DF

Dian FANG

AS A. O. Smith: 1 patents #115 of 319Top 40%
Overall (All Time): #2,468,710 of 4,157,543Top 60%
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Patent #TitleCo-InventorsDate
11867428 Heat exchange pipe, heat exchanger and water heating apparatus Xiang Gao, Xiaowei Zhou 2024-01-09