Compound tube and method of producing the same

United States of America Patent

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Feb 15, 2011
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Feb 7, 2008
app pub date
Dec 5, 2006
filing date
Dec 6, 2005

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Abstract

A compound tube is disclosed that includes an outer tube and an inner tube disposed in the outer tube. A passage is defined between the outer tube and the inner tube. Various methods of joining the outer tube to the inner tube are disclosed.

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Patent Owner(s)

Patent Owner	Address
DENSO CORPORATION	KARIYA CITY AICHI 448-8661
DENSO AIRS CORPORATION	89-8 HODEN NODERA-CHO ANJO-CITY AICHI-PREF 444-1165

International Classification(s)

F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....

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Inventor Name	Address	# of filed Patents	Total Citations
Kurata, Shun	Kariya, JP	25	286
Naganawa, Hiroki	Nishio, JP	8	72
Nakamura, Fumiaki	Kariya, JP	38	306
Ochiai, Kinji	Kasugai, JP	9	92
Ohara, Hiroki	Takahama, JP	176	4340

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Compound tube and method of producing the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11634024

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PATENT NO	7887099
APP PUB NO	20080030023A1
SERIAL NO	11634024
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 15, 2011	US,7887099,B2 US7887099B2	GRANTED PATENT AS SECOND PUBLICATION
February 07, 2008	US,20080030023,A1 US20080030023A1	FIRST PUBLISHED PATENT APPLICATION

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11634024

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