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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:	018866/0268			Pages:	16
		Recorded:	02/07/2007
Conveyance:	PATENT RELEASE OF SECURITY INTEREST

Total properties: 58

Patent #:	4380347	Issue Dt:	04/19/1983	Application #:	06202795	Filing Dt:	10/31/1980
Title:	WELL TOOL

Patent #:	4560176	Issue Dt:	12/24/1985	Application #:	06517484	Filing Dt:	07/26/1983
Title:	INVERTED CONE STUFFING BOX

Patent #:	4589483	Issue Dt:	05/20/1986	Application #:	06676842	Filing Dt:	11/30/1984
Title:	ROD CENTALIZER

Patent #:	4575163	Issue Dt:	03/11/1986	Application #:	06687830	Filing Dt:	12/31/1984
Title:	ROD GUIDE

Patent #:	4605248	Issue Dt:	08/12/1986	Application #:	06689412	Filing Dt:	01/07/1985
Title:	INSULATING UNION AND METHOD

Patent #:	4589566	Issue Dt:	05/20/1986	Application #:	06721263	Filing Dt:	04/08/1985
Title:	PRESSURE RESPONSIVE SAFETY INTERLOCK

Patent #:	4643459	Issue Dt:	02/17/1987	Application #:	06743551	Filing Dt:	06/11/1985
Title:	QUICK-CONNECT HOSE COUPLING

Patent #:	4879912	Issue Dt:	11/14/1989	Application #:	07165662	Filing Dt:	03/08/1988
Title:	UNITIZED INSTRUMENT MANIFOLD

Patent #:	4886303	Issue Dt:	12/12/1989	Application #:	07217203	Filing Dt:	07/11/1988
Title:	COUPLING WITH IMPROVED ELASTOMERIC FACE SEAL

Patent #:	4877386	Issue Dt:	10/31/1989	Application #:	07287414	Filing Dt:	12/20/1988
Title:	AUTOMATED SUCKER ROD CLEANING APPARATUS

Patent #:	5028079	Issue Dt:	07/02/1991	Application #:	07422490	Filing Dt:	10/17/1989
Title:	NON-CRUSHING WELLHEAD

Patent #:	5115863	Issue Dt:	05/26/1992	Application #:	07682164	Filing Dt:	04/05/1991
Title:	LOW TURBULENCE ROD GUIDE

Patent #:	5247990	Issue Dt:	09/28/1993	Application #:	07849762	Filing Dt:	03/12/1992
Title:	CENTRALIZER

Patent #:	5277254	Issue Dt:	01/11/1994	Application #:	07997160	Filing Dt:	12/23/1992
Title:	HELICAL ROD GUIDE

Patent #:	5339896	Issue Dt:	08/23/1994	Application #:	08058106	Filing Dt:	05/06/1993
Title:	FIELD INSTALLABLE ROD GUIDE AND METHOD

Patent #:	5358041	Issue Dt:	10/25/1994	Application #:	08067730	Filing Dt:	05/26/1993
Title:	ROD GUIDE

Patent #:	5427178	Issue Dt:	06/27/1995	Application #:	08198114	Filing Dt:	02/17/1994
Title:	TUBING ROTATOR AND HANGER

Patent #:	5494104	Issue Dt:	02/27/1996	Application #:	08272414	Filing Dt:	07/08/1994
Title:	SNAP-ON ROD GUIDE

Patent #:	5452760	Issue Dt:	09/26/1995	Application #:	08308306	Filing Dt:	09/19/1994
Title:	WELL PUMP TUBING SCRAPERS

Patent #:	5492373	Issue Dt:	02/20/1996	Application #:	08314054	Filing Dt:	09/28/1994
Title:	WELLHEAD FLANGE FOR INTERCONNECTING A THREADED WELLHEAD AND A FLANGED BLOWOUT PREVENTER

Patent #:	5492174	Issue Dt:	02/20/1996	Application #:	08328725	Filing Dt:	10/25/1994
Title:	ROD GUIDE WITH ENHANCED ERODABLE VOLUME

Patent #:	5727627	Issue Dt:	03/17/1998	Application #:	08421243	Filing Dt:	04/13/1995
Title:	WELL ROD CENTRALIZER/CENTRALIZER STOP INTERFACE WITH WEAR REDUCING SURFACE

Patent #:	5549158	Issue Dt:	08/27/1996	Application #:	08437936	Filing Dt:	05/09/1995
Title:	FIELD INSTALLED SLOTTED ROD GUIDE AND METHOD

Patent #:	5653290	Issue Dt:	08/05/1997	Application #:	08440001	Filing Dt:	05/12/1995
Title:	ROTATING ROD STRING POSITION ADJUSTING DEVICE

Patent #:	5605194	Issue Dt:	02/25/1997	Application #:	08492350	Filing Dt:	06/19/1995
Title:	INDEPENDENT SCREWED WELLHEAD WITH HIGH PRESSURE CAPABILITY AND METHOD

Patent #:	5617917	Issue Dt:	04/08/1997	Application #:	08511432	Filing Dt:	08/04/1995
Title:	INTEGRAL BLOWOUT PREVENTER AND FLOW TEE

Patent #:	5692562	Issue Dt:	12/02/1997	Application #:	08528334	Filing Dt:	09/14/1995
Title:	WELL ROD, CENTRALIZER AND CENTRALIZER STOP INTERFACES WITH WEAR REDUCING SURFACE

Patent #:	5711533	Issue Dt:	01/27/1998	Application #:	08579328	Filing Dt:	12/27/1995
Title:	OILFIELD STUFFING BOX WITH POLISHED ROD ALIGNMENT

Patent #:	5622371	Issue Dt:	04/22/1997	Application #:	08584114	Filing Dt:	01/11/1996
Title:	STUFFING BOX WITH IMPROVED PACKING RINGS AND METHOD

Patent #:	5845909	Issue Dt:	12/08/1998	Application #:	08814025	Filing Dt:	03/10/1997
Title:	STUFFING BOX WITH IMPROVED PACKING RINGS AND METHOD

Patent #:	5755284	Issue Dt:	05/26/1998	Application #:	08821716	Filing Dt:	03/20/1997
Title:	EXTENDED WEAR ROD GUIDE AND METHOD

Patent #:	5873157	Issue Dt:	02/23/1999	Application #:	08862323	Filing Dt:	05/23/1997
Title:	FIELD INSTALLABLE ROD GUIDE AND METHOD

Patent #:	5865245	Issue Dt:	02/02/1999	Application #:	08888210	Filing Dt:	07/03/1997
Title:	STUFFING BOX GLAND

Patent #:	6026898	Issue Dt:	02/22/2000	Application #:	08967439	Filing Dt:	11/11/1997
Title:	INTEGRAL TUBING HEAD AND ROTATOR

Patent #:	6065537	Issue Dt:	05/23/2000	Application #:	09023595	Filing Dt:	02/13/1998
Title:	ROD GUIDE WITH BOTH HIGH ERODIBLE WEAR VOLUME AND BY-PASS AREA

Patent #:	6095241	Issue Dt:	08/01/2000	Application #:	09095041	Filing Dt:	06/10/1998
Title:	COUPLING DEVICE FOR A DRIVE ASSEMBLY

Patent #:	6386292	Issue Dt:	05/14/2002	Application #:	09479797	Filing Dt:	01/10/2000
Title:	Wellbore annulus packer apparatus and method

Patent #:	6312637	Issue Dt:	11/06/2001	Application #:	09547413	Filing Dt:	04/11/2000
Title:	Method of making a rod guide with both high erodible wear volume and by-pass area

Patent #:	6530433	Issue Dt:	03/11/2003	Application #:	09733163	Filing Dt:	12/08/2000
Publication #:	US20020070030	Pub Dt:	06/13/2002
Title:	WELLHEAD WITH IMPROVED ESP CABLE PACK-OFF AND METHOD

Patent #:	6663149	Issue Dt:	12/16/2003	Application #:	09778292	Filing Dt:	02/06/2001
Title:	THREADED CLOSURE

Patent #:	6742957	Issue Dt:	06/01/2004	Application #:	10017966	Filing Dt:	10/30/2001
Publication #:	US20030081991	Pub Dt:	05/01/2003
Title:	THREADED CLOSURE

Patent #:	6685380	Issue Dt:	02/03/2004	Application #:	10021175	Filing Dt:	10/30/2001
Publication #:	US20030081992	Pub Dt:	05/01/2003
Title:	THREADED CLOSURE WITH CHAIN BINDER

Patent #:	6786670	Issue Dt:	09/07/2004	Application #:	10166950	Filing Dt:	06/11/2002
Publication #:	US20030081993	Pub Dt:	05/01/2003
Title:	THREADED CLOSURE

Patent #:	7051897	Issue Dt:	05/30/2006	Application #:	10188558	Filing Dt:	07/02/2002
Publication #:	US20040004081	Pub Dt:	01/08/2004
Title:	CLOSURE FOR A PRESSURE VESSEL AND METHOD

Patent #:	6695060	Issue Dt:	02/24/2004	Application #:	10246981	Filing Dt:	09/19/2002
Title:	DOWNHOLE PUMPING SYSTEM

Patent #:	7036674	Issue Dt:	05/02/2006	Application #:	10252300	Filing Dt:	09/23/2002
Publication #:	US20040056031	Pub Dt:	03/25/2004
Title:	CLOSURE FOR A PRESSURE VESSEL AND METHOD

Patent #:	6834717	Issue Dt:	12/28/2004	Application #:	10264673	Filing Dt:	10/04/2002
Publication #:	US20040065434	Pub Dt:	04/08/2004
Title:	TUBING ROTATOR

Patent #:	6881045	Issue Dt:	04/19/2005	Application #:	10465458	Filing Dt:	06/19/2003
Publication #:	US20040258548	Pub Dt:	12/23/2004
Title:	PROGRESSIVE CAVITY PUMP/MOTOR

Patent #:	7243685	Issue Dt:	07/17/2007	Application #:	10839076	Filing Dt:	05/05/2004
Publication #:	US20050247711	Pub Dt:	11/10/2005
Title:	HIGH PRESSURE CLOSURE

Patent #:	7407372	Issue Dt:	08/05/2008	Application #:	10845951	Filing Dt:	05/14/2004
Publication #:	US20050254964	Pub Dt:	11/17/2005
Title:	PROGRESSING CAVITY PUMP OR MOTOR

Patent #:	7107154	Issue Dt:	09/12/2006	Application #:	10853592	Filing Dt:	05/25/2004
Publication #:	US20050267686	Pub Dt:	12/01/2005
Title:	WELLBORE EVALUATION SYSTEM AND METHOD

Patent #:	7255165	Issue Dt:	08/14/2007	Application #:	10883140	Filing Dt:	07/01/2004
Publication #:	US20060000602	Pub Dt:	01/05/2006
Title:	FIELD-INSTALLABLE ROD GUIDE

Patent #:	NONE	Issue Dt:		Application #:	11027062	Filing Dt:	12/30/2004
Publication #:	US20050118040	Pub Dt:	06/02/2005
Title:	Progressive cavity pump/motor

Patent #:	7341161	Issue Dt:	03/11/2008	Application #:	11088401	Filing Dt:	03/24/2005
Publication #:	US20050161957	Pub Dt:	07/28/2005
Title:	CLOSURE FOR A PRESSURE VESSEL AND METHOD

Patent #:	NONE	Issue Dt:		Application #:	11101824	Filing Dt:	04/08/2005
Publication #:	US20060225890	Pub Dt:	10/12/2006
Title:	Tubing rotator

Patent #:	NONE	Issue Dt:		Application #:	11248070	Filing Dt:	10/12/2005
Publication #:	US20060083997	Pub Dt:	04/20/2006
Title:	Photomask with wavelength reduction material and pellicle

Patent #:	NONE	Issue Dt:		Application #:	11270672	Filing Dt:	11/09/2005
Publication #:	US20070102151	Pub Dt:	05/10/2007
Title:	Helical rod guide and method

Patent #:	D362196	Issue Dt:	09/12/1995	Application #:	29029566	Filing Dt:	10/11/1994
Title:	ROD GUIDE GAUGE

Assignor

BANK OF NEW YORK TRUST COMPANY, N.A., THE, AS SUCCESSOR TO J.P. MORGAN TRUST COMPANY, AS AGENT

Exec Dt:

12/19/2006

Assignee

ROBBINS & MYERS ENERGY SYSTEMS, L.P.

10586 US HIGHWAY 75 NORTH

WILLIS, TEXAS 77378

Correspondence name and address
	LAURA KONRATH
	WINSTON & STRAWN LLP
	35 W. WACKER DR.
	CHICAGO, ILLINOIS 60601

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