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Reel/Frame:	006779/0356			Pages:	37
		Recorded:	11/15/1993
Conveyance:	MERGER (SEE DOCUMENT FOR DETAILS).

Total properties: 536
Page 1 of 6
Pages: 1 2 3 4 5 6

Patent #:	3506068	Issue Dt:		Application #:	04632408	Filing Dt:
Title:

Patent #:	3542125	Issue Dt:		Application #:	04774632	Filing Dt:
Title:

Patent #:	3494420	Issue Dt:		Application #:	04795129	Filing Dt:
Title:

Patent #:	RE27464	Issue Dt:		Application #:	04871492	Filing Dt:
Title:

Patent #:	3642070	Issue Dt:		Application #:	05034967	Filing Dt:
Title:

Patent #:	3696868	Issue Dt:		Application #:	05099534	Filing Dt:
Title:

Patent #:	3710862	Issue Dt:		Application #:	05150349	Filing Dt:
Title:

Patent #:	4143712	Issue Dt:	03/13/1979	Application #:	05270977	Filing Dt:	07/12/1972
Title:	METHOD OF AND APPARATUS FOR TREATING OR COMPLETING WELLS

Patent #:	3958634	Issue Dt:	05/25/1976	Application #:	05302425	Filing Dt:	10/31/1972
Title:

Patent #:	3908256	Issue Dt:	09/30/1975	Application #:	05399839	Filing Dt:	09/24/1973
Title:

Patent #:	4294313	Issue Dt:	10/13/1981	Application #:	05490557	Filing Dt:	07/24/1974
Title:	KICKOVER TOOL

Patent #:	3990511	Issue Dt:		Application #:	05542117	Filing Dt:
Title:

Patent #:	3999610	Issue Dt:		Application #:	05620637	Filing Dt:
Title:

Patent #:	4049052	Issue Dt:		Application #:	05673928	Filing Dt:
Title:

Patent #:	4109716	Issue Dt:		Application #:	05769263	Filing Dt:
Title:

Patent #:	4174729	Issue Dt:	11/20/1979	Application #:	05772007	Filing Dt:	02/25/1977
Title:	PRESSURE SENSING SAFETY DEVICE

Patent #:	4155022	Issue Dt:	05/15/1979	Application #:	05803214	Filing Dt:	06/03/1977
Title:	LINE FLOW ELECTRIC POWER GENERATOR

Patent #:	4199131	Issue Dt:	04/22/1980	Application #:	05836154	Filing Dt:	09/23/1977
Title:	ACTUATOR MODULE FOR WIRELINE CUTTING SAFETY VALVE

Patent #:	4161782	Issue Dt:	07/17/1979	Application #:	05863678	Filing Dt:	12/23/1977
Title:	MICROPROCESSOR COMPUTERIZED PRESSURE/TEMPERATURE/TIME DOWN-HOLE RECORDER

Patent #:	4149593	Issue Dt:		Application #:	05864878	Filing Dt:
Title:

Patent #:	4214605	Issue Dt:	07/29/1980	Application #:	05868482	Filing Dt:	01/11/1978
Title:	ACTUATOR FOR WIRELINE BLOWOUT PREVENTER

Patent #:	4375237	Issue Dt:	03/01/1983	Application #:	05879968	Filing Dt:	02/21/1978
Title:	WELL EQUIPMENT SETTING OR RETRIEVAL TOOL

Patent #:	4230185	Issue Dt:	10/28/1980	Application #:	05911186	Filing Dt:	05/31/1978
Title:	WELL VALVE

Patent #:	4236734	Issue Dt:	12/02/1980	Application #:	05926277	Filing Dt:	07/20/1978
Title:	WELL TUBING COUPLING SYSTEM

Patent #:	4175987	Issue Dt:	11/27/1979	Application #:	05928855	Filing Dt:	07/28/1978
Title:	LOW ALLOY STEEL

Patent #:	4234167	Issue Dt:	11/18/1980	Application #:	05934797	Filing Dt:	08/18/1978
Title:	AUTOMATIC INHAUL WINCH SYSTEM

Patent #:	4251176	Issue Dt:	02/17/1981	Application #:	05938518	Filing Dt:	08/31/1978
Title:	WELL TUBING HANDLING APPARATUS

Patent #:	4241463	Issue Dt:	12/30/1980	Application #:	05951883	Filing Dt:	10/16/1978
Title:	PROSTHETIC IMPLANT DEVICE

Patent #:	4216830	Issue Dt:	08/12/1980	Application #:	05957153	Filing Dt:	11/02/1978
Title:	FLAPPER VALVE

Patent #:	4193450	Issue Dt:		Application #:	05960168	Filing Dt:
Title:

Patent #:	4294315	Issue Dt:	10/13/1981	Application #:	05960169	Filing Dt:	11/13/1978
Title:	LANDING NIPPLE

Patent #:	4273186	Issue Dt:	06/16/1981	Application #:	05960170	Filing Dt:	11/13/1978
Title:	WELL SAFETY VALVE SYSTEM

Patent #:	4227573	Issue Dt:	10/14/1980	Application #:	05961139	Filing Dt:	11/16/1978
Title:	REINFORCED SEAL UNIT FOR PUMPDOWN PISTONS OR WELL SWABS

Patent #:	4221279	Issue Dt:	09/09/1980	Application #:	06000700	Filing Dt:	12/11/1978
Title:	CENTRIFUGAL LUBRICATION SYSTEM FOR TRANSMISSION POCKET BEARING

Patent #:	4249601	Issue Dt:	02/10/1981	Application #:	06009861	Filing Dt:	02/06/1979
Title:	HYDRAULIC RUNNING TOOL FOR LINER HANGERS

Patent #:	4276937	Issue Dt:	07/07/1981	Application #:	06009869	Filing Dt:	02/07/1979
Title:	WELL SAFETY SYSTEM

Patent #:	4258792	Issue Dt:	03/31/1981	Application #:	06020811	Filing Dt:	03/15/1979
Title:	HYDRAULIC TUBING TENSIONER

Patent #:	4276482	Issue Dt:	06/30/1981	Application #:	06038194	Filing Dt:	05/11/1979
Title:	LINE FLOW ELECTRIC POWER GENERATOR

Patent #:	4258794	Issue Dt:	03/31/1981	Application #:	06038541	Filing Dt:	05/14/1979
Title:	UNDERWATER COMPLETION HABITAT

Patent #:	4289165	Issue Dt:	09/15/1981	Application #:	06039836	Filing Dt:	05/17/1979
Title:	EQUALIZING BALL VALVE MEMBER

Patent #:	4299281	Issue Dt:	11/10/1981	Application #:	06040518	Filing Dt:	05/21/1979
Title:	COMPENSATING BRIDGE PLUG

Patent #:	4253522	Issue Dt:	03/03/1981	Application #:	06041001	Filing Dt:	05/21/1979
Title:	GRAVEL PACK TOOL

Patent #:	4252143	Issue Dt:	02/24/1981	Application #:	06044046	Filing Dt:	05/31/1979
Title:	ACTUATOR

Patent #:	4280561	Issue Dt:	07/28/1981	Application #:	06053782	Filing Dt:	07/02/1979
Title:	VALVE

Patent #:	4247985	Issue Dt:	02/03/1981	Application #:	06054222	Filing Dt:	07/02/1979
Title:	TFL CALIPER

Patent #:	4266614	Issue Dt:	05/12/1981	Application #:	06056886	Filing Dt:	07/12/1979
Title:	VALVE

Patent #:	4307902	Issue Dt:	12/29/1981	Application #:	06057342	Filing Dt:	07/13/1979
Title:	RISER CONNECTOR

Patent #:	4252188	Issue Dt:	02/24/1981	Application #:	06059666	Filing Dt:	07/23/1979
Title:	ACTUATOR

Patent #:	4252195	Issue Dt:	02/24/1981	Application #:	06061032	Filing Dt:	07/26/1979
Title:	WELL TEST SYSTEMS AND METHODS

Patent #:	4289202	Issue Dt:	09/15/1981	Application #:	06067746	Filing Dt:	08/20/1979
Title:	WELL TUBING COUPLING APPARATUS

Patent #:	4311194	Issue Dt:	01/19/1982	Application #:	06067779	Filing Dt:	08/20/1979
Title:	LINER HANGER AND RUNNING AND SETTING TOOL

Patent #:	4289201	Issue Dt:	09/15/1981	Application #:	06068213	Filing Dt:	08/20/1979
Title:	WELL TEST APPARATUS

Patent #:	4272302	Issue Dt:	06/09/1981	Application #:	06072727	Filing Dt:	09/05/1979
Title:	METHOD OF MAKING V-MOS FIELD EFFECT TRANSISTORS UTILIZING A TWO-STEP ANISOTROPIC ETCHING AND ION IMPLANTION

Patent #:	4274485	Issue Dt:	06/23/1981	Application #:	06078712	Filing Dt:	09/25/1979
Title:	METHOD AND SYSTEM FOR WELL TESTING

Patent #:	4296806	Issue Dt:	10/27/1981	Application #:	06082406	Filing Dt:	10/05/1979
Title:	HIGH TEMPERATURE WELL PACKER

Patent #:	4284152	Issue Dt:	08/18/1981	Application #:	06090391	Filing Dt:	11/01/1979
Title:	PUMP IN CORE BREAKER CARRIER

Patent #:	4291722	Issue Dt:	09/29/1981	Application #:	06091086	Filing Dt:	11/05/1979
Title:	DRILL STRING SAFETY AND KILL VALVE

Patent #:	4274486	Issue Dt:	06/23/1981	Application #:	06094941	Filing Dt:	11/16/1979
Title:	APPARAUTS FOR AND METHOD OF OPERATING A WELL

Patent #:	4252149	Issue Dt:	02/24/1981	Application #:	06104288	Filing Dt:	12/17/1979
Title:	TOOL DIVERTER

Patent #:	4286657	Issue Dt:	09/01/1981	Application #:	06106917	Filing Dt:	12/26/1979
Title:	ACTUATOR

Patent #:	4274432	Issue Dt:	06/23/1981	Application #:	06113731	Filing Dt:	01/21/1980
Title:	VALVE

Patent #:	4352366	Issue Dt:	10/05/1982	Application #:	06118722	Filing Dt:	02/05/1980
Title:	VELOCITY OPERATED STANDING VALVE

Patent #:	4306628	Issue Dt:	12/22/1981	Application #:	06122759	Filing Dt:	02/19/1980
Title:	SAFETY SWITCH FOR WELL TOOLS

Patent #:	4330141	Issue Dt:	05/18/1982	Application #:	06126689	Filing Dt:	03/03/1980
Title:	ADJUSTABLE PIPE UNION

Patent #:	4265306	Issue Dt:	05/05/1981	Application #:	06127952	Filing Dt:	03/07/1980
Title:	LATCH FOR WELL TOOLS

Patent #:	RE30690	Issue Dt:	07/28/1981	Application #:	06141069	Filing Dt:	04/17/1980
Title:	SEAL

Patent #:	4354554	Issue Dt:	10/19/1982	Application #:	06142096	Filing Dt:	04/21/1980
Title:	WELL SAFETY VALVE

Patent #:	4355365	Issue Dt:	10/19/1982	Application #:	06144069	Filing Dt:	04/28/1980
Title:	ELECTRONIC INTERMITTER

Patent #:	4310058	Issue Dt:	01/12/1982	Application #:	06144690	Filing Dt:	04/28/1980
Title:	WELL DRILLING METHOD

Patent #:	4288082	Issue Dt:	09/08/1981	Application #:	06145328	Filing Dt:	04/30/1980
Title:	WELL SEALING SYSTEM

Patent #:	4322992	Issue Dt:	04/06/1982	Application #:	06145894	Filing Dt:	05/02/1980
Title:	CHIP WASHING SYSTEM

Patent #:	4378937	Issue Dt:	04/05/1983	Application #:	06148416	Filing Dt:	05/09/1980
Title:	PIPE ALIGNING TOOL

Patent #:	4333527	Issue Dt:	06/08/1982	Application #:	06148928	Filing Dt:	05/12/1980
Title:	SIDE POCKET MANDREL AND METHOD OF CONSTRUCTION

Patent #:	4286661	Issue Dt:	09/01/1981	Application #:	06159811	Filing Dt:	06/16/1980
Title:	EQUALIZING VALVE FOR USE IN A WELL TOOL STRING

Patent #:	4321965	Issue Dt:	03/30/1982	Application #:	06165636	Filing Dt:	07/03/1980
Title:	SELF-ALIGNING WELL TOOL GUIDE

Patent #:	4411455	Issue Dt:	10/25/1983	Application #:	06173987	Filing Dt:	07/31/1980
Title:	RISER CONNECTOR

Patent #:	4381904	Issue Dt:	05/03/1983	Application #:	06177527	Filing Dt:	08/12/1980
Title:	HYDRAULIC POWER PACK

Patent #:	4334581	Issue Dt:	06/15/1982	Application #:	06186587	Filing Dt:	09/12/1980
Title:	BALANCED AREA SAFETY VALVE

Patent #:	4354524	Issue Dt:	10/19/1982	Application #:	06186914	Filing Dt:	09/15/1980
Title:	AUTOMATIC RESET PNEUMATIC TIMER

Patent #:	4440221	Issue Dt:	04/03/1984	Application #:	06186980	Filing Dt:	09/15/1980
Title:	SUBMERGIBLE PUMP INSTALLATION

Patent #:	RE30988	Issue Dt:	07/06/1982	Application #:	06192096	Filing Dt:	09/29/1980
Title:	WELL TOOL

Patent #:	4325534	Issue Dt:	04/20/1982	Application #:	06195995	Filing Dt:	10/10/1980
Title:	MANUALLY OPERATED BLOWOUT PREVENTER AND HYDRAULIC OPERATOR THEREFOR

Patent #:	4339001	Issue Dt:	07/13/1982	Application #:	06196447	Filing Dt:	10/14/1980
Title:	SAFETY VAVLE

Patent #:	4344602	Issue Dt:	08/17/1982	Application #:	06197669	Filing Dt:	10/16/1980
Title:	LOCK OPEN MECHANISM FOR SUBSURFACE SAFETY VALVE

Patent #:	4363359	Issue Dt:	12/14/1982	Application #:	06199034	Filing Dt:	10/20/1980
Title:	LOCKING ASSEMBLY FOR WELL DEVICES

Patent #:	4365671	Issue Dt:	12/28/1982	Application #:	06211270	Filing Dt:	11/28/1980
Title:	WELL SYSTEM

Patent #:	4355686	Issue Dt:	10/26/1982	Application #:	06212994	Filing Dt:	12/04/1980
Title:	WELL SYSTEM AND METHOD

Patent #:	4360063	Issue Dt:	11/23/1982	Application #:	06212995	Filing Dt:	12/04/1980
Title:	VALVE

Patent #:	4362211	Issue Dt:	12/07/1982	Application #:	06212996	Filing Dt:	12/04/1980
Title:	LOCKING MANDREL

Patent #:	4371038	Issue Dt:	02/01/1983	Application #:	06213896	Filing Dt:	12/08/1980
Title:	APPARATUS AND METHOD FOR INJECTING FLUID INTO A WELL

Patent #:	4376464	Issue Dt:	03/15/1983	Application #:	06214041	Filing Dt:	12/08/1980
Title:	WELL SAFETY VALVE

Patent #:	4359094	Issue Dt:	11/16/1982	Application #:	06214726	Filing Dt:	12/09/1980
Title:	SHEAR RELIEF VALVE

Patent #:	4457369	Issue Dt:	07/03/1984	Application #:	06217228	Filing Dt:	12/17/1980
Title:	WELL TOOL

Patent #:	4403657	Issue Dt:	09/13/1983	Application #:	06222773	Filing Dt:	01/06/1981
Title:	LOCKING MANDREL HAVING DOGS FOR LATCHING TO A LANDING NIPPLE AND LUGS FOR LATCHING TO AN OPERATOR RECIPROCAL IN THE LANDING NIPPLE

Patent #:	4396061	Issue Dt:	08/02/1983	Application #:	06229121	Filing Dt:	01/28/1981
Title:	LOCKING MANDREL FOR A WELL FLOW CONDUCTOR

Patent #:	4379488	Issue Dt:	04/12/1983	Application #:	06230879	Filing Dt:	02/02/1981
Title:	LATCH FOR WELL TOOL

Patent #:	4378842	Issue Dt:	04/05/1983	Application #:	06232710	Filing Dt:	02/09/1981
Title:	VALVE

Patent #:	4378847	Issue Dt:	04/05/1983	Application #:	06232711	Filing Dt:	02/09/1981
Title:	VALVE

Patent #:	4558895	Issue Dt:	12/17/1985	Application #:	06233473	Filing Dt:	02/11/1981
Title:	PULLING TOOL

100

Patent #:	4388970	Issue Dt:	06/21/1983	Application #:	06236144	Filing Dt:	02/20/1981
Title:	APPARATUS AND METHOD FOR CONTROLLING INJECTION FLUID FLOW IN A WELL ANNULUS

Assignor

OTIS ENGINEERING CORPORATION

Exec Dt:

06/24/1993

Assignee

HALLIBURTON COMPANY

LEGAL, INTELLECTUAL PROPERTY DEPARTMENT

P.O. BOX 819052

DALLAS, TEXAS 75381

Correspondence name and address
	ROBERT A. KENT
	LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
	HALLIBURTON ENERGY SERVICES
	MAIL CODE 1-E-135, P.O. BOX 819052
	DALLAS, TX 75381

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