Zhijin Cheng

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Group dynamic environment control
- Patent number 10,364,996
- Issue date Jul 30, 2019
- Carrier Corporation
- Qianchuan Zhao
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
GROUP DYNAMIC ENVIRONMENT CONTROL
- Publication number 20160131383
- Publication date May 12, 2016
- Carrier Corporation
- Qianchuan Zhao
- F24 - HEATING RANGES VENTILATING