Guoyong Cheng

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Weihai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Online monitoring method for metering performance of diaphragm gas...
- Patent number 10,942,059
- Issue date Mar 9, 2021
- Weihai Zhuocheng Gas Safety Device Co., Ltd.
- Changsong Yu
- G01 - MEASURING TESTING
Information Patent Grant
Electrode structure and apparatus for use in measuring oil-water co...
- Patent number 9,395,349
- Issue date Jul 19, 2016
- WEIHAI HAIHER TECHNOLOGY CO.
- Qiming Wang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
ONLINE MONITORING METHOD FOR METERING PERFORMANCE OF DIAPHRAGM GAS...
- Publication number 20200003606
- Publication date Jan 2, 2020
- Weihai Zhuocheng Gas Safety Device Co., Ltd.
- Changsong YU
- G01 - MEASURING TESTING
Information Patent Application
ELECTRODE STRUCTURE AND APPARATUS FOR USE IN MEASURING OIL-WATER CO...
- Publication number 20140013830
- Publication date Jan 16, 2014
- WEIHAI HAIHER TECHNOLOGY CO., LTD.
- Qiming Wang
- G01 - MEASURING TESTING