Chen CHEN

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Nanjing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Underwater repair system for cavity region of concrete panel rock-f...
- Patent number 11,198,984
- Issue date Dec 14, 2021
- NANJING HYDRAULIC RESEARCH INSTITUTE UNDER THE MINISTRY OF WATER RESOURCES, T...
- Yingli Wu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
POWER TOOL
- Publication number 20250215652
- Publication date Jul 3, 2025
- Nanjing Chervon Industry Co., Ltd.
- Chen Chen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
UNDERWATER REPAIR SYSTEM FOR CAVITY REGION OF CONCRETE PANEL ROCK-F...
- Publication number 20210164183
- Publication date Jun 3, 2021
- NANJING HYDRAULIC RESEARCH INSTITUTE UNDER THE MINISTRY OF WATER RESOURCES, T...
- Yingli WU
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING