Inventor
HUNTER RICK C
US27 patents
⚠️ This page may combine multiple inventors who share the name “HUNTER RICK C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VETCO GRAY INC
12 patentsUS5058906AOct 22, 1991
Integrally redundant seal
VETCO GRAY INC59 citations96
US7255328B2Aug 14, 2007
Low friction coatings for dynamically engaging load bearing surfaces
VETCO GRAY INC36 citations92
US7559366B2Jul 14, 2009
Flex-lock metal seal system for wellhead members
VETCO GRAY INC47 citations91
US7325783B2Feb 5, 2008
Valve seat edge relief profile
VETCO GRAY INC19 citations84
US9341039B2May 17, 2016
Damage tolerant casing hanger seal
VETCO GRAY INC14 citations83
US10113383B2Oct 30, 2018
Positive retention lock ring for tubing hanger
VETCO GRAY INC7 citations82
US9759334B2Sep 12, 2017
Gate valve arrangement including multi-valve stem and seat assemblies
VETCO GRAY INC16 citations82
US7309058B2Dec 18, 2007
Flexible backseat seal for gate valve
VETCO GRAY INC13 citations77
US9989157B2Jun 5, 2018
Valve vented redundant stem seal system
VETCO GRAY INC3 citations73
US9897215B2Feb 20, 2018
Multi-valve seat seal assembly for a gate valve
VETCO GRAY INC5 citations71
US7819385B2Oct 26, 2010
High aspect ratio threadform
VETCO GRAY INC4 citations62
US9982503B2May 29, 2018
Wellhead metal seal with energizing ring having trapped fluid reliefs
VETCO GRAY INC0 citations50
HUNTER RICK C
5 patentsUS9010725B2Apr 21, 2015
Valve vented redundant stem seal system
HUNTER RICK C16 citations83
US8146889B2Apr 3, 2012
Low friction coatings for dynamically engaging load bearing surfaces
HUNTER RICK C9 citations83
US7043935B2May 16, 2006
Enclosure thermal shield
HUNTER RICK C10 citations73
US9163739B2Oct 20, 2015
High temperature coating resistant to damage from decompression
HUNTER RICK C2 citations60
US8490950B2Jul 23, 2013
Low friction coatings for dynamically engaging load bearing surfaces
HUNTER RICK C1 citations51