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Xiaozhao ZHANG
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Chuzhou, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Movable chair support structure and chair having the same
Patent number
11,690,453
Issue date
Jul 4, 2023
Xiaozhao Zhang
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Footrest extension device, frame and chair having the same
Patent number
11,617,446
Issue date
Apr 4, 2023
Xiaozhao Zhang
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Headrest device and chair having the same
Patent number
11,602,224
Issue date
Mar 14, 2023
Xiaozhao Zhang
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Footrest mechanism, chair support body having same and chair
Patent number
11,540,632
Issue date
Jan 3, 2023
Xiaozhao Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Chair frame mechanism and chair having the same
Patent number
11,540,633
Issue date
Jan 3, 2023
Xiaozhao Zhang
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Movable chair mechanism, chair frame and chair
Patent number
11,439,234
Issue date
Sep 13, 2022
Xiaozhao Zhang
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Patents Applications
last 30 patents
Information
Patent Application
HEADREST DEVICE AND CHAIR HAVING THE SAME
Publication number
20220202188
Publication date
Jun 30, 2022
Xiaozhao ZHANG
B60 - VEHICLES IN GENERAL
Information
Patent Application
MOVABLE CHAIR SUPPORT STRUCTURE AND CHAIR HAVING THE SAME
Publication number
20220125200
Publication date
Apr 28, 2022
Xiaozhao ZHANG
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
FOOTREST MECHANISM, CHAIR SUPPORT STRUCTURE AND CHAIR HAVING SAME
Publication number
20220087431
Publication date
Mar 24, 2022
Xiaozhao ZHANG
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
MOVABLE CHAIR MECHANISM, CHAIR FRAME AND CHAIR
Publication number
20220087423
Publication date
Mar 24, 2022
Xiaozhao ZHANG
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
FOOTREST MECHANISM, CHAIR SUPPORT BODY HAVING SAME AND CHAIR
Publication number
20220071396
Publication date
Mar 10, 2022
Xiaozhao ZHANG
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
CHAIR FRAME MECHANISM AND CHAIR HAVING THE SAME
Publication number
20220071397
Publication date
Mar 10, 2022
Xiaozhao ZHANG
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
FOOTREST EXTENSION DEVICE, FRAME AND CHAIR HAVING THE SAME
Publication number
20220039558
Publication date
Feb 10, 2022
Xiaozhao ZHANG
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...