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Patent Assignment Details

NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:	018767/0230			Pages:	19
		Recorded:	12/21/2006
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 59

Patent #:	5012865	Issue Dt:	05/07/1991	Application #:	07413187	Filing Dt:	09/27/1989
Title:	ANNULAR AND CONCENTRIC FLOW WELLHEAD ISOLATION TOOL

Patent #:	5261487	Issue Dt:	11/16/1993	Application #:	07909680	Filing Dt:	07/07/1992
Title:	PACKOFF NIPPLE

Patent #:	5285852	Issue Dt:	02/15/1994	Application #:	07909716	Filing Dt:	07/27/1992
Title:	WELLHEAD ISOLATION TOOL AND METHOD OF USE THEREOF

Patent #:	5396956	Issue Dt:	03/14/1995	Application #:	08165495	Filing Dt:	12/13/1993
Title:	WELL HEAD ISOLATION TOOL SEALING NIPPLE TESTING APPARATUS AND METHOD OF PRESSURE TESTING ISOLATION TOOL SEALING NIPPLE SEALS WHEN IN POSITION ON A WELL

Patent #:	5540282	Issue Dt:	07/30/1996	Application #:	08328144	Filing Dt:	10/21/1994
Title:	APPARATUS AND METHOD FOR COMPLETING RECOMPLETING PRODUCTION WELLS

Patent #:	5615739	Issue Dt:	04/01/1997	Application #:	08640335	Filing Dt:	04/30/1996
Title:	APPARATUS AND METHOD FOR COMPLETING AND RECOMPLETING WELLS FOR PRODUCTION

Patent #:	5785121	Issue Dt:	07/28/1998	Application #:	08661995	Filing Dt:	06/12/1996
Title:	BLOWOUT PREVENTER PROTECTOR AND METHOD OF USING SAME DURING OIL AND GAS WELL STIMULATION

Patent #:	5819851	Issue Dt:	10/13/1998	Application #:	08783860	Filing Dt:	01/16/1997
Title:	BLOWOUT PREVENTER PROTECTOR FOR USE DURING HIGH PRESSURE OIL/GAS WELL STIMULATION

Patent #:	5927403	Issue Dt:	07/27/1999	Application #:	08837574	Filing Dt:	04/21/1997
Title:	APPARATUS FOR INCREASING THE FLOW OF PRODUCTION STIMULATION FLUIDS THROUGH A WELLHEAD

Patent #:	6234253	Issue Dt:	05/22/2001	Application #:	09201619	Filing Dt:	11/30/1998
Title:	METHOD AND APPARATUS FOR WELL WORKOVER OR SERVICING

Patent #:	6145596	Issue Dt:	11/14/2000	Application #:	09268460	Filing Dt:	03/16/1999
Title:	METHOD AND APPARATUS FOR DUAL STRING WELL TREE ISOLATION

Patent #:	6289993	Issue Dt:	09/18/2001	Application #:	09338752	Filing Dt:	06/23/1999
Title:	BLOWOUT PREVENTER PROTECTOR AND SETTING TOOL

Patent #:	6220363	Issue Dt:	04/24/2001	Application #:	09356231	Filing Dt:	07/16/1999
Title:	WELLHEAD ISOLATION TOOL AND METHOD OF USING SAME

Patent #:	6179053	Issue Dt:	01/30/2001	Application #:	09373418	Filing Dt:	08/12/1999
Title:	LOCKDOWN MECHANISM FOR WELL TOOLS REQUIRING FIXED-POINT PACKOFF

Patent #:	6364024	Issue Dt:	04/02/2002	Application #:	09493802	Filing Dt:	01/28/2000
Title:	Blowout preventer protector and method of using same

Patent #:	6626245	Issue Dt:	09/30/2003	Application #:	09537629	Filing Dt:	03/29/2000
Title:	BLOWOUT PREVENTER PROTECTOR AND METHOD OF USING SAME

Patent #:	6491098	Issue Dt:	12/10/2002	Application #:	09707739	Filing Dt:	11/07/2000
Title:	METHOD AND APPARATUS FOR PERFORATING AND STIMULATING OIL WELLS

Patent #:	6516891	Issue Dt:	02/11/2003	Application #:	09779087	Filing Dt:	02/08/2001
Title:	DUAL STRING COIL TUBING INJECTOR ASSEMBLY

Patent #:	6510900	Issue Dt:	01/28/2003	Application #:	09780190	Filing Dt:	02/08/2001
Publication #:	US20020104662	Pub Dt:	08/08/2002
Title:	SEAL ASSEMBLY FOR DUAL STRING COIL TUBING INJECTION AND METHOD OF USE

Patent #:	6595297	Issue Dt:	07/22/2003	Application #:	09791980	Filing Dt:	02/23/2001
Publication #:	US20020117308	Pub Dt:	08/29/2002
Title:	METHOD AND APPARATUS FOR INSERTING A TUBING HANGER INTO A LIVE WELL

Patent #:	6712147	Issue Dt:	03/30/2004	Application #:	09998953	Filing Dt:	11/15/2001
Publication #:	US20030089502	Pub Dt:	05/15/2003
Title:	SPOOL FOR PRESSURE CONTAINMENT USED IN RIGLESS WELL COMPLETION, RE-COMPLETION, SERVICING OR WORKOVER

Patent #:	6695064	Issue Dt:	02/24/2004	Application #:	10034032	Filing Dt:	12/19/2001
Publication #:	US20030111271	Pub Dt:	06/19/2003
Title:	SLIP SPOOL AND METHOD OF USING SAME

Patent #:	6769489	Issue Dt:	08/03/2004	Application #:	10050024	Filing Dt:	01/15/2002
Publication #:	US20030116314	Pub Dt:	06/26/2003
Title:	WELL STIMULATION TOOL AND METHOD OF USING SAME

Patent #:	6817423	Issue Dt:	11/16/2004	Application #:	10162773	Filing Dt:	06/04/2002
Publication #:	US20030221838	Pub Dt:	12/04/2003
Title:	WELL STIMULATION TOOL AND METHOD OF USING SAME

Patent #:	6827147	Issue Dt:	12/07/2004	Application #:	10162803	Filing Dt:	06/03/2002
Publication #:	US20030221844	Pub Dt:	12/04/2003
Title:	RECIPROCATING LUBRICATOR

Patent #:	6918441	Issue Dt:	07/19/2005	Application #:	10251149	Filing Dt:	09/20/2002
Publication #:	US20040055742	Pub Dt:	03/25/2004
Title:	CUP TOOL FOR HIGH PRESSURE MANDREL

Patent #:	6948565	Issue Dt:	09/27/2005	Application #:	10327268	Filing Dt:	12/20/2002
Publication #:	US20030116326	Pub Dt:	06/26/2003
Title:	SLIP SPOOL AND METHOD OF USING SAME

Patent #:	6918439	Issue Dt:	07/19/2005	Application #:	10336911	Filing Dt:	01/06/2003
Publication #:	US20040129429	Pub Dt:	07/08/2004
Title:	BACKPRESSURE ADAPTER PIN AND METHODS OF USE

Patent #:	6817421	Issue Dt:	11/16/2004	Application #:	10437158	Filing Dt:	05/13/2003
Publication #:	US20030192698	Pub Dt:	10/16/2003
Title:	BLOWOUT PREVENTER PROTECTOR AND METHOD OF USING SAME

Patent #:	7066269	Issue Dt:	06/27/2006	Application #:	10440795	Filing Dt:	05/19/2003
Publication #:	US20040231856	Pub Dt:	11/25/2004
Title:	CASING MANDREL WITH WELL STIMULATION TOOL AND TUBING HEAD SPOOL FOR USE WITH THE CASING MANDREL

Patent #:	7032677	Issue Dt:	04/25/2006	Application #:	10607921	Filing Dt:	06/27/2003
Publication #:	US20040262012	Pub Dt:	12/30/2004
Title:	MULTI-LOCK ADAPTERS FOR INDEPENDENT SCREWED WELLHEADS AND METHODS OF USING SAME

Patent #:	7040410	Issue Dt:	05/09/2006	Application #:	10617099	Filing Dt:	07/10/2003
Publication #:	US20050006103	Pub Dt:	01/13/2005
Title:	ADAPTERS FOR DOUBLE-LOCKING CASING MANDREL AND METHOD OF USING SAME

Patent #:	7159652	Issue Dt:	01/09/2007	Application #:	10656693	Filing Dt:	09/04/2003
Publication #:	US20050051362	Pub Dt:	03/10/2005
Title:	DRILLING FLANGE AND INDEPENDENT SCREWED WELLHEAD WITH METAL-TO-METAL SEAL AND METHOD OF USE

Patent #:	7055632	Issue Dt:	06/06/2006	Application #:	10683743	Filing Dt:	10/10/2003
Publication #:	US20050077043	Pub Dt:	04/14/2005
Title:	WELL STIMULATION TOOL AN METHOD FOR INSERTING A BACKPRESSURE PLUG THROUGH A MANDREL OF THE TOOL

Patent #:	7125055	Issue Dt:	10/24/2006	Application #:	10690142	Filing Dt:	10/21/2003
Publication #:	US20050082829	Pub Dt:	04/21/2005
Title:	METAL RING GASKET FOR A THREADED UNION

Patent #:	7210525	Issue Dt:	05/01/2007	Application #:	10727806	Filing Dt:	12/04/2003
Publication #:	US20040173347	Pub Dt:	09/09/2004
Title:	APPARATUS FOR CONTROLLING A TOOL HAVING A MANDREL THAT MUST BE STROKED INTO OR OUT OF A WELL

Patent #:	7207384	Issue Dt:	04/24/2007	Application #:	10799085	Filing Dt:	03/12/2004
Publication #:	US20050199389	Pub Dt:	09/15/2005
Title:	WELLHEAD AND CONTROL STACK PRESSURE TEST PLUG TOOL

Patent #:	7159663	Issue Dt:	01/09/2007	Application #:	10802326	Filing Dt:	03/17/2004
Publication #:	US20050082066	Pub Dt:	04/21/2005
Title:	HYBRID WELLHEAD SYSTEM AND METHOD OF USE

Patent #:	NONE	Issue Dt:		Application #:	10804456	Filing Dt:	03/19/2004
Publication #:	US20050205267	Pub Dt:	09/22/2005
Title:	Coil tubing injector for injecting tubings of various diameters

Patent #:	NONE	Issue Dt:		Application #:	10812446	Filing Dt:	03/29/2004
Publication #:	US20050211442	Pub Dt:	09/29/2005
Title:	SYSTEM AND METHOD FOR LOW-PRESSURE WELL COMPLETION

Patent #:	7168495	Issue Dt:	01/30/2007	Application #:	10813832	Filing Dt:	03/31/2004
Publication #:	US20050217868	Pub Dt:	10/06/2005
Title:	CASING-ENGAGING WELL TREE ISOLATION TOOL AND METHOD OF USE

Patent #:	6938696	Issue Dt:	09/06/2005	Application #:	10912894	Filing Dt:	08/06/2004
Publication #:	US20050016736	Pub Dt:	01/27/2005
Title:	BACKPRESSURE ADAPTER PIN AND METHODS OF USE

Patent #:	7204474	Issue Dt:	04/17/2007	Application #:	10912944	Filing Dt:	08/06/2004
Publication #:	US20060027779	Pub Dt:	02/09/2006
Title:	High-pressure plug valve

Patent #:	7213641	Issue Dt:	05/08/2007	Application #:	10979328	Filing Dt:	11/02/2004
Publication #:	US20060090891	Pub Dt:	05/04/2006
Title:	FRACTURING HEAD WITH REPLACEABLE INSERTS FOR IMPROVED WEAR RESISTANCE AND METHOD OF REFURBISHING SAME

Patent #:	7278477	Issue Dt:	10/09/2007	Application #:	10979414	Filing Dt:	11/02/2004
Publication #:	US20060090904	Pub Dt:	05/04/2006
Title:	CUP TOOL, CUP TOOL CUP AND METHOD OF USING THE CUP TOOL

Patent #:	7481239	Issue Dt:	01/27/2009	Application #:	10979427	Filing Dt:	11/02/2004
Publication #:	US20060091347	Pub Dt:	05/04/2006
Title:	GATE VALVE WITH REPLACEABLE INSERTS

Patent #:	7278490	Issue Dt:	10/09/2007	Application #:	11025453	Filing Dt:	12/28/2004
Publication #:	US20060137882	Pub Dt:	06/29/2006
Title:	BLAST JOINT SWIVEL FOR WELLHEAD ISOLATION TOOL AND METHOD OF USING SAME

Patent #:	7392864	Issue Dt:	07/01/2008	Application #:	11182367	Filing Dt:	07/15/2005
Publication #:	US20070012486	Pub Dt:	01/18/2007
Title:	SLIP SPOOL ASSEMBLY AND METHOD OF USING SAME

Patent #:	7484776	Issue Dt:	02/03/2009	Application #:	11182588	Filing Dt:	07/14/2005
Publication #:	US20070013188	Pub Dt:	01/18/2007
Title:	HIGH-PRESSURE THREADED UNION WITH METAL-TO-METAL SEAL, AND METAL RING GASKET FOR SAME

Patent #:	7243733	Issue Dt:	07/17/2007	Application #:	11182873	Filing Dt:	07/15/2005
Publication #:	US20070012439	Pub Dt:	01/18/2007
Title:	CUP TOOL FOR A HIGH-PRESSURE MANDREL AND METHOD OF USING SAME

Patent #:	NONE	Issue Dt:		Application #:	11397077	Filing Dt:	04/04/2006
Publication #:	US20070227742	Pub Dt:	10/04/2007
Title:	A CASING TRANSITION NIPPLE

Patent #:	7584797	Issue Dt:	09/08/2009	Application #:	11397838	Filing Dt:	04/04/2006
Publication #:	US20070227743	Pub Dt:	10/04/2007
Title:	METHOD OF SUBSURFACE LUBRICATION TO FACILITATE WELL COMPLETION, RE-COMPLETION AND WORKOVER

Patent #:	7434617	Issue Dt:	10/14/2008	Application #:	11398182	Filing Dt:	04/05/2006
Publication #:	US20070235182	Pub Dt:	10/11/2007
Title:	CUP TOOL WITH THREE-PART PACKOFF FOR A HIGH PRESSURE MANDREL

Patent #:	7267180	Issue Dt:	09/11/2007	Application #:	11411384	Filing Dt:	04/25/2006
Publication #:	US20060196677	Pub Dt:	09/07/2006
Title:	MULTI-LOCK ADAPTERS FOR INDEPENDENT SCREWED WELLHEADS AND METHODS OF USING SAME

Patent #:	8528585	Issue Dt:	09/10/2013	Application #:	11414582	Filing Dt:	04/28/2006
Publication #:	US20070251578	Pub Dt:	11/01/2007
Title:	Quick-change wear sleeve for a high-pressure fluid conduit

Patent #:	7481418	Issue Dt:	01/27/2009	Application #:	11430605	Filing Dt:	05/09/2006
Publication #:	US20070262282	Pub Dt:	11/15/2007
Title:	TWO-PART BACK CAP FOR A PLUG VALVE AND PLUG VALVES INCORPORATING SAME

Patent #:	7237615	Issue Dt:	07/03/2007	Application #:	11455978	Filing Dt:	06/19/2006
Publication #:	US20060237193	Pub Dt:	10/26/2006
Title:	CASING MANDREL WITH WELL STIMULATION TOOL AND TUBING HEAD SPOOL FOR USE WITH THE CASING MANDREL

Patent #:	7520334	Issue Dt:	04/21/2009	Application #:	11540414	Filing Dt:	09/28/2006
Publication #:	US20080078557	Pub Dt:	04/03/2008
Title:	SUBSURFACE LUBRICATOR AND METHOD OF USE

Patent #:	7584798	Issue Dt:	09/08/2009	Application #:	11541335	Filing Dt:	09/28/2006
Publication #:	US20080078558	Pub Dt:	04/03/2008
Title:	SUBSURFACE LUBRICATOR AND METHOD OF USE

Assignor

OIL STATES ENERGY SERVICES, INC.

Exec Dt:

12/19/2006

Assignee

STINGER WELLHEAD PROTECTION, INC.

P.O. BOX 1639

ALLEN, TEXAS 75013-0028

Correspondence name and address
	LLOYD G. FARR
	1320 MAIN STREET
	COLUMBIA, SC 29201

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