Songyuan Li

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Internal inspection robot
- Patent number 12,304,056
- Issue date May 20, 2025
- ELECTRIC POWER SCIENCE & RESEARCH INSTITUTE OF STATE GRID TIANJIN ELECTRIC PO...
- Liqing Liu
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Imaging method and system for residual stress of basin insulator, a...
- Patent number 12,265,066
- Issue date Apr 1, 2025
- ELECTRIC POWER SCIENCE & RESEARCH INSTITUTE OF STATE GRID TIANJIN ELECTRIC PO...
- Jin He
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
INTERNAL INSPECTION ROBOT
- Publication number 20250153366
- Publication date May 15, 2025
- Electric Power Science & Research Institute of State Grid Tianjin Electric Po...
- Liqing LIU
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
IMAGING METHOD AND SYSTEM FOR RESIDUAL STRESS OF BASIN INSULATOR, A...
- Publication number 20250067647
- Publication date Feb 27, 2025
- Electric Power Science & Research Institute of State Grid Tianjin Electric Po...
- Jin HE
- G01 - MEASURING TESTING
Information Patent Application
DEFECT DETECTION METHOD AND APPARATUS FOR CUSHION LAYER OF CABLE, D...
- Publication number 20240241168
- Publication date Jul 18, 2024
- Electric Power Science & Research Institute of State Grid Tianjin Electric Po...
- Shengchen Fang
- G01 - MEASURING TESTING