Inventor
WEIR JAMES WILLIAM
US16 patents
⚠️ This page may combine multiple inventors who share the name “WEIR JAMES WILLIAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WEIR JAMES WILLIAM
6 patentsUS8544538B2Oct 1, 2013
System and method for sealing a wellbore
WEIR JAMES WILLIAM10 citations83
US9657536B2May 23, 2017
Method and apparatus for connecting tubulars of a wellsite
WEIR JAMES WILLIAM2 citations72
US9260932B2Feb 16, 2016
Blowout preventer ram assembly and method of using same
WEIR JAMES WILLIAM3 citations71
US9074450B2Jul 7, 2015
Blowout preventer and method of using same
WEIR JAMES WILLIAM6 citations71
US9371708B2Jun 21, 2016
Circulation sub and method for using same
WEIR JAMES WILLIAM5 citations67
US8631822B2Jan 21, 2014
Dual-flow valve and swivel
WEIR JAMES WILLIAM1 citations50
NAT OILWELL VARCO LP
6 patentsUS9022125B2May 5, 2015
Marine riser with side tension members
NAT OILWELL VARCO LP3 citations61
US12108672B2Oct 1, 2024
Systems and methods for electrical power generation
NAT OILWELL VARCO LP0 citations51
US9493985B2Nov 15, 2016
Mud hydraulic top drive
NAT OILWELL VARCO LP0 citations49
US11293462B2Apr 5, 2022
Pilot close vent valve
NAT OILWELL VARCO LP0 citations47
US10487623B2Nov 26, 2019
Circulation sub and method for using same
NAT OILWELL VARCO LP0 citations47
US10508663B2Dec 17, 2019
Hydraulic circuit for controlling a movable component
NAT OILWELL VARCO LP0 citations37