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Patent Assignment Details

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Reel/Frame:	003957/0735			Pages:	8
		Recorded:	03/15/1982
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE DATE 12/22/81

Total properties: 49

Patent #:	3203358	Issue Dt:		Application #:	04216478	Filing Dt:
Title:

Patent #:	3288472	Issue Dt:	11/29/1966	Application #:	04291723	Filing Dt:	07/01/1963
Title:	METAL SEAL

Patent #:	3294112	Issue Dt:		Application #:	04291725	Filing Dt:
Title:

Patent #:	3347567	Issue Dt:		Application #:	04326738	Filing Dt:
Title:

Patent #:	3322484	Issue Dt:		Application #:	04326917	Filing Dt:
Title:

Patent #:	3360048	Issue Dt:		Application #:	04378675	Filing Dt:
Title:

Patent #:	3445126	Issue Dt:		Application #:	04458813	Filing Dt:
Title:

Patent #:	3333870	Issue Dt:		Application #:	04517573	Filing Dt:
Title:

Patent #:	3485051	Issue Dt:		Application #:	04640274	Filing Dt:
Title:

Patent #:	3492007	Issue Dt:	01/27/1970	Application #:	04644363	Filing Dt:	06/07/1967
Title:	LOAD BALANCING FULL OPENING AND ROTATING BLOWOUT PREVENTER APPARATUS

Patent #:	3493043	Issue Dt:		Application #:	04659497	Filing Dt:
Title:

Patent #:	3452815	Issue Dt:		Application #:	04660558	Filing Dt:
Title:

Patent #:	3460615	Issue Dt:		Application #:	04673624	Filing Dt:
Title:

Patent #:	3489215	Issue Dt:		Application #:	04778962	Filing Dt:
Title:

Patent #:	3603409	Issue Dt:		Application #:	04811052	Filing Dt:
Title:

Patent #:	3614111	Issue Dt:		Application #:	04868870	Filing Dt:
Title:

Patent #:	3664376	Issue Dt:		Application #:	05005662	Filing Dt:
Title:

Patent #:	3675713	Issue Dt:	07/11/1972	Application #:	05023864	Filing Dt:	03/30/1970
Title:	METHOD AND APPARATUS FOR SEPARATING SUBSEA WELL CONDUIT COUPLINGS FROM A REMOTE FLOATING VESSEL

Patent #:	3583480	Issue Dt:		Application #:	05045038	Filing Dt:
Title:

Patent #:	3765485	Issue Dt:		Application #:	05160399	Filing Dt:
Title:

Patent #:	3779313	Issue Dt:		Application #:	05160407	Filing Dt:
Title:

Patent #:	3791442	Issue Dt:	02/12/1974	Application #:	05184444	Filing Dt:	09/28/1971
Title:	COUPLING MEANS FOR A RISER STRING RUN FROM A FLOATING VESSEL TO A SUBS EA WELL

Patent #:	3884298	Issue Dt:		Application #:	05372169	Filing Dt:
Title:

Patent #:	3889747	Issue Dt:		Application #:	05381531	Filing Dt:
Title:

Patent #:	3858401	Issue Dt:	01/07/1975	Application #:	05420678	Filing Dt:	11/30/1973
Title:	FLOTATION MEANS FOR SUBSEA WELL RISER

Patent #:	3952526	Issue Dt:		Application #:	05546710	Filing Dt:
Title:

Patent #:	3984990	Issue Dt:		Application #:	05585375	Filing Dt:
Title:

Patent #:	3955622	Issue Dt:		Application #:	05585376	Filing Dt:
Title:

Patent #:	3992889	Issue Dt:	11/23/1976	Application #:	05585377	Filing Dt:	06/09/1975
Title:	FLOTATION MEANS FOR SUBSEA WELL RISER

Patent #:	4183562	Issue Dt:	01/15/1980	Application #:	05783636	Filing Dt:	04/01/1977
Title:	MARINE RISER CONDUIT SECTION COUPLING MEANS

Patent #:	4109712	Issue Dt:		Application #:	05820829	Filing Dt:
Title:

Patent #:	4127991	Issue Dt:		Application #:	05822697	Filing Dt:
Title:

Patent #:	4190120	Issue Dt:	02/26/1980	Application #:	05852908	Filing Dt:	11/18/1977
Title:	MOVEABLE GUIDE STRUCTURE FOR A SUB-SEA DRILLING TEMPLATE

Patent #:	4222590	Issue Dt:		Application #:	05874622	Filing Dt:
Title:

Patent #:	4200312	Issue Dt:	04/29/1980	Application #:	05875639	Filing Dt:	02/06/1978
Title:	SUBSEA FLOWLINE CONNECTOR

Patent #:	4135841	Issue Dt:		Application #:	05875640	Filing Dt:
Title:

Patent #:	4333526	Issue Dt:	06/08/1982	Application #:	06037841	Filing Dt:	05/10/1979
Title:	ANNULUS VALVE

Patent #:	4326328	Issue Dt:	04/27/1982	Application #:	06101417	Filing Dt:	12/10/1979
Title:	METHOD OF RELEASABLY CONNECTING A PAIR OF PIPES

Patent #:	4374595	Issue Dt:	02/22/1983	Application #:	06159754	Filing Dt:	06/16/1980
Title:	METAL TO METAL SEALED JOINT FOR TUBING STRING

Patent #:	RE31645	Issue Dt:	08/14/1984	Application #:	06163231	Filing Dt:	06/25/1980
Title:	SAFETY APPARATUS FOR AUTOMATICALLY SEALING HYDRAULIC LINES WITHIN A SUB-SEA WELL CASING

Patent #:	4326584	Issue Dt:	04/27/1982	Application #:	06174946	Filing Dt:	08/04/1980
Title:	KELLY PACKING AND STRIPPER SEAL PROTECTION ELEMENT

Patent #:	4403658	Issue Dt:	09/13/1983	Application #:	06183881	Filing Dt:	09/04/1980
Title:	MULTILINE RISER SUPPORT AND CONNECTION SYSTEM AND METHOD FOR SUBSEA WELLS

Patent #:	4333528	Issue Dt:	06/08/1982	Application #:	06193314	Filing Dt:	10/02/1980
Title:	SEAL ASSEMBLY RELEASING TOOL

Patent #:	4416495	Issue Dt:	11/22/1983	Application #:	06270736	Filing Dt:	06/05/1981
Title:	CONCENTRIC ELECTRIC CONNECTOR FOR SUBSEA WELL APPARATUS

Patent #:	4358085	Issue Dt:	11/09/1982	Application #:	06285677	Filing Dt:	07/20/1981
Title:	KEYING MEANS FOR SEGMENTED END RING BLOWOUT PREVENTER

Patent #:	4345735	Issue Dt:	08/24/1982	Application #:	06288711	Filing Dt:	07/31/1981
Title:	BLOWOUT PREVENTER

Patent #:	4491345	Issue Dt:	01/01/1985	Application #:	06290464	Filing Dt:	08/06/1981
Title:	MARINE CONDUCTOR COUPLING

Patent #:	4433939	Issue Dt:	02/28/1984	Application #:	06297533	Filing Dt:	08/31/1981
Title:	MARINE CONDUCTOR BENDING TOOL AND METHOD

Patent #:	4428433	Issue Dt:	01/31/1984	Application #:	06306443	Filing Dt:	09/28/1981
Title:	TELESCOPIC JOINT UPPER TUBE RETAINER METHOD

Assignor

REGAN OFFSHORE INTERNATIONAL,INC.

Exec Dt:

02/11/1982

Assignee

HUGHES TOOL COMPANY

Correspondence name and address
	HUGHES TOOL COMPANY
	5425 POLK AVE.
	HOUSTON TX. 77001

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