Wei Ma

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Lanzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Anti-frost heaving supports and methods for crude oil pipelines cro...
- Patent number 11,892,101
- Issue date Feb 6, 2024
- Northwest Institute of Eco-Environment and Resources, CAS
- Yapeng Cao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Devices for preventing frost heaving and thawing settlement
- Patent number 11,891,771
- Issue date Feb 6, 2024
- Northwest Institute of Eco-Environment and Resources, CAS
- Yapeng Cao
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING