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HD Hydril Usa Distribution: 1 patents #45 of 110Top 45%
Overall (All Time): #2,722,185 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10982500 Transducer assembly for offshore drilling riser Chuanlin Pan, Heng Yang, Xing Yu, Jing Yong Ye, Weihua Shang +2 more 2021-04-20