RJ

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HD Hydril Usa Distribution: 1 patents #45 of 110Top 45%
Overall (All Time): #4,146,603 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
10465031 Short-chain fluorocarbon-grafted elastomer blowout preventer packers and seals for enhanced H2S resistance Ming-Yu Huang, Yuhua Dong, Miao Luo, John B. McLaughlin, Sitaraman Krishnan +1 more 2019-11-05