Inventor
ARTHERHOLT DANNY LEE
US27 patents
⚠️ This page may combine multiple inventors who share the name “ARTHERHOLT DANNY LEE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STINGER WELLHEAD PROT INC
13 patentsUS7828053B2Nov 9, 2010
Multipart frac head with replaceable components
STINGER WELLHEAD PROT INC100 citations98
US7484776B2Feb 3, 2009
High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same
STINGER WELLHEAD PROT INC22 citations92
US7481418B2Jan 27, 2009
Two-part back cap for a plug valve and plug valves incorporating same
STINGER WELLHEAD PROT INC8 citations84
US7434617B2Oct 14, 2008
Cup tool with three-part packoff for a high pressure mandrel
STINGER WELLHEAD PROT INC11 citations84
US7243733B2Jul 17, 2007
Cup tool for a high-pressure mandrel and method of using same
STINGER WELLHEAD PROT INC12 citations84
US7922216B2Apr 12, 2011
High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same
STINGER WELLHEAD PROT INC6 citations74
US7699291B2Apr 20, 2010
Two-part back cap for a plug valve and plug valves incorporating same
STINGER WELLHEAD PROT INC4 citations74
US7654585B2Feb 2, 2010
High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same
STINGER WELLHEAD PROT INC4 citations74
US7597307B2Oct 6, 2009
Two-part back cap for a plug valve and plug valves incorporating same
STINGER WELLHEAD PROT INC4 citations74
US7845619B2Dec 7, 2010
Two-part back cap for a plug valve and plug valves incorporating same
STINGER WELLHEAD PROT INC3 citations63
US7708061B2May 4, 2010
Cup tool, cup tool cup and method of using the cup tool
STINGER WELLHEAD PROT INC6 citations63
US7669654B2Mar 2, 2010
Cup tool with three-part packoff for a high pressure mandrel
STINGER WELLHEAD PROT INC2 citations63
US7743822B2Jun 29, 2010
Snubber spool with detachable base plates
STINGER WELLHEAD PROT INC1 citations52
OIL STATES ENERGY SERVICES LLC
7 patentsUS9260933B2Feb 16, 2016
Modular ball drop
OIL STATES ENERGY SERVICES LLC86 citations97
US9228417B2Jan 5, 2016
Horizontal frac ball injector
OIL STATES ENERGY SERVICES LLC8 citations84
US8839851B2Sep 23, 2014
Controlled apperture ball drop
OIL STATES ENERGY SERVICES LLC5 citations82
US9291024B2Mar 22, 2016
Ball drop wellhead control apparatus
OIL STATES ENERGY SERVICES LLC3 citations73
US9222329B2Dec 29, 2015
Low profile, high capacity ball injector
OIL STATES ENERGY SERVICES LLC4 citations73
US9010413B2Apr 21, 2015
Ball drop wellhead control apparatus
OIL STATES ENERGY SERVICES LLC5 citations73
US9869151B2Jan 16, 2018
Controlled aperture ball drop
OIL STATES ENERGY SERVICES LLC0 citations51