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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:	006308/0956			Pages:	15
		Recorded:	10/16/1992
Conveyance:	ASSIGNS THE ENTIRE RIGHT, TITLE AND INTEREST. SUBJECT TO LICENSE RECITED.

Total properties: 42

Patent #:	4268013	Issue Dt:	05/19/1981	Application #:	05914834	Filing Dt:	06/12/1978
Title:	CRANE MOTION COMPENSATOR

Patent #:	4222592	Issue Dt:	09/16/1980	Application #:	05916981	Filing Dt:	06/19/1978
Title:	TOGGLE MECHANISM CONNECTOR

Patent #:	4349041	Issue Dt:	09/14/1982	Application #:	06067609	Filing Dt:	08/20/1979
Title:	CONTROL VALVE SYSTEM FOR BLOWOUT PREVENTERS

Patent #:	4276932	Issue Dt:	07/07/1981	Application #:	06083200	Filing Dt:	10/10/1979
Title:	WELL CASING HANGER ASSEMBLY

Patent #:	4244628	Issue Dt:	01/13/1981	Application #:	06130227	Filing Dt:	03/14/1980
Title:	GUIDE ROLLER ASSEMBLY

Patent #:	4332367	Issue Dt:	06/01/1982	Application #:	06146077	Filing Dt:	05/02/1980
Title:	BLOWOUT PREVENTER HAVING A VARIABLE RAM SEAL

Patent #:	4438900	Issue Dt:	03/27/1984	Application #:	06156722	Filing Dt:	06/05/1980
Title:	LOCKING MECHANISM FOR ANNULAR BLOWOUT PREVENTER

Patent #:	4283039	Issue Dt:	08/11/1981	Application #:	06156833	Filing Dt:	06/05/1980
Title:	ANNULAR BLOWOUT PREVENTER WITH UPPER AND LOWER SPHERICAL SEALING SURFACES

Patent #:	4335904	Issue Dt:	06/22/1982	Application #:	06183138	Filing Dt:	09/02/1980
Title:	TOGGLE MECHANISM CONNECTOR

Patent #:	4411454	Issue Dt:	10/25/1983	Application #:	06202942	Filing Dt:	11/03/1980
Title:	UNDERWATER WELLHEAD CONNECTOR

Patent #:	4449854	Issue Dt:	05/22/1984	Application #:	06233832	Filing Dt:	02/12/1981
Title:	MOTION COMPENSATOR SYSTEM

Patent #:	4460156	Issue Dt:	07/17/1984	Application #:	06259421	Filing Dt:	05/01/1981
Title:	WELLHEAD CONNECTOR WITH CHECK VALVE

Patent #:	4460149	Issue Dt:	07/17/1984	Application #:	06275280	Filing Dt:	06/19/1981
Title:	ANNULAR BLOWOUT PREVENTER WITH UPPER AND LOWER SPHERICAL SEALING SURFACES

Patent #:	4421173	Issue Dt:	12/20/1983	Application #:	06294436	Filing Dt:	08/20/1981
Title:	MOTION COMPENSATOR WITH IMPROVED POSITION INDICATOR

Patent #:	4467833	Issue Dt:	08/28/1984	Application #:	06301002	Filing Dt:	09/10/1981
Title:	CONTROL VALVE AND ELECTRICAL AND HYDRAULIC CONTROL SYSTEM

Patent #:	4509405	Issue Dt:	04/09/1985	Application #:	06338792	Filing Dt:	01/11/1982
Title:	CONTROL VALVE SYSTEM FOR BLOWOUT PREVENTERS

Patent #:	4471943	Issue Dt:	09/18/1984	Application #:	06343203	Filing Dt:	01/27/1982
Title:	VALVE ASSEMBLY AND SEAT

Patent #:	4625942	Issue Dt:	12/02/1986	Application #:	06489252	Filing Dt:	04/27/1983
Title:	VALVE ASSEMBLY, SEAT AND SEAL

Patent #:	4540046	Issue Dt:	09/10/1985	Application #:	06531928	Filing Dt:	09/13/1983
Title:	SHEAR RAM APPARATUS

Patent #:	4602794	Issue Dt:	07/29/1986	Application #:	06612034	Filing Dt:	05/18/1984
Title:	ANNULAR BLOWOUT PREVENTER WITH UPPER AND LOWER SPHERICAL SEALING SURFACES AND RIGID TRANSLATION ELEMENT

Patent #:	4620692	Issue Dt:	11/04/1986	Application #:	06666874	Filing Dt:	10/31/1984
Title:	CROWN BLOCK COMPENSATOR

Patent #:	4614148	Issue Dt:	09/30/1986	Application #:	06707427	Filing Dt:	03/01/1985
Title:	CONTROL VALVE SYSTEM FOR BLOWOUT PREVENTERS

Patent #:	4688764	Issue Dt:	08/25/1987	Application #:	06707969	Filing Dt:	03/04/1985
Title:	CROWN BLOCK COMPENSATOR

Patent #:	4759256	Issue Dt:	07/26/1988	Application #:	06866781	Filing Dt:	05/23/1986
Title:	TENSIONER RECOIL CONTROL APPARATUS

Patent #:	4724866	Issue Dt:	02/16/1988	Application #:	06891748	Filing Dt:	07/31/1986
Title:	SPEED CONTROL VALVE

Patent #:	4723805	Issue Dt:	02/09/1988	Application #:	06915519	Filing Dt:	10/06/1986
Title:	TRANSLOADER

Patent #:	4770387	Issue Dt:	09/13/1988	Application #:	06922859	Filing Dt:	10/24/1986
Title:	VARIABLE RAM SEAL FOR BLOWOUT PREVENTERS

Patent #:	5012854	Issue Dt:	05/07/1991	Application #:	07033041	Filing Dt:	03/31/1987
Title:	PRESSURE RELEASE VALVE FOR A SUBSEA BLOWOUT PREVENTER

Patent #:	5048914	Issue Dt:	09/17/1991	Application #:	07283590	Filing Dt:	12/13/1988
Title:	ELECTRICAL CONNECTORS INCORPORATING AUTOMATIC POWER CONTROL

Patent #:	4867418	Issue Dt:	09/19/1989	Application #:	07296847	Filing Dt:	01/12/1989
Title:	APPARATUS FOR INCREASING THE LOAD HANDLING CAPABILITY OF SUPPORT AND MANIPULATING EQUIPMENT

Patent #:	4890645	Issue Dt:	01/02/1990	Application #:	07333873	Filing Dt:	04/03/1989
Title:	ROTARY SHEAR SEAL HYDRAULIC VALVE

Patent #:	4880025	Issue Dt:	11/14/1989	Application #:	07346245	Filing Dt:	05/01/1989
Title:	BOP CONTROL SYSTEM AND METHODS FOR USING SAME

Patent #:	4923008	Issue Dt:	05/08/1990	Application #:	07359968	Filing Dt:	06/01/1989
Title:	HYDRAULIC POWER SYSTEM AND METHOD

Patent #:	5025708	Issue Dt:	06/25/1991	Application #:	07472644	Filing Dt:	01/30/1990
Title:	ACTUATOR WITH AUTOMATIC LOCK

Patent #:	5062349	Issue Dt:	11/05/1991	Application #:	07495490	Filing Dt:	03/19/1990
Title:	FLUID ECONOMIZER CONTROL VALVE SYSTEM FOR BLOWOUT PREVENTERS

Patent #:	5066059	Issue Dt:	11/19/1991	Application #:	07504113	Filing Dt:	04/03/1990
Title:	DRILL STRING COMPENSATOR WITH IMPROVED TRANSLOADERS

Patent #:	5070904	Issue Dt:	12/10/1991	Application #:	07543667	Filing Dt:	06/26/1990
Title:	BOP CONTROL SYSTEM AND METHODS FOR USING SAME

Patent #:	5011110	Issue Dt:	04/30/1991	Application #:	07568600	Filing Dt:	08/16/1990
Title:	BOP SEAL WITH IMPROVED METAL INSERTS

Patent #:	5114158	Issue Dt:	05/19/1992	Application #:	07615585	Filing Dt:	11/19/1990
Title:	PACKING ASSEMBLY FOR OILFIELD EQUIPMENT AND METHOD

Patent #:	5064164	Issue Dt:	11/12/1991	Application #:	07641856	Filing Dt:	01/16/1991
Title:	BOP SEAL WITH IMPROVED METAL INSERTS

Patent #:	5116095	Issue Dt:	05/26/1992	Application #:	07642198	Filing Dt:	01/16/1991
Title:	APPARATUS FOR LIFTING HEAVY EQUIPMENT

Patent #:	5158264	Issue Dt:	10/27/1992	Application #:	07660348	Filing Dt:	02/22/1991
Title:	PARALLELL EXPANDING GATE VALVE

Assignor

BAROID TECHNOLOGY, INC.

Exec Dt:

07/16/1992

Assignee

VARCO SHAFFER, INC.

12950 WEST LITTLE YORK

HOUSTON, TEXAS 77041

Correspondence name and address
	WILLIAM P. GREEN
	C/O NILSSON, WURST & GREEN
	707 WILSHIRE BLVD., STE. 3200
	LOS ANGELES, CA. 90017

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