Inventor
LIU JINYI
CN5 patents
⚠️ This page may combine multiple inventors who share the name “LIU JINYI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BEIJING ROBOROCK TECHNOLOGY CO LTD
3 patentsUSD1024958SApr 30, 2024
Charging post for floor washing appliance
BEIJING ROBOROCK TECHNOLOGY CO LTD8 citations80
USD996753SAug 22, 2023
Hanger for handheld vacuum cleaner
BEIJING ROBOROCK TECHNOLOGY CO LTD2 citations71
USD1119136SMar 17, 2026
Charging post for floor washing appliance
BEIJING ROBOROCK TECHNOLOGY CO LTD0 citations57