent Grant
Sensor and heat exchanger
Patent number
12,345,548
Issue date
Jul 1, 2025
HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.
Xia Wan
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Gas detection probe including compact design
Patent number
12,228,532
Issue date
Feb 18, 2025
HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.
Dezhi Cheng
G01 - MEASURING TESTING
Information
Patent Grant
Air conditioner, control strategy of the air conditioner, and air c...
Patent number
11,287,148
Issue date
Mar 29, 2022
Zhejiang Sanhua Intelligent Controls Co., Ltd.
Peilan Zhang
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Infrared sensor and infrared gas detector
Patent number
11,187,653
Issue date
Nov 30, 2021
HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.
Xia Wan
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
GAS DETECTION DEVICE AND REFRIGERANT SENSOR
Publication number
20250208031
Publication date
Jun 26, 2025
Hangzhou Sanhua Research Institute Co., Ltd.
Xia WAN
F24 - HEATING RANGES VENTILATING
Information
Patent Application
GAS DETECTION PROBE, SENSOR, AND GAS DETECTOR
Publication number
20250137956
Publication date
May 1, 2025
Hangzhou Sanhua Research Institute Co., Ltd.
Dezhi CHENG
G01 - MEASURING TESTING
Information
Patent Application
SENSOR DEVICE AND VALVE ASSEMBLY WITH IMPROVED SEALING FEATURES
Publication number
20230345657
Publication date
Oct 26, 2023
HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.
XIA WAN
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
GAS DETECTION PROBE AND MANUFACTURING METHOD THEREOF
Publication number
20230098849
Publication date
Mar 30, 2023
HANGZHOU SANHUA RESEARCH INSTITUTE CO.?LTD.
DEZHI CHENG
G01 - MEASURING TESTING
Information
Patent Application
SENSOR AND HEAT EXCHANGER
Publication number
20220120592
Publication date
Apr 21, 2022
HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.
XIA WAN
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
AIR CONDITIONER, CONTROL STRATEGY OF THE AIR CONDITIONER, AND AIR C...
Publication number
20210180808
Publication date
Jun 17, 2021
ZHEJIANG SANHUA INTELLIGENT CONTROLS CO., LTD.
PEILAN ZHANG
F24 - HEATING RANGES VENTILATING
Information
Patent Application
INFRARED SENSOR AND INFRARED GAS DETECTOR
Publication number
20210156795
Publication date
May 27, 2021
Hangzhou Sanhua Research Institute Co., Ltd.
Xia WAN
B60 - VEHICLES IN GENERAL