Hangzhou Zhongtai Industrial Group Co., Ltd.

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Hangzhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Multifunctional swivel chair tray and using method thereof
- Patent number 11,759,014
- Issue date Sep 19, 2023
- Hangzhou Zhongtai Industrial Group Co., Ltd.
- Yongxing Ni
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Spiral adjusting swivel chair tray for changing angle of torsion sp...
- Patent number 10,631,641
- Issue date Apr 28, 2020
- Hangzhou Zhongtai Industrial Group Co., Ltd.
- Yongxing Ni
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Adjusting mechanism for adjusting a restoring force acting on the b...
- Patent number 9,974,389
- Issue date May 22, 2018
- Hangzhou Zhongtai Industrial Group Co., Ltd.
- Armin Roland Sander
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Chair chassis
- Patent number 8,939,509
- Issue date Jan 27, 2015
- Hangzhou Zhongtai Industrial Group Co., Ltd.
- Yong-Xing Ni
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
MULTIFUNCTIONAL SWIVEL CHAIR TRAY AND USING METHOD THEREOF
- Publication number 20230148753
- Publication date May 18, 2023
- Hangzhou Zhongtai Industrial Group Co., Ltd.
- YONGXING NI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SLIDER-CRANK MECHANISM ADJUSTMENT TYPE SWIVEL CHAIR TRAY
- Publication number 20190343287
- Publication date Nov 14, 2019
- Hangzhou Zhongtai Industrial Group Co., Ltd.
- YONGXING NI
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
SPIRAL ADJUSTING SWIVEL CHAIR TRAY FOR CHANGING ANGLE OF TORSION SP...
- Publication number 20190343284
- Publication date Nov 14, 2019
- Hangzhou Zhongtai Industrial Group Co., Ltd.
- YONGXING NI
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
MECHANISM TO ADJUST THE RECLINE TENSION FOR A BACKREST OF A TASK CH...
- Publication number 20160174720
- Publication date Jun 23, 2016
- Hangzhou Zhongtai Industrial Group Co., Ltd
- Armin Roland Sander
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Chair Chassis
- Publication number 20140306503
- Publication date Oct 16, 2014
- Hangzhou Zhongtai Industrial Group Co., Ltd.
- Yong-Xing NI
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Trademarklast 30 trademarks

Information Trademark
79126028 - T ZHT
- Serial number 79126028
- Registration number 4492993
- Filing date Dec 21, 2012
- Hangzhou Zhongtai Industrial Group; Co., Ltd
- 6 - Common metals and their alloys