HE

Hubert L. Elkins

HY Hydril: 3 patents #37 of 135Top 30%
VS Varco Shaffer: 2 patents #5 of 18Top 30%
Overall (All Time): #879,818 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6527062 Well drilling method and system Mark A. Merit 2003-03-04
6374925 Well drilling method and system Mark A. Merit 2002-04-23
6192680 Subsea hydraulic control system James D. Brugman, Mark A. Merit 2001-02-27
4630680 Well control method and apparatus 1986-12-23
4558750 Method and apparatus for forming boreholes James A. Burton, Milton E. Goodhart 1985-12-17
4478287 Well control method and apparatus Joseph H. Hynes 1984-10-23