Inventor
SPRINGETT FRANK BENJAMIN
US45 patents
⚠️ This page may combine multiple inventors who share the name “SPRINGETT FRANK BENJAMIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT OILWELL VARCO LP
16 patentsUS10995564B2May 4, 2021
System for handling tubulars on a rig
NAT OILWELL VARCO LP166 citations98
US7926501B2Apr 19, 2011
Subsea pressure systems for fluid recovery
NAT OILWELL VARCO LP29 citations92
US8033338B2Oct 11, 2011
Wellbore continuous circulation systems and method
NAT OILWELL VARCO LP10 citations84
US9080299B2Jul 14, 2015
Windmill conveyance system and method for using same
NAT OILWELL VARCO LP8 citations83
US11228275B2Jan 18, 2022
Methods and apparatus for installing solar panels
NAT OILWELL VARCO LP12 citations80
US10745985B2Aug 18, 2020
Rig-floor pipe lifting machine
NAT OILWELL VARCO LP2 citations72
US10669819B2Jun 2, 2020
Subsea control pod deployment and retrieval systems and methods
NAT OILWELL VARCO LP2 citations65
US9404319B2Aug 2, 2016
Wellsite cable support assembly and method of using same
NAT OILWELL VARCO LP2 citations56
US12108672B2Oct 1, 2024
Systems and methods for electrical power generation
NAT OILWELL VARCO LP0 citations51
US9500096B2Nov 22, 2016
Super efficient regulator
NAT OILWELL VARCO LP0 citations48
US11293462B2Apr 5, 2022
Pilot close vent valve
NAT OILWELL VARCO LP0 citations47
US10648294B2May 12, 2020
Subsea control pod deployment and retrieval systems and methods
NAT OILWELL VARCO LP0 citations47
US9816326B2Nov 14, 2017
Misalignment-tolerant wellsite connection assembly, system, and method
NAT OILWELL VARCO LP1 citations45
US10508663B2Dec 17, 2019
Hydraulic circuit for controlling a movable component
NAT OILWELL VARCO LP0 citations37
US10815772B2Oct 27, 2020
Detection system for a wellsite and method of using same
NAT OILWELL VARCO LP0 citations31
US10132133B2Nov 20, 2018
Method of closing a blowout preventer seal based on seal erosion
NAT OILWELL VARCO LP0 citations29
SPRINGETT FRANK BENJAMIN
15 patentsUS8961093B2Feb 24, 2015
Drilling rig pipe transfer systems and methods
SPRINGETT FRANK BENJAMIN25 citations92
US8496423B2Jul 30, 2013
Windmill conveyance system and method for using same
SPRINGETT FRANK BENJAMIN17 citations92
US8066070B2Nov 29, 2011
Blowout preventers and methods of use
SPRINGETT FRANK BENJAMIN31 citations91
US8424607B2Apr 23, 2013
System and method for severing a tubular
SPRINGETT FRANK BENJAMIN26 citations89
US8181698B2May 22, 2012
Multi-function multi-hole drilling rig
SPRINGETT FRANK BENJAMIN22 citations88
US8720567B2May 13, 2014
Blowout preventers for shearing a wellbore tubular
SPRINGETT FRANK BENJAMIN7 citations84
US8602102B2Dec 10, 2013
Blowout preventers and methods of use
SPRINGETT FRANK BENJAMIN8 citations84
US8464525B2Jun 18, 2013
Subsea power fluid recovery systems
SPRINGETT FRANK BENJAMIN19 citations84
US8727690B2May 20, 2014
Windmill handling system and method for using same
SPRINGETT FRANK BENJAMIN5 citations83
US9022104B2May 5, 2015
Blowout preventer blade assembly and method of using same
SPRINGETT FRANK BENJAMIN11 citations82
US8807219B2Aug 19, 2014
Blowout preventer blade assembly and method of using same
SPRINGETT FRANK BENJAMIN13 citations82
US8720565B2May 13, 2014
Tubular severing system and method of using same
SPRINGETT FRANK BENJAMIN13 citations82
US8720564B2May 13, 2014
Tubular severing system and method of using same
SPRINGETT FRANK BENJAMIN18 citations82
US8181697B2May 22, 2012
Multi-function multi-hole drilling rig
SPRINGETT FRANK BENJAMIN9 citations81
US8801330B2Aug 12, 2014
Windmill installation system and method for using same
SPRINGETT FRANK BENJAMIN1 citations62
VARCO INT
9 patentsUS7367396B2May 6, 2008
Blowout preventers and methods of use
VARCO INT96 citations99
US7055594B1Jun 6, 2006
Pipe gripper and top drive systems
VARCO INT92 citations96
US7051989B2May 30, 2006
Blowout preventer and movable ram block support
VARCO INT48 citations95
US7798466B2Sep 21, 2010
Ram locking blowout preventer
VARCO INT34 citations92
US7331562B2Feb 19, 2008
Blowout preventer with breech assembly
VARCO INT40 citations92
US7051990B2May 30, 2006
Blowout preventer and movable bonnet support
VARCO INT36 citations92
US7044430B2May 16, 2006
Lock bars for blowout preventer
VARCO INT36 citations92
US7350587B2Apr 1, 2008
Pipe guide
VARCO INT38 citations91
US7360603B2Apr 22, 2008
Methods and apparatuses for wellbore operations
VARCO INT28 citations90