Jiandong GAO

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Dezhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Leveling differential-pressure diversion peak-shaving water tank wi...
- Patent number 11,280,068
- Issue date Mar 22, 2022
- Shandong Keyuan Water Supply and Drainage Equipment Engineering Co., Ltd.
- Huiming Zhang
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
Safety Device For Hydrodynamic Pressure Regulating Pipe Network
- Publication number 20210341955
- Publication date Nov 4, 2021
- Shandong Keyuan Water Supply And Drainage Equipment Engineering Co. Ltd.
- Yonghua Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
LEVELING DIFFERENTIAL-PRESSURE DIVERSION PEAK-SHAVING WATER TANK WI...
- Publication number 20200385959
- Publication date Dec 10, 2020
- Shandong Keyuan Water Supply and Drainage Equipment Engineering Co., Ltd.
- Huiming ZHANG
- E03 - WATER SUPPLY SEWERAGE