YC

Yuanyuan Chang

QC Qingdao Haier Drum Washing Machine Co.: 2 patents #8 of 44Top 20%
📍 Shandong, CN: #34 of 317 inventorsTop 15%
Overall (2020): #103,249 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10648123 Heating control method of a multi-drum washing machine Peishi Lv, Wenwei Li, Jinkai Wang, Jun Wu 2020-05-12
10570545 Control method of a double-drum washing machine Wenwei Li, Jinkai Wang, Jun Wu 2020-02-25