Phase varying apparatus for engine

United States of America Patent

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Aug 9, 2011
Grant Date
Jan 7, 2010
app pub date
Dec 11, 2006
filing date
Dec 11, 2006

priority date (Note)
Expired

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Abstract

Heat generation is not caused by friction in a phase varying apparatus for use with a vehicle engine.) and the outer cylinder part connected to the intermediate member in a spline manner are rotated relative to each other.

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Patent Owner(s)

Patent Owner	Address
NITTAN VALVE CO LTD	518 SOYA HADANO-SHI KANAGAWA 257-0031

International Classification(s)

F01L:CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINE....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Homma, Koichi	Kanagawa, JP	37	1038
Ishihara, Naoya	Kanagawa, JP	3	9
Shiino, Minoru	Kanagawa, JP	4	13

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Phase varying apparatus for engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12514295

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PATENT NO	7992531
APP PUB NO	20100000481A1
SERIAL NO	12514295
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 09, 2011	US,7992531,B2 US7992531B2	GRANTED PATENT AS SECOND PUBLICATION
January 07, 2010	US,20100000481,A1 US20100000481A1	FIRST PUBLISHED PATENT APPLICATION

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12514295

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