CL

Changcheng Li

BC Beijing Roborock Technology Co.: 4 patents #6 of 41Top 15%
Overall (2025): #38,452 of 469,880Top 9%
4
Patents 2025

Issued Patents 2025

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12253090 Fan and cleaning device Yuanjian Liang, Zhimin Yang 2025-03-18
12209591 Fan and cleaning apparatus Xing Li 2025-01-28
12199486 Stator, fan, and cleaning device Xing Li 2025-01-14
12188476 Fan and cleaning device Xing Li 2025-01-07