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Patent Assignment Details

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Reel/Frame:	004944/0763			Pages:	11
		Recorded:	08/18/1988
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Total properties: 89

Patent #:	3615027	Issue Dt:		Application #:	04779171	Filing Dt:
Title:

Patent #:	3592347	Issue Dt:		Application #:	04790643	Filing Dt:
Title:

Patent #:	3589742	Issue Dt:		Application #:	04851663	Filing Dt:
Title:

Patent #:	3612627	Issue Dt:		Application #:	04860287	Filing Dt:
Title:

Patent #:	3592515	Issue Dt:		Application #:	04860288	Filing Dt:
Title:

Patent #:	3571936	Issue Dt:		Application #:	04862109	Filing Dt:
Title:

Patent #:	3588162	Issue Dt:		Application #:	04862561	Filing Dt:
Title:

Patent #:	3616941	Issue Dt:		Application #:	04868541	Filing Dt:
Title:

Patent #:	3612286	Issue Dt:		Application #:	04868549	Filing Dt:
Title:

Patent #:	3635105	Issue Dt:		Application #:	04887797	Filing Dt:
Title:

Patent #:	3675900	Issue Dt:		Application #:	05019582	Filing Dt:
Title:

Patent #:	3648814	Issue Dt:		Application #:	05019601	Filing Dt:
Title:

Patent #:	3625095	Issue Dt:		Application #:	05022293	Filing Dt:
Title:

Patent #:	3629927	Issue Dt:		Application #:	05023613	Filing Dt:
Title:

Patent #:	3648858	Issue Dt:		Application #:	05035370	Filing Dt:
Title:

Patent #:	3655071	Issue Dt:		Application #:	05040986	Filing Dt:
Title:

Patent #:	3695669	Issue Dt:		Application #:	05085594	Filing Dt:
Title:

Patent #:	3800962	Issue Dt:		Application #:	05112540	Filing Dt:
Title:

Patent #:	3753552	Issue Dt:		Application #:	05127892	Filing Dt:
Title:

Patent #:	3739663	Issue Dt:		Application #:	05134553	Filing Dt:
Title:

Patent #:	3691875	Issue Dt:		Application #:	05134554	Filing Dt:
Title:

Patent #:	3706243	Issue Dt:		Application #:	05134661	Filing Dt:
Title:

Patent #:	3704638	Issue Dt:		Application #:	05147058	Filing Dt:
Title:

Patent #:	3719237	Issue Dt:		Application #:	05155054	Filing Dt:
Title:

Patent #:	3719236	Issue Dt:		Application #:	05155163	Filing Dt:
Title:

Patent #:	3804268	Issue Dt:		Application #:	05160641	Filing Dt:
Title:

Patent #:	3768663	Issue Dt:		Application #:	05188410	Filing Dt:
Title:

Patent #:	3844420	Issue Dt:		Application #:	05197553	Filing Dt:
Title:

Patent #:	3793913	Issue Dt:		Application #:	05216085	Filing Dt:
Title:

Patent #:	3780815	Issue Dt:		Application #:	05216216	Filing Dt:
Title:

Patent #:	3917230	Issue Dt:		Application #:	05220284	Filing Dt:
Title:

Patent #:	3796418	Issue Dt:		Application #:	05227522	Filing Dt:
Title:

Patent #:	3803953	Issue Dt:		Application #:	05230835	Filing Dt:
Title:

Patent #:	RE27724	Issue Dt:		Application #:	05264697	Filing Dt:
Title:

Patent #:	3801071	Issue Dt:		Application #:	05295758	Filing Dt:
Title:

Patent #:	3881375	Issue Dt:		Application #:	05314285	Filing Dt:
Title:

Patent #:	3799364	Issue Dt:		Application #:	05321488	Filing Dt:
Title:

Patent #:	3838613	Issue Dt:	10/01/1974	Application #:	05332144	Filing Dt:	02/13/1973
Title:	METHOD AND DEVICE FOR PRODUCING HEATING OF MOISTURE-CONTAINING OBJECTS

Patent #:	3845784	Issue Dt:		Application #:	05357719	Filing Dt:
Title:

Patent #:	3884519	Issue Dt:		Application #:	05393085	Filing Dt:
Title:

Patent #:	4109800	Issue Dt:		Application #:	05404943	Filing Dt:
Title:

Patent #:	3882377	Issue Dt:		Application #:	05462276	Filing Dt:
Title:

Patent #:	3892148	Issue Dt:		Application #:	05493993	Filing Dt:
Title:

Patent #:	3937515	Issue Dt:		Application #:	05526206	Filing Dt:
Title:

Patent #:	3929235	Issue Dt:		Application #:	05526207	Filing Dt:
Title:

Patent #:	3937514	Issue Dt:		Application #:	05526208	Filing Dt:
Title:

Patent #:	4042123	Issue Dt:	08/16/1977	Application #:	05547375	Filing Dt:
Title:	AUTOMATED PIPE HANDLING SYSTEM

Patent #:	3976207	Issue Dt:		Application #:	05565953	Filing Dt:
Title:

Patent #:	3966054	Issue Dt:		Application #:	05579985	Filing Dt:
Title:

Patent #:	3978993	Issue Dt:		Application #:	05589830	Filing Dt:
Title:

Patent #:	3999811	Issue Dt:		Application #:	05607314	Filing Dt:
Title:

Patent #:	3996737	Issue Dt:		Application #:	05639525	Filing Dt:
Title:

Patent #:	3999260	Issue Dt:		Application #:	05647760	Filing Dt:
Title:

Patent #:	4030746	Issue Dt:		Application #:	05680301	Filing Dt:
Title:

Patent #:	4111235	Issue Dt:		Application #:	05702557	Filing Dt:
Title:

Patent #:	4163401	Issue Dt:		Application #:	05777672	Filing Dt:
Title:

Patent #:	4128888	Issue Dt:		Application #:	05777677	Filing Dt:
Title:

Patent #:	4187546	Issue Dt:	02/05/1980	Application #:	05777724	Filing Dt:	03/15/1977
Title:	COMPUTER-CONTROLLED OIL DRILLING RIG HAVING DRAWWORKS MOTOR AND BRAKE CONTROL ARRANGEMENT

Patent #:	4139891	Issue Dt:		Application #:	05777786	Filing Dt:
Title:

Patent #:	4119837	Issue Dt:		Application #:	05777927	Filing Dt:
Title:

Patent #:	4126348	Issue Dt:		Application #:	05794003	Filing Dt:
Title:

Patent #:	4186973	Issue Dt:		Application #:	05927868	Filing Dt:
Title:

Patent #:	4327261	Issue Dt:	04/27/1982	Application #:	06003035	Filing Dt:	01/12/1979
Title:	APPARATUS FOR SENSING A DISTENDED LOCATION ON A DRILL PIPE

Patent #:	4202225	Issue Dt:	05/13/1980	Application #:	06026820	Filing Dt:	04/04/1979
Title:	POWER TONGS CONTROL ARRANGEMENT

Patent #:	4304433	Issue Dt:	12/08/1981	Application #:	06130761	Filing Dt:	03/17/1980
Title:	PIPE GRIPPING HEAD

Patent #:	4345864	Issue Dt:	08/24/1982	Application #:	06130762	Filing Dt:	03/17/1980
Title:	PIPE MANIPULATOR

Patent #:	4333209	Issue Dt:	06/08/1982	Application #:	06165585	Filing Dt:	07/03/1980
Title:	ROTARY POWER SLIPS

Patent #:	4415193	Issue Dt:	11/15/1983	Application #:	06239308	Filing Dt:	02/27/1981
Title:	SLIP SETTING RING

Patent #:	4361940	Issue Dt:	12/07/1982	Application #:	06289945	Filing Dt:	08/04/1981
Title:	SLIP-TYPE ELEVATOR LOCKING MECHANISM

Patent #:	4436002	Issue Dt:	03/13/1984	Application #:	06329971	Filing Dt:	12/11/1981
Title:	REVERSAL MECHANISM FOR POWER TONG

Patent #:	4462733	Issue Dt:	07/31/1984	Application #:	06371144	Filing Dt:	04/23/1982
Title:	BEAM TYPE RACKING SYSTEM

Patent #:	4438910	Issue Dt:	03/27/1984	Application #:	06405230	Filing Dt:	08/05/1982
Title:	SHOCK ABSORBING SNUBBER FOR DERRICK HOOKS

Patent #:	4396216	Issue Dt:	08/02/1983	Application #:	06413044	Filing Dt:	08/30/1982
Title:	LINK ENGAGING PIPE ELEVATOR

Patent #:	T105101	Issue Dt:	02/05/1985	Application #:	06502849	Filing Dt:	06/09/1983
Title:	CASING HANDLING EQUIPMENT

Patent #:	4579379	Issue Dt:	04/01/1986	Application #:	06569811	Filing Dt:	01/11/1984
Title:	ELEVATOR/SPIDER WITH IMPROVED LOCKING MECHANISM

Patent #:	4550942	Issue Dt:	11/05/1985	Application #:	06588188	Filing Dt:	03/12/1984
Title:	ELEVATOR/SPIDER WITH COUNTERBALANCE

Patent #:	4613849	Issue Dt:	09/23/1986	Application #:	06603258	Filing Dt:	04/23/1984
Title:	INTERFERENCE WARNING DEVICE

Patent #:	4613002	Issue Dt:	09/23/1986	Application #:	06605536	Filing Dt:	04/30/1984
Title:	DOWNHOLE DRILLING TOOL WITH IMPROVED SWIVEL

Patent #:	4603464	Issue Dt:	08/05/1986	Application #:	06710730	Filing Dt:	03/11/1985
Title:	STAND JUMPING AND STABBING GUIDE DEVICE AND METHOD

Patent #:	4572036	Issue Dt:	02/25/1986	Application #:	06718203	Filing Dt:	04/02/1985
Title:	POWER TONG AND JAW APPARATUS

Patent #:	4589503	Issue Dt:	05/20/1986	Application #:	06788668	Filing Dt:	10/17/1985
Title:	TOP DRIVE DRILLING APPARATUS WITH IMPROVED WRENCH ASSEMBLY

Patent #:	4647099	Issue Dt:	03/03/1987	Application #:	06826032	Filing Dt:	02/04/1986
Title:	LIFTING HEAD

Patent #:	4681193	Issue Dt:	07/21/1987	Application #:	06830895	Filing Dt:	02/10/1986
Title:	ROTARY POWER SLIPS

Patent #:	4696206	Issue Dt:	09/29/1987	Application #:	06850313	Filing Dt:	04/10/1986
Title:	TORQUE WRENCH

Patent #:	4667752	Issue Dt:	05/26/1987	Application #:	06874818	Filing Dt:	06/12/1986
Title:	TOP HEAD DRIVE WELL DRILLING APPARATUS WITH STABBING GUIDE

Patent #:	4715761	Issue Dt:	12/29/1987	Application #:	07021618	Filing Dt:	03/03/1987
Title:	UNIVERSAL FLOOR MOUNTED PIPE HANDLING MACHINE

Patent #:	4759239	Issue Dt:	07/26/1988	Application #:	07022619	Filing Dt:	03/03/1987
Title:	WRENCH ASSEMBLY FOR A TOP DRIVE SUB

Patent #:	4774861	Issue Dt:	10/04/1988	Application #:	07117272	Filing Dt:	11/05/1987
Title:	DRILL PIPE SPINNER

Patent #:	4791997	Issue Dt:	12/20/1988	Application #:	07142105	Filing Dt:	01/07/1988
Title:	PIPE HANDLING APPARATUS AND METHOD

Assignor

BAKER HUGHES INCORPORATED

Exec Dt:

07/18/1988

Assignee

HUGHES TOOL COMPANY-USA, A DE CORP.

5425 POLK AVE.

HOUSTON, TEXAS 77023

Correspondence name and address
	BAKER HUGHES INCORPORATED
	3900 ESSEX LANE, SUITE 1200
	P.O. BOX 4740
	HOUSTON, TEXAS 77210-4740
	HOUSTON, TX 77001

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