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Haifeng Ren

WC Weichai Power Co.: 2 patents #17 of 148Top 15%
HC Haier Smart Home Co.: 1 patents #188 of 373Top 55%
QC Qingdao Haier Drum Washing Machine Co.: 1 patents #55 of 105Top 55%
QC Qingdao Haier Washing Machine Co.: 1 patents #87 of 190Top 50%
📍 Shandong, CN: #311 of 2,138 inventorsTop 15%
Overall (All Time): #1,067,362 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12292011 Cylinder deactivation control method and apparatus of engine, and engine Fei Wang, Bin Pang, Qingzhen Ma, Huihui Wang, Lin Chen +2 more 2025-05-06
12188423 Cylinder deactivation control method and apparatus of engine, and engine Fei Wang, Bin Pang, Qingzhen Ma, Huihui Wang, Lin Chen +2 more 2025-01-07
12180639 Additive feeding device and washing machine Tao Huang, Bingheng Zhou 2024-12-31
10309049 Water purifying module self-cleaning method and washing machine using same Zhilong Zhao, Haitao Hu, Huibin Yang, Xianfeng FAN, Qingjun Zhang +1 more 2019-06-04