Inventor
FORD DAVID LAWRENCE
US18 patents
⚠️ This page may combine multiple inventors who share the name “FORD DAVID LAWRENCE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VETCO GRAY INC
15 patentsUS10184311B2Jan 22, 2019
Wellhead seal assembly with lockdown and slotted arrangement
VETCO GRAY INC7 citations82
US8950785B2Feb 10, 2015
Broach style anti rotation device for connectors
VETCO GRAY INC7 citations77
US9797214B2Oct 24, 2017
Casing hanger shoulder ring for lock ring support
VETCO GRAY INC2 citations71
US9765588B2Sep 19, 2017
High strength inlay to improve lock-down capacity in a wellhead
VETCO GRAY INC6 citations71
US9169711B2Oct 27, 2015
Slotted metal seal
VETCO GRAY INC6 citations70
US9476262B2Oct 25, 2016
Wear bushing with hanger lockdown
VETCO GRAY INC3 citations69
US9410647B2Aug 9, 2016
Anti-rotation system for box and pin connection
VETCO GRAY INC6 citations68
US10900316B2Jan 26, 2021
Wellhead seal with pressure energizing from below
VETCO GRAY INC3 citations66
US9175537B2Nov 3, 2015
Semi-rigid lockdown device
VETCO GRAY INC3 citations56
US10174574B2Jan 8, 2019
Insert for use with wellhead housing having flow-by path
VETCO GRAY INC0 citations50
US9695662B2Jul 4, 2017
Method and system for retaining a lock ring on a casing hanger
VETCO GRAY INC1 citations49
US10233711B2Mar 19, 2019
Wellbore seal energizing ring with retaining feature
VETCO GRAY INC0 citations41
US10508505B2Dec 17, 2019
Flow-by holes with gallery and channel arrangement on wellhead and tubular hanger
VETCO GRAY INC0 citations39
US9732582B2Aug 15, 2017
Wellbore sealing with hybrid wicker system
VETCO GRAY INC0 citations39
US9797215B2Oct 24, 2017
Ratcheted E-ring retention device
VETCO GRAY INC0 citations38