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Patent Assignment Details

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Reel/Frame:	004021/0860			Pages:	8
		Recorded:	07/20/1982
Conveyance:	MERGER (SEE DOCUMENT FOR DETAILS).

Total properties: 45

Patent #:	3393926	Issue Dt:	07/30/1968	Application #:	04370269	Filing Dt:	05/26/1964
Title:	HYDRAULIC COUPLING

Patent #:	3598429	Issue Dt:	08/10/1971	Application #:	04815831	Filing Dt:	04/14/1969
Title:	HYDRAULIC COUPLING

Patent #:	3566505	Issue Dt:		Application #:	04831576	Filing Dt:
Title:

Patent #:	3713204	Issue Dt:		Application #:	05033494	Filing Dt:
Title:

Patent #:	3707025	Issue Dt:		Application #:	05065648	Filing Dt:
Title:

Patent #:	3695634	Issue Dt:		Application #:	05081681	Filing Dt:
Title:

Patent #:	3744822	Issue Dt:	07/10/1973	Application #:	05106726	Filing Dt:	01/15/1971
Title:	APPARATUS FOR A SEALING EXTERNAL SURFACE OF A TUBULAR MEMBER

Patent #:	3713675	Issue Dt:		Application #:	05106727	Filing Dt:
Title:

Patent #:	3704033	Issue Dt:	11/28/1972	Application #:	05106854	Filing Dt:	01/15/1971
Title:	CONNECTOR FOR TUBULAR MEMBERS

Patent #:	3711123	Issue Dt:		Application #:	05106856	Filing Dt:
Title:

Patent #:	3784234	Issue Dt:	01/08/1974	Application #:	05189982	Filing Dt:	10/18/1971
Title:	HYDRAULIC CONNECTOR ACTUATING APPARATUS AND METHOD

Patent #:	3737179	Issue Dt:		Application #:	05219413	Filing Dt:
Title:

Patent #:	3780421	Issue Dt:		Application #:	05281467	Filing Dt:
Title:

Patent #:	3842612	Issue Dt:	10/22/1974	Application #:	05290455	Filing Dt:	09/20/1972
Title:	PIPELINE RECOVERY TOOL AND METHOD

Patent #:	3874706	Issue Dt:	04/01/1975	Application #:	05290953	Filing Dt:	09/28/1972
Title:	BALL AND SOCKET PIPE CONNECTION AND METHOD

Patent #:	3876852	Issue Dt:		Application #:	05354358	Filing Dt:
Title:

Patent #:	3830526	Issue Dt:	08/20/1974	Application #:	05354525	Filing Dt:	04/26/1973
Title:	APPARATUS AND METHOD FOR MAKING SUB-SEA CONNECTIONS

Patent #:	3860270	Issue Dt:	01/14/1975	Application #:	05354798	Filing Dt:	04/26/1973
Title:	APPARATUS AND METHOD FOR MAKING A CONNECTION TO A TUBULAR MEMBER

Patent #:	3844313	Issue Dt:	10/29/1974	Application #:	05354800	Filing Dt:	04/26/1973
Title:	APPARATUS AND METHOD FOR MAKING A TEST CONNECTION

Patent #:	3933519	Issue Dt:	01/20/1976	Application #:	05464037	Filing Dt:	04/25/1974
Title:	SUB-SEA PIPE CLEANING APPARATUS AND METHOD

Patent #:	3931670	Issue Dt:		Application #:	05464105	Filing Dt:
Title:

Patent #:	3921672	Issue Dt:	11/25/1975	Application #:	05484793	Filing Dt:	07/01/1974
Title:	CHOKE FOR CONTROLLING FLOW OF PRESSURIZED FLUID

Patent #:	3986728	Issue Dt:		Application #:	05507030	Filing Dt:	09/18/1974
Title:	PIPE COUPLING

Patent #:	3997197	Issue Dt:	12/14/1976	Application #:	05513056	Filing Dt:	10/08/1974
Title:	BALL AND SOCKET PIPE COUPLING

Patent #:	3997199	Issue Dt:	12/14/1976	Application #:	05554604	Filing Dt:	03/03/1975
Title:	PIPE COUPLING

Patent #:	3977702	Issue Dt:	08/31/1976	Application #:	05557969	Filing Dt:	03/13/1975
Title:	PIPE COUPLING WITH RETRIEVABLE SETTING MEANS

Patent #:	4045054	Issue Dt:	08/30/1977	Application #:	05558427	Filing Dt:	03/14/1975
Title:	APPARATUS FOR RIGIDLY INTERCONNECTING MISALIGNED PIPE ENDS

Patent #:	3944263	Issue Dt:	03/16/1976	Application #:	05558428	Filing Dt:	03/14/1975
Title:	DYNAMIC PIPE COUPLING

Patent #:	3924686	Issue Dt:		Application #:	05558429	Filing Dt:
Title:

Patent #:	4006921	Issue Dt:		Application #:	05585504	Filing Dt:
Title:

Patent #:	4005881	Issue Dt:		Application #:	05602439	Filing Dt:
Title:

Patent #:	3999782	Issue Dt:		Application #:	05606421	Filing Dt:
Title:

Patent #:	4014567	Issue Dt:	03/29/1977	Application #:	05611406	Filing Dt:	09/08/1975
Title:	APPARATUS FOR COUPLING PIPE OR THE LIKE

Patent #:	3978678	Issue Dt:	09/07/1976	Application #:	05622038	Filing Dt:	10/14/1975
Title:	METHOD AND APPARATUS FOR PLUGGING A PIPELINE

Patent #:	4028903	Issue Dt:		Application #:	05631101	Filing Dt:
Title:

Patent #:	4014180	Issue Dt:		Application #:	05633965	Filing Dt:
Title:

Patent #:	4040650	Issue Dt:		Application #:	05634767	Filing Dt:
Title:

Patent #:	4076130	Issue Dt:		Application #:	05662268	Filing Dt:
Title:

Patent #:	4044749	Issue Dt:		Application #:	05682039	Filing Dt:
Title:

Patent #:	4059288	Issue Dt:	11/22/1977	Application #:	05719437	Filing Dt:	09/01/1976
Title:	PRESSURE BALANCED SAFETY PIPELINE CONNECTOR

Patent #:	4078832	Issue Dt:	03/14/1978	Application #:	05752985	Filing Dt:	12/21/1976
Title:	PIPE COUPLING WITH IMPROVED SEAL MEANS

Patent #:	4142739	Issue Dt:		Application #:	05788159	Filing Dt:
Title:

Patent #:	4089455	Issue Dt:		Application #:	05790464	Filing Dt:
Title:

Patent #:	4209270	Issue Dt:		Application #:	05970791	Filing Dt:
Title:

Patent #:	4332277	Issue Dt:	06/01/1982	Application #:	06183828	Filing Dt:	09/03/1980
Title:	PIPELINE PIGGING PLUG

Assignor

HYDROTECH-HUGHES, INC.

Exec Dt:

12/14/1981

Assignee

HUGHES TOOL COMPANY

TEXAS

Correspondence name and address
	HUGHES TOOL COMPANY
	ROBERT A. FELSMAN
	P.O. BOX 2539
	HOUSTON, TX 77001

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