Inventor
ZHOU YONGNING
CN7 patents
Patents
7 patentsUS11390432B2Jul 19, 2022
Coaxial rotary lid and drinking cup thereof
NINGBO LISI HOUSEWARE CO LTD10 citations83
USD1063540SFeb 25, 2025
Sports cup
NINGBO LISI HOUSEWARE CO LTD4 citations70
USD1026462SMay 14, 2024
Filterable preservation box
NINGBO LISI HOUSEWARE CO LTD5 citations70
USD1041170SSep 10, 2024
Filterable preservation box
NINGBO LISI HOUSEWARE CO LTD2 citations69
USD1027448SMay 21, 2024
Filterable preservation box
NINGBO LISI HOUSEWARE CO LTD2 citations69
US11999536B2Jun 4, 2024
Cover and water container using same
NINGBO LISI HOUSEWARE CO LTD0 citations59
US11834232B2Dec 5, 2023
Push type cup lid and cup
NINGBO LISI HOUSEWARE CO LTD0 citations49