Cutting element

United States of America Patent

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Jan 31, 2006
Grant Date
Jun 27, 2002
app pub date
Feb 20, 2002
filing date
Jun 24, 1998

priority date (Note)
Expired

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Abstract

The present invention provides a cutting element having a cylindrical body having a canted end face on which is formed an ultra hard material layer and a method of forming the same. One or a plurality of transition layers may be provided between the ultra hard material layer and the cutting element body.

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Patent Owner(s)

Patent Owner	Address
SMITH INTERNATIONAL INC	1310 RANKIN ROAD HOUSTON TX 77073

International Classification(s)

E21B:EARTH OR ROCK DRILLING

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Eyre, Ronald K	Orem, UT	68	3001
Keshavan, Madapusi K	Sandy, UT	127	6299
Truax, David	Houston, TX	19	1091

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Cutting element

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10079293

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PATENT NO	6991049
APP PUB NO	20020079140A1
SERIAL NO	10079293
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 31, 2006	US,6991049,B2 US6991049B2	GRANTED PATENT AS SECOND PUBLICATION
June 27, 2002	US,20020079140,A1 US20020079140A1	FIRST PUBLISHED PATENT APPLICATION

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10079293

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