Shengjin Rao

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Xiamen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Drainage system for pressure-assisted flush water tank
- Patent number 12,043,999
- Issue date Jul 23, 2024
- Bingxing Huang
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Drainage control device
- Patent number 11,898,336
- Issue date Feb 13, 2024
- Bingxing Huang
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
DRAINAGE SYSTEM FOR PRESSURE-ASSISTED FLUSH WATER TANK
- Publication number 20230183961
- Publication date Jun 15, 2023
- ECO (XIAMEN) TECHNOLOGY INC.
- Bingxing Huang
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
DRAINAGE CONTROL DEVICE
- Publication number 20230183959
- Publication date Jun 15, 2023
- ECO (XIAMEN) TECHNOLOGY INC.
- Bingxing Huang
- E03 - WATER SUPPLY SEWERAGE