Inventor
REN HUAIQIANG
CN3 patents
Patents
3 patentsUS11412902B2Aug 16, 2022
Dust cup and handheld vacuum cleaner
TINECO INTELLIGENT TECH CO LTD0 citations56
US12232684B2Feb 25, 2025
Filter cleaning apparatus and filter cleaning system
TINECO INTELLIGENT TECH CO LTD0 citations46
US10716441B2Jul 21, 2020
Handheld vacuum cleaner
TINECO INTELLIGENT TECH CO LTD0 citations46