Wear resistant tubular connection

United States of America Patent

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May 22, 2007
Grant Date
Jan 20, 2005
app pub date
Jul 18, 2002
filing date
Jul 18, 2001

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Abstract

A wear resistant casing connection including a wear resistant portion on its exterior surface is taught. A casing connection having a controlled bend angle is also taught.

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Patent Owner(s)

TESCO CORPORATION

International Classification(s)

E21B:EARTH OR ROCK DRILLING

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Angman, Per G	Calgary, CA	35	722
Slack, Maurice William	Edmonton, CA	48	596
Tessari, Robert M	Calgary, CA	17	628
Warren, Tommy M	Coweta, CA	57	2164

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Wear resistant tubular connection

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10483501

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PATENT NO	7219727
APP PUB NO	20050011643A1
SERIAL NO	10483501
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 22, 2007	US,7219727,B2 US7219727B2	GRANTED PATENT AS SECOND PUBLICATION
January 20, 2005	US,20050011643,A1 US20050011643A1	FIRST PUBLISHED PATENT APPLICATION

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10483501

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