RI

Robert S. Sivley, IV

HY Hydril: 4 patents #1 of 11Top 10%
📍 Kingwood, TX: #3 of 55 inventorsTop 6%
🗺 Texas: #342 of 8,709 inventorsTop 4%
Overall (2003): #13,109 of 273,478Top 5%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6622797 Apparatus and method to expand casing 2003-09-23
6607220 Radially expandable tubular connection 2003-08-19
6554287 Collapsing type seal for expandable tubular connections John Greenip 2003-04-29
6530607 Two-step threaded connector having differential thread width David Llewellyn Mallis 2003-03-11