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Haifeng Ren

WC Weichai Power Co.: 2 patents #2 of 23Top 9%
📍 Shandong, CN: #74 of 611 inventorsTop 15%
Overall (2025): #123,342 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 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