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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:	006949/0694			Pages:	5
		Recorded:	04/20/1994
Conveyance:	MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS)

Total properties: 43

Patent #:	4166034	Issue Dt:		Application #:	05904038	Filing Dt:
Title:

Patent #:	4393830	Issue Dt:	07/19/1983	Application #:	05929165	Filing Dt:	07/28/1978
Title:	ACOUSTIC DETONATION SUPPRESSION IN A CATALYTIC ENVIRONMENT IN INTERNAL COMBUSTION ENGINE

Patent #:	4252189	Issue Dt:	02/24/1981	Application #:	06012669	Filing Dt:	02/16/1979
Title:	VIBRATORY METHOD FOR MINING SHALE OIL OR THE LIKE

Patent #:	4223749	Issue Dt:	09/23/1980	Application #:	06020807	Filing Dt:	03/15/1979
Title:	ROTARY EARTH BORING DRILL BIT WITH CENTRIFUGAL FOREIGN PARTICLE BARRIER DEVICE

Patent #:	4256190	Issue Dt:	03/17/1981	Application #:	06027934	Filing Dt:	04/06/1979
Title:	SONICALLY ASSISTED LUBRICATION OF JOURNAL BEARINGS

Patent #:	4265129	Issue Dt:	05/05/1981	Application #:	06027935	Filing Dt:	04/06/1979
Title:	ORBITING MASS OSCILLATOR WITH OIL FILM CUSHIONED BEARINGS

Patent #:	4257648	Issue Dt:	03/24/1981	Application #:	06028041	Filing Dt:	04/09/1979
Title:	NON-RESONANT CYCLIC DRIVE SYSTEM EMPLOYING RECTIFICATION OF THE CYCLIC OUTPUT

Patent #:	4271915	Issue Dt:	06/09/1981	Application #:	06063840	Filing Dt:	08/06/1979
Title:	ELASTICALLY VIBRATORY LONGITUDINAL JACKETED DRILL

Patent #:	4261425	Issue Dt:	04/14/1981	Application #:	06064046	Filing Dt:	08/06/1979
Title:	MECHANICALLY NUTATING DRILL DRIVEN BY ORBITING MASS OSCILLATOR

Patent #:	4266619	Issue Dt:	05/12/1981	Application #:	06076194	Filing Dt:	09/17/1979
Title:	DOWN HOLE CYCLOIDAL DRILL DRIVE

Patent #:	4280558	Issue Dt:	07/28/1981	Application #:	06096755	Filing Dt:	11/23/1979
Title:	SONIC TECHNIQUE AND SYSTEM FOR FACILITATING THE EXTRACTION OF MINERAL MATERIAL

Patent #:	4358248	Issue Dt:	11/09/1982	Application #:	06102857	Filing Dt:	12/11/1979
Title:	SONIC PUMP FOR PUMPING WELLS AND THE LIKE EMPLOYING DUAL TRANSMISSION LINES

Patent #:	4337158	Issue Dt:	06/29/1982	Application #:	06128736	Filing Dt:	03/10/1980
Title:	CYCLIC WAVE SYSTEM FOR UNCLOGGING WATER SCREENS

Patent #:	4366988	Issue Dt:	01/04/1983	Application #:	06137855	Filing Dt:	04/07/1980
Title:	SONIC APPARATUS AND METHOD FOR SLURRY WELL BORE MINING AND PRODUCTION

Patent #:	4342364	Issue Dt:	08/03/1982	Application #:	06139403	Filing Dt:	04/11/1980
Title:	APPARATUS AND METHOD FOR COUPLING SONIC ENERGY TO THE BORE HOLE WALL OF AN OIL WELL TO FACILITATE OIL PRODUCTION

Patent #:	4559911	Issue Dt:	12/24/1985	Application #:	06150456	Filing Dt:	05/16/1980
Title:	MODIFICATION OF DIESEL ENGINE PRECOMBUTION CHAMBER TO ATTENUATE DETONATION AND IMPROVE COMBUSTION

Patent #:	4323119	Issue Dt:	04/06/1982	Application #:	06209527	Filing Dt:	11/24/1980
Title:	VIBRATORY APPARATUS FOR MINING SHALE OIL OR THE LIKE

Patent #:	4629135	Issue Dt:	12/16/1986	Application #:	06228225	Filing Dt:	01/26/1981
Title:	CYCLOIDAL SONIC MILL FOR COMMINUTING MATERIAL SUSPENDED IN LIQUID AND POWDERED MATERIAL

Patent #:	4471838	Issue Dt:	09/18/1984	Application #:	06348880	Filing Dt:	02/16/1982
Title:	SONIC METHOD AND APPARATUS FOR AUGMENTING FLUID FLOW FROM FLUID-BEARING STRATA EMPLOYING SONIC FRACTURING OF SUCH STRATA

Patent #:	4527637	Issue Dt:	07/09/1985	Application #:	06505954	Filing Dt:	06/20/1983
Title:	CYCLOIDAL DRILL BIT

Patent #:	4544031	Issue Dt:	10/01/1985	Application #:	06544102	Filing Dt:	12/07/1983
Title:	SONIC APPARATUS FOR AUGMENTING FLUID FLOW FROM FLUID-BEARING STRATA EMPLOYING SONIC FRACTURING OF SUCH STRATA

Patent #:	4487554	Issue Dt:	12/11/1984	Application #:	06582158	Filing Dt:	02/27/1984
Title:	SONIC PUMP FOR PUMPING WELLS AND THE LIKE EMPLOYING A ROD VIBRATION SYSTEM

Patent #:	4615400	Issue Dt:	10/07/1986	Application #:	06725648	Filing Dt:	04/22/1985
Title:	SONIC DRILLING SYSTEM EMPLOYING SPHERICAL DRILL BIT

Patent #:	4693326	Issue Dt:	09/15/1987	Application #:	06736079	Filing Dt:	05/20/1985
Title:	CYCLOIDAL EARTH CUTTING SYSTEM WITH ROCKER-TYPE NUTATING ACTION

Patent #:	4695231	Issue Dt:	09/22/1987	Application #:	06787492	Filing Dt:	10/15/1985
Title:	SONIC IMPELLER FOR SONIC WELL PUMP

Patent #:	4693325	Issue Dt:	09/15/1987	Application #:	06848945	Filing Dt:	04/07/1986
Title:	SONIC DRILL EMPLOYING ORBITING CRANK MECHANISM

Patent #:	4652309	Issue Dt:	03/24/1987	Application #:	06874535	Filing Dt:	06/16/1986
Title:	SONIC METHOD AND APPARATUS FOR HEAP LEACHING

Patent #:	4702315	Issue Dt:	10/27/1987	Application #:	06900587	Filing Dt:	08/26/1986
Title:	METHOD AND APPARATUS FOR SONICALLY STIMULATING OIL WELLS TO INCREASE THE PRODUCTION THEREOF

Patent #:	4830758	Issue Dt:	05/16/1989	Application #:	06938002	Filing Dt:	12/03/1986
Title:	SONIC METHOD AND APPARATUS FOR WINNING MINERALS FROM LIQUID CARRIERS

Patent #:	4791899	Issue Dt:	12/20/1988	Application #:	07006481	Filing Dt:	01/23/1987
Title:	ACOUSTIC DETONATION SUPPRESSION IN INTERNAL COMBUSTION ENGINE

Patent #:	4848486	Issue Dt:	07/18/1989	Application #:	07064983	Filing Dt:	06/19/1987
Title:	METHOD AND APPARATUS FOR TRANSVERSELY BORING THE EARTHEN FORMATION SURROUNDING A WELL TO INCREASE THE YIELD THEREOF

Patent #:	4778279	Issue Dt:	10/18/1988	Application #:	07087425	Filing Dt:	08/20/1987
Title:	SONIC AGITATOR WITH MULTI PHASED VIBRATION BARS

Patent #:	4780138	Issue Dt:	10/25/1988	Application #:	07128454	Filing Dt:	12/03/1987
Title:	SONIC APPARATUS AND METHOD FOR FACILITATING THE EXTRACTION OF MINERALS FROM ORE IN A LEACHANT

Patent #:	4817712	Issue Dt:	04/04/1989	Application #:	07173248	Filing Dt:	03/24/1988
Title:	ROD STRING SONIC STIMULATOR AND METHOD FOR FACILITATING THE FLOW FROM PETROLEUM WELLS

Patent #:	4883532	Issue Dt:	11/28/1989	Application #:	07222895	Filing Dt:	07/22/1988
Title:	SONIC METHOD FOR FACILITATING THE EXTRACTION OF MINERALS FROM ORE IN A LEACHANT

Patent #:	4885098	Issue Dt:	12/05/1989	Application #:	07263040	Filing Dt:	10/21/1988
Title:	SONIC METHOD FOR FACILITATING THE REMOVAL OF SOLID PARTICLES FROM A SLURRY

Patent #:	4218849	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4073353	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4026481	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4156470	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4023628	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4096762	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4091988	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Assignor

BAKER HUGHES PRODUCTION TOOLS, INC. MERGED INTO BAKER HUGHES DRILLING TECHNOLOGIES, INC.

Exec Dt:

03/15/1993

Assignee

BAKER HUGHES INTEQ, INC.

3900 ESSEX LANE

HOUSTON, TEXAS 77210

Correspondence name and address
	TOWNSEND AND TOWNSEND KHOURIE AND CREW
	JENS E. HOKENDIJK
	20TH FLOOR
	STEUART STREET TOWER, ONE MARKET PLAZA
	SAN FRANCISCO, CA 94105-1492

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