Ruijun Tian

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Lake Forest, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Devices to convert a ceiling/wall register to a motorized damper
- Patent number 11,137,167
- Issue date Oct 5, 2021
- INNOVATIVE BUILDING ENERGY CONTROL
- Gangyi Zhou
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
DEVICES TO CONVERT A CEILING/WALL REGISTER TO A MOTORIZED DAMPER
- Publication number 20190128559
- Publication date May 2, 2019
- Gangyi Zhou
- F24 - HEATING RANGES VENTILATING