Qiankui Chen

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Wenzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Chair reclining adjustment mechanism
- Patent number 10,342,353
- Issue date Jul 9, 2019
- ZHONGWEI HOLDING GROUP CO., LTD
- Qiankui Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Chair and chair lifting adjustment control mechanism thereof
- Patent number 10,278,505
- Issue date May 7, 2019
- ZHONGWEI HOLDING GROUP CO., LTD
- Qiankui Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Chair tray and chassis, chassis forming method and chassis mounting...
- Patent number 9,788,657
- Issue date Oct 17, 2017
- Qiankui Chen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Chair and Chair Lifting Adjustment Control Mechanism Thereof
- Publication number 20180360220
- Publication date Dec 20, 2018
- ZHONGWEI HOLDING GROUP CO., LTD
- Qiankui CHEN
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Chair Reclining Adjustment Mechanism
- Publication number 20180360221
- Publication date Dec 20, 2018
- ZHONGWEI HOLDING GROUP CO. , LTD
- Qiankui CHEN
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
CHAIR TRAY AND CHASSIS, CHASSIS FORMING METHOD AND CHASSIS MOUNTING...
- Publication number 20170164749
- Publication date Jun 15, 2017
- ZHONGWEI HOLDING GROUP CO., LTD
- Qiankui Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...