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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:	010180/0424			Pages:	57
		Recorded:	08/20/1999
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 41

Patent #:	4576384	Issue Dt:	03/18/1986	Application #:	06688659	Filing Dt:	01/03/1985
Title:	SPLIT MECHANICAL FACE SEAL

Patent #:	4688807	Issue Dt:	08/25/1987	Application #:	06776810	Filing Dt:	09/17/1985
Title:	SHAFT SEAL

Patent #:	4639000	Issue Dt:	01/27/1987	Application #:	06850107	Filing Dt:	04/10/1986
Title:	AUTOMATIC ALIGNING CARTRIDGE MOUNT SEAL

Patent #:	4906008	Issue Dt:	03/06/1990	Application #:	07210767	Filing Dt:	06/23/1988
Title:	MECHANICAL SEAL

Patent #:	4905366	Issue Dt:	03/06/1990	Application #:	07357257	Filing Dt:	05/26/1989
Title:	METOD OF INSTALLING A POSITIVE BEARING HOUSING SEAL

Patent #:	4989882	Issue Dt:	02/05/1991	Application #:	07407117	Filing Dt:	09/14/1989
Title:	SHAFT SEAL WITH PREDETERMINED MOUNTING PARAMETERS

Patent #:	4997191	Issue Dt:	03/05/1991	Application #:	07422733	Filing Dt:	10/17/1989
Title:	ADJUSTABLE SHAFT SEAL AND METHOD OF ADJUSTMENT

Patent #:	5071139	Issue Dt:	12/10/1991	Application #:	07457396	Filing Dt:	12/27/1989
Title:	PRESSURE ACTIVATED EMERGENCY/TEMPORARY SEAL

Patent #:	5026077	Issue Dt:	06/25/1991	Application #:	07482825	Filing Dt:	02/21/1990
Title:	OMNI-DIRECTIONAL ARTICULATED MOUNTING ASSEMBLY FOR SHAFT SEALS

Patent #:	5129482	Issue Dt:	07/14/1992	Application #:	07582392	Filing Dt:	09/13/1990
Title:	CLOSED LUBRICATION SYSTEM FOR BEARINGS

Patent #:	5203575	Issue Dt:	04/20/1993	Application #:	07779104	Filing Dt:	10/18/1991
Title:	BALANCED MECHANICAL SEAL ASSEMBLY AND FLOW RING THEREFOR

Patent #:	5263404	Issue Dt:	11/23/1993	Application #:	07819089	Filing Dt:	01/09/1992
Title:	ANTI-ROTATION WIPER RING

Patent #:	5213340	Issue Dt:	05/25/1993	Application #:	07873707	Filing Dt:	04/22/1992
Title:	BALANCED MECHANICAL SEAL

Patent #:	5333882	Issue Dt:	08/02/1994	Application #:	07913292	Filing Dt:	07/14/1992
Title:	BALANCED MECHANICAL SEAL ASSEMBLY AND FLOW RING THEREFOR

Patent #:	5209496	Issue Dt:	05/11/1993	Application #:	07918887	Filing Dt:	07/24/1992
Title:	UNIVERSAL SEAL OR PACKING GLAND

Patent #:	5398944	Issue Dt:	03/21/1995	Application #:	07986332	Filing Dt:	12/07/1992
Title:	SEALING SYSTEM FOR RECIPROCATING ROD

Patent #:	5339520	Issue Dt:	08/23/1994	Application #:	08061579	Filing Dt:	05/13/1993
Title:	BRAIDED HIGH-TEMPERATURE PACKING

Patent #:	5344291	Issue Dt:	09/06/1994	Application #:	08091978	Filing Dt:	07/15/1993
Title:	MOTOR PUMP POWER END INTERCONNECT

Patent #:	5368336	Issue Dt:	11/29/1994	Application #:	08095864	Filing Dt:	07/22/1993
Title:	SPLIT FITTING/SEAL

Patent #:	5372730	Issue Dt:	12/13/1994	Application #:	08107058	Filing Dt:	08/17/1993
Title:	FILTERING SYSTEM FOR PUMP SHAFT SEALS

Patent #:	5544897	Issue Dt:	08/13/1996	Application #:	08108452	Filing Dt:	08/19/1993
Title:	CARTRIDGE SEAL HAVING A HIGH CONTACT PRESSURE SEAL AND MEANS FOR INTERSLEEVE ADJUSTMEMT INCLUDING QUENCH FLUID DELIVERY

Patent #:	5426985	Issue Dt:	06/27/1995	Application #:	08114058	Filing Dt:	08/31/1993
Title:	MULTIRANGE ADJUSTABLE FLOW CONTROL

Patent #:	5489105	Issue Dt:	02/06/1996	Application #:	08132286	Filing Dt:	10/06/1993
Title:	SLEEVE FOR SHAFT SEAL

Patent #:	5571268	Issue Dt:	11/05/1996	Application #:	08168860	Filing Dt:	12/16/1993
Title:	UNIVERSAL SPLIT MECHANICAL SEAL

Patent #:	5711532	Issue Dt:	01/27/1998	Application #:	08168874	Filing Dt:	12/16/1993
Title:	SECURING AND CENTERING DEVICES FOR A SPLIT MECHANICAL SEAL

Patent #:	5513858	Issue Dt:	05/07/1996	Application #:	08233503	Filing Dt:	04/26/1994
Title:	SPLIT INTERLOCKING SEAL

Patent #:	5456286	Issue Dt:	10/10/1995	Application #:	08278578	Filing Dt:	07/21/1994
Title:	SHAFT SEAL COOLANT FLOW CONTROL

Patent #:	5725220	Issue Dt:	03/10/1998	Application #:	08442319	Filing Dt:	05/16/1995
Title:	SECURING AND CENTERING DEVICES FOR A SPLIT MECHANICAL SEAL

Patent #:	5636847	Issue Dt:	06/10/1997	Application #:	08527458	Filing Dt:	09/13/1995
Title:	DUAL FACE SEAL WITH CLEAN BARRIER FLUID AND DYNAMIC PRESSURE CONTROL SYSTEM

Patent #:	5794504	Issue Dt:	08/18/1998	Application #:	08530900	Filing Dt:	09/20/1995
Title:	LUBRICATED BRAIDED PACKING AND METHOD OF MAKING SAME

Patent #:	5769427	Issue Dt:	06/23/1998	Application #:	08727194	Filing Dt:	10/08/1996
Title:	DUAL SEAL WITH CLEAN BARRIER FLUID AND DYNAMIC PRESSURE CONTROL

Patent #:	5938205	Issue Dt:	08/17/1999	Application #:	08912558	Filing Dt:	08/18/1997
Title:	METHOD AND APPARATUS FOR OPTIMIZING BARRIER FLUID FLOW FOR PROMOTING COOL RUNNING OF A CARTRIDGE DUAL SEAL

Patent #:	5913520	Issue Dt:	06/22/1999	Application #:	08914663	Filing Dt:	08/19/1997
Title:	CENTERING DEVICES FOR A SPLIT MECHANICAL SEAL

Patent #:	6059293	Issue Dt:	05/09/2000	Application #:	08992611	Filing Dt:	12/17/1997
Title:	SPLIT MECHANICAL FACE SEAL WITH SEAL FACE FLUID INTRODUCING STRUCTURE

Patent #:	6068263	Issue Dt:	05/30/2000	Application #:	08992613	Filing Dt:	12/17/1997
Title:	SPLIT MECHANICAL FACE SEAL WITH RESILIENT PIVOTING MEMBER

Patent #:	6068264	Issue Dt:	05/30/2000	Application #:	08992751	Filing Dt:	12/17/1997
Title:	SPLIT MECHANICAL FACE SEAL WITH NEGATIVE PRESSURE CONTROL SYSTEM

Patent #:	6131912	Issue Dt:	10/17/2000	Application #:	08992753	Filing Dt:	12/17/1997
Title:	SPLIT MECHANICAL FACE SEAL

Patent #:	6076830	Issue Dt:	06/20/2000	Application #:	09013089	Filing Dt:	01/26/1998
Title:	DUAL NON-CONTACTNG MECHANICAL FACE SEAL HAVING CONCENTRIC SEAL FACES

Patent #:	6120034	Issue Dt:	09/19/2000	Application #:	09013635	Filing Dt:	01/26/1998
Title:	SECONDARY SEALING ASSEMBLY FOR MECHANICAL FACE SEAL

Patent #:	6155572	Issue Dt:	12/05/2000	Application #:	09013698	Filing Dt:	01/26/1998
Title:	NON-CONTACTING MECHANICAL FACE SEAL INCLUDING FLUID CONTROL SYSTEM

Patent #:	6116609	Issue Dt:	09/12/2000	Application #:	09033538	Filing Dt:	03/02/1998
Title:	FLUIDIC FEEDBACK PRESSURE REGULATION SYSTEM FOR A MECHANICAL SEAL

Assignor

A.W. CHESTERTON COMPANY

Exec Dt:

07/30/1999

Assignee

BANKBOSTON, N .A.

100 FEDERAL STREET

BOSTON, MASSACHUSETTS 02110

Correspondence name and address
	SULLIVAN & WORCESTER LLP
	WILLIAM A. LEVINE, ESQ.
	ONE POST OFFICE SQUARE
	BOSTON, MA 02110

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