Ya Zhao

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Nanjing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Low-noise, gas-type, instantaneous water heater
- Patent number 9,441,857
- Issue date Sep 13, 2016
- A. O. Smith Corporation
- Bu Qiu
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
LOW-NOISE, GAS-TYPE, INSTANTANEOUS WATER HEATER
- Publication number 20150090200
- Publication date Apr 2, 2015
- A. O. SMITH CORPORATION
- Bu Qiu
- F24 - HEATING RANGES VENTILATING