HAI-TAO XU

Follow

Person

Zhengzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for importing parameter calibration and terminal...
- Patent number 12,123,972
- Issue date Oct 22, 2024
- Zhengzhou Wanmayun Electronic Technology CO., Ltd.
- Hai-Tao Xu
- G01 - MEASURING TESTING
Information Patent Grant
Device and system for preventing drowning
- Patent number 11,770,154
- Issue date Sep 26, 2023
- HONGFUJIN PRECISION ELECTRONICS (ZHENGZHOU) CO., LTD.
- Teng-Fei Zhang
- G08 - SIGNALLING
Information Patent Grant
Warning device, warning system for detecting water level in drainag...
- Patent number 11,694,537
- Issue date Jul 4, 2023
- HONGFUJIN PRECISION ELECTRONICS (ZHENGZHOU) CO., LTD.
- Hui-Sheng Liu
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR IMPORTING PARAMETER CALIBRATION AND TERMINAL...
- Publication number 20230003834
- Publication date Jan 5, 2023
- Zhengzhou Wanmayun Electronic Technology CO.,Ltd.
- Hai-Tao Xu
- G01 - MEASURING TESTING
Information Patent Application
DEVICE AND SYSTEM FOR PREVENTING DROWNING
- Publication number 20220321168
- Publication date Oct 6, 2022
- HONGFUJIN PRECISION ELECTRONICS (ZHENGZHOU) CO., LTD.
- TENG-FEI ZHANG
- G08 - SIGNALLING
Information Patent Application
WARNING DEVICE, WARNING SYSTEM FOR DETECTING WATER LEVEL IN DRAINAG...
- Publication number 20220309898
- Publication date Sep 29, 2022
- HONGFUJIN PRECISION ELECTRONICS (ZHENGZHOU) CO., LTD.
- HUI-SHENG LIU
- G08 - SIGNALLING