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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.

Total properties: 12

Patent #:	8517123	Issue Dt:	08/27/2013	Application #:	12787349	Filing Dt:	05/25/2010
Publication #:	US20100319996	Pub Dt:	12/23/2010
Title:	MILLING CAP FOR A POLYCRYSTALLINE DIAMOND COMPACT CUTTER

Patent #:	8327944	Issue Dt:	12/11/2012	Application #:	12789416	Filing Dt:	05/27/2010
Publication #:	US20100319997	Pub Dt:	12/23/2010
Title:	WHIPSTOCK ATTACHMENT TO A FIXED CUTTER DRILLING OR MILLING BIT

Patent #:	8561729	Issue Dt:	10/22/2013	Application #:	12793489	Filing Dt:	06/03/2010
Publication #:	US20100307837	Pub Dt:	12/09/2010
Title:	CASING BIT AND CASING REAMER DESIGNS

Patent #:	8191656	Issue Dt:	06/05/2012	Application #:	12794640	Filing Dt:	06/04/2010
Publication #:	US20100243334	Pub Dt:	09/30/2010
Title:	AUTO ADAPTABLE CUTTING STRUCTURE

Patent #:	8689907	Issue Dt:	04/08/2014	Application #:	12845451	Filing Dt:	07/28/2010
Publication #:	US20120024608	Pub Dt:	02/02/2012
Title:	PATTERNED TEXTURING OF THE SEAL SURFACE FOR A ROLLER CONE ROCK BIT

Patent #:	7971660	Issue Dt:	07/05/2011	Application #:	12870471	Filing Dt:	08/27/2010
Publication #:	US20100320002	Pub Dt:	12/23/2010
Title:	ROCK BIT WITH A THERMAL INSULATING SEAL RING POSITIONED IN THE SEAL GLAND

Patent #:	8522899	Issue Dt:	09/03/2013	Application #:	12896406	Filing Dt:	10/01/2010
Publication #:	US20120080236	Pub Dt:	04/05/2012
Title:	WEAR RESISTANT MATERIAL AT THE SHIRTTAIL EDGE AND LEADING EDGE OF A ROTARY CONE DRILL BIT

Patent #:	8534390	Issue Dt:	09/17/2013	Application #:	12896484	Filing Dt:	10/01/2010
Publication #:	US20120080237	Pub Dt:	04/05/2012
Title:	WEAR RESISTANT MATERIAL FOR THE SHIRTTAIL OUTER SURFACE OF A ROTARY CONE DRILL BIT

Patent #:	8544568	Issue Dt:	10/01/2013	Application #:	12960926	Filing Dt:	12/06/2010
Publication #:	US20120138365	Pub Dt:	06/07/2012
Title:	SHOULDER DURABILITY ENHANCEMENT FOR A PDC DRILL BIT USING SECONDARY AND TERTIARY CUTTING ELEMENTS

Patent #:	8443919	Issue Dt:	05/21/2013	Application #:	12976789	Filing Dt:	12/22/2010
Publication #:	US20120160561	Pub Dt:	06/28/2012
Title:	SEMI-SEALED BLAST HOLE BIT AND METHOD FOR DRILLING

Patent #:	8534389	Issue Dt:	09/17/2013	Application #:	13016399	Filing Dt:	01/28/2011
Publication #:	US20120193150	Pub Dt:	08/02/2012
Title:	METHOD AND APPARATUS FOR REDUCING LUBRICANT PRESSURE PULSATION WITHIN A ROTARY CONE ROCK BIT

Patent #:	8746374	Issue Dt:	06/10/2014	Application #:	13016535	Filing Dt:	01/28/2011
Publication #:	US20120193151	Pub Dt:	08/02/2012
Title:	METHOD AND APPARATUS FOR REDUCING LUBRICANT PRESSURE PULSATION WITHIN A ROTARY CONE ROCK BIT

Assignor

Exec Dt:

04/08/2011

Assignee

C/O PAGET-BROWN TRUST COMPANY LTD.

BOUNDARY HALL, CRICKET SQUARE, P.O. BOX 1111

GRAND CAYMAN, CAYMAN ISLANDS KY1-1102

Correspondence name and address
	KING & SPALDING LLP
	1185 AVENUE OF THE AMERICAS
	NEW YORK, NY 10036

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