Assignee
STINGER WELLHEAD PROT INC
US·62 granted patents·1 pending application·1,015 citations·filing 2003–2011
Top patents by PatentIndex Score
63 records- 0198US7828053B2Multipart frac head with replaceable componentsSTINGER WELLHEAD PROT INC·Filed 2007·Granted Nov 9, 2010·100 cites·19 claims
- 0298US7789133B2Erosion resistant frac headSTINGER WELLHEAD PROT INC·Filed 2008·Granted Sep 7, 2010·112 cites·14 claims
- 0394US7604058B2Casing mandrel for facilitating well completion, re-completion or workoverSTINGER WELLHEAD PROT INC·Filed 2007·Granted Oct 20, 2009·41 cites·20 claims
- 0494US7481239B2Gate valve with replaceable insertsSTINGER WELLHEAD PROT INC·Filed 2004·Granted Jan 27, 2009·38 cites·20 claims
- 0594US7237615B2Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrelSTINGER WELLHEAD PROT INC·Filed 2006·Granted Jul 3, 2007·45 cites·18 claims
- 0693US7921923B2Casing mandrel for facilitating well completion, re-completion or workoverSTINGER WELLHEAD PROT INC·Filed 2009·Granted Apr 12, 2011·33 cites·20 claims
- 0793US7484776B2High-pressure threaded union with metal-to-metal seal, and metal ring gasket for sameSTINGER WELLHEAD PROT INC·Filed 2005·Granted Feb 3, 2009·22 cites·16 claims
- 0893US7267180B2Multi-lock adapters for independent screwed wellheads and methods of using sameSTINGER WELLHEAD PROT INC·Filed 2006·Granted Sep 11, 2007·36 cites·20 claims
- 0993US7204474B2High-pressure plug valveSTINGER WELLHEAD PROT INC·Filed 2004·Granted Apr 17, 2007·38 cites·27 claims
- 1092US7946558B2High-pressure plug valveSTINGER WELLHEAD PROT INC·Filed 2010·Granted May 24, 2011·8 cites·20 claims
- 1191US7516786B2Wellhead and control stack pressure test plug toolSTINGER WELLHEAD PROT INC·Filed 2007·Granted Apr 14, 2009·30 cites·20 claims
- 1288US7213641B2Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing sameSTINGER WELLHEAD PROT INC·Filed 2004·Granted May 8, 2007·59 cites·28 claims
- 1388US7207384B2Wellhead and control stack pressure test plug toolSTINGER WELLHEAD PROT INC·Filed 2004·Granted Apr 24, 2007·64 cites·20 claims
- 1487US7296631B2System and method for low-pressure well completionSTINGER WELLHEAD PROT INC·Filed 2007·Granted Nov 20, 2007·23 cites·24 claims
- 1586US7922216B2High-pressure threaded union with metal-to-metal seal, and metal ring gasket for sameSTINGER WELLHEAD PROT INC·Filed 2010·Granted Apr 12, 2011·6 cites·20 claims
- 1685US7934546B2Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing sameSTINGER WELLHEAD PROT INC·Filed 2009·Granted May 3, 2011·16 cites·18 claims
- 1784US7481418B2Two-part back cap for a plug valve and plug valves incorporating sameSTINGER WELLHEAD PROT INC·Filed 2006·Granted Jan 27, 2009·8 cites·19 claims
- 1883US7984932B2Threaded union for tubulars used in high-pressure fluid applicationsSTINGER WELLHEAD PROT INC·Filed 2007·Granted Jul 26, 2011·9 cites·19 claims
- 1983US7905293B2Hybrid wellhead system and method of useSTINGER WELLHEAD PROT INC·Filed 2010·Granted Mar 15, 2011·5 cites·20 claims
- 2083US7721808B2Hybrid wellhead system and method of useSTINGER WELLHEAD PROT INC·Filed 2008·Granted May 25, 2010·14 cites·20 claims
- 2183US7350562B2Drilling flange and independent screwed wellhead with metal-to-metal seal and method of useSTINGER WELLHEAD PROT INC·Filed 2006·Granted Apr 1, 2008·16 cites·20 claims
- 2281US8016031B2Erosion resistant frac headSTINGER WELLHEAD PROT INC·Filed 2010·Granted Sep 13, 2011·6 cites·11 claims
- 2379US7428931B2Multi-lock adapters for independent screwed wellheads and methods of using sameSTINGER WELLHEAD PROT INC·Filed 2007·Granted Sep 30, 2008·11 cites·20 claims
- 2478US7845619B2Two-part back cap for a plug valve and plug valves incorporating sameSTINGER WELLHEAD PROT INC·Filed 2010·Granted Dec 7, 2010·3 cites·20 claims
- 2577US7628201B2Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing sameSTINGER WELLHEAD PROT INC·Filed 2007·Granted Dec 8, 2009·11 cites·18 claims
- 2677US7395867B2Hybrid wellhead system and method of useSTINGER WELLHEAD PROT INC·Filed 2007·Granted Jul 8, 2008·10 cites·21 claims
- 2775US7950410B2Gate valve with replaceable inserts and method of refurbishing sameSTINGER WELLHEAD PROT INC·Filed 2008·Granted May 31, 2011·5 cites·14 claims
- 2874US7699291B2Two-part back cap for a plug valve and plug valves incorporating sameSTINGER WELLHEAD PROT INC·Filed 2009·Granted Apr 20, 2010·4 cites·20 claims
- 2974US7597307B2Two-part back cap for a plug valve and plug valves incorporating sameSTINGER WELLHEAD PROT INC·Filed 2008·Granted Oct 6, 2009·4 cites·19 claims
- 3074US7584798B2Subsurface lubricator and method of useSTINGER WELLHEAD PROT INC·Filed 2006·Granted Sep 8, 2009·12 cites·20 claims
- 3173US7703205B2Method of refurbishing a high-pressure plug valveSTINGER WELLHEAD PROT INC·Filed 2007·Granted Apr 27, 2010·4 cites·20 claims
- 3273US7481269B2Hybrid wellhead system and method of useSTINGER WELLHEAD PROT INC·Filed 2007·Granted Jan 27, 2009·8 cites·20 claims
- 3373US7434617B2Cup tool with three-part packoff for a high pressure mandrelSTINGER WELLHEAD PROT INC·Filed 2006·Granted Oct 14, 2008·11 cites·20 claims
- 3473US7210525B2Apparatus for controlling a tool having a mandrel that must be stroked into or out of a wellSTINGER WELLHEAD PROT INC·Filed 2003·Granted May 1, 2007·35 cites·17 claims
- 3572US7654585B2High-pressure threaded union with metal-to-metal seal, and metal ring gasket for sameSTINGER WELLHEAD PROT INC·Filed 2008·Granted Feb 2, 2010·4 cites·17 claims
- 3672US7604050B2Wellhead and control stack pressure test plug toolSTINGER WELLHEAD PROT INC·Filed 2008·Granted Oct 20, 2009·9 cites·20 claims
- 3772US7243733B2Cup tool for a high-pressure mandrel and method of using sameSTINGER WELLHEAD PROT INC·Filed 2005·Granted Jul 17, 2007·12 cites·20 claims
- 3871US7857062B2Configurable wellhead system with permanent fracturing spool and method of useSTINGER WELLHEAD PROT INC·Filed 2009·Granted Dec 28, 2010·9 cites·20 claims
- 3971US7475721B2Drilling flange and independent screwed wellhead with metal-to-metal seal and method of useSTINGER WELLHEAD PROT INC·Filed 2008·Granted Jan 13, 2009·8 cites·20 claims
- 4069US7806175B2Retrivevable frac mandrel and well control stack to facilitate well completion, re-completion or workover and method of useSTINGER WELLHEAD PROT INC·Filed 2007·Granted Oct 5, 2010·11 cites·10 claims
- 4168US7422070B2Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrelSTINGER WELLHEAD PROT INC·Filed 2007·Granted Sep 9, 2008·7 cites·20 claims
- 4267US7708079B2Multi-lock adapters for independent screwed wellheads and methods of using sameSTINGER WELLHEAD PROT INC·Filed 2008·Granted May 4, 2010·5 cites·20 claims
- 4367US7650936B2Drilling flange and independent screwed wellhead with metal-to-metal seal and method of useSTINGER WELLHEAD PROT INC·Filed 2008·Granted Jan 26, 2010·6 cites·19 claims
- 4467US7578351B2Configurable wellhead system with permanent fracturing spool and method of useSTINGER WELLHEAD PROT INC·Filed 2006·Granted Aug 25, 2009·8 cites·20 claims
- 4566US7506660B2Gate valve with replaceable inserts and method of refurbishing sameSTINGER WELLHEAD PROT INC·Filed 2007·Granted Mar 24, 2009·2 cites·20 claims
- 4665US7984758B2Multi-lock adapters for independent screwed wellheads and methods of using sameSTINGER WELLHEAD PROT INC·Filed 2010·Granted Jul 26, 2011·1 cites·20 claims
- 4765US7775288B2Retrievable frac mandrel and well control stack to facilitate well completion, re-completion or workover and method of useSTINGER WELLHEAD PROT INC·Filed 2006·Granted Aug 17, 2010·9 cites·19 claims
- 4862USRE42772ELarge particulate removal systemSTINGER WELLHEAD PROT INC·Filed 2008·Granted Oct 4, 2011·8 cites·58 claims
- 4962US7278490B2Blast joint swivel for wellhead isolation tool and method of using sameSTINGER WELLHEAD PROT INC·Filed 2004·Granted Oct 9, 2007·24 cites·20 claims
- 5061US7896087B2Method of subsurface lubrication to facilitate well completion, re-completion and workoverSTINGER WELLHEAD PROT INC·Filed 2009·Granted Mar 1, 2011·5 cites·18 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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