Inventor
ZHENG XUEFENG
CN9 patents
⚠️ This page may combine multiple inventors who share the name “ZHENG XUEFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZHEJIANG SUNSHINE LEISURE PRODUCTS CO LTD
7 patentsUS10836418B2Nov 17, 2020
Foldable handcart
ZHEJIANG SUNSHINE LEISURE PRODUCTS CO LTD20 citations83
USD849436SMay 28, 2019
Folding chair
ZHEJIANG SUNSHINE LEISURE PRODUCTS CO LTD10 citations82
US11832732B2Dec 5, 2023
Foldable chair frame
ZHEJIANG SUNSHINE LEISURE PRODUCTS CO LTD3 citations71
US10694851B2Jun 30, 2020
Multifunctional grandstand chair
ZHEJIANG SUNSHINE LEISURE PRODUCTS CO LTD4 citations71
US10455941B2Oct 29, 2019
Collapsible butterfly chair
ZHEJIANG SUNSHINE LEISURE PRODUCTS CO LTD5 citations71
US10231548B2Mar 19, 2019
Double folding chair with rotation angles
ZHEJIANG SUNSHINE LEISURE PRODUCTS CO LTD1 citations60
US11160384B2Nov 2, 2021
Folding bedstead and folding bed
ZHEJIANG SUNSHINE LEISURE PRODUCTS CO LTD0 citations50