Guozhang Chen

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Yuyao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Automatic floor mopping device with driving worm arranged transversely
- Patent number 10,092,154
- Issue date Oct 9, 2018
- Guozhang Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Cyclone separating apparatus of vacuum cleaner
- Patent number 9,034,067
- Issue date May 19, 2015
- Yuyao Jingcheng High & New Technology Co., Ltd.
- Guozhang Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Fall-proof and anti-collision vacuum cleaner
- Patent number 8,925,667
- Issue date Jan 6, 2015
- Yuyao Jingcheng High & New Technology Co., Ltd.
- Guozhang Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC FLOOR MOPPING DEVICE WITH DRIVING WORM ARRANGED TRANSVERSELY
- Publication number 20160235269
- Publication date Aug 18, 2016
- Yuyao Jingcheng high&new technology Co.,Ltd
- Guozhang Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Cyclone Separating Apparatus of Vacuum Cleaner
- Publication number 20140090341
- Publication date Apr 3, 2014
- Yuyao Jingcheng High&New Technology Co., Ltd.
- Guozhang Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Fall-proof and Anti-collision Vacuum Cleaner
- Publication number 20140014432
- Publication date Jan 16, 2014
- Yuyao Jingcheng High&New Technology Co. ,Ltd.
- Guozhang CHEN
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...