4-way valve system

United States of America Patent

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Jul 9, 2013
Grant Date
Jul 29, 2010
app pub date
Jun 25, 2009
filing date
Jan 26, 2009

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Abstract

The invention relates to valve system made up of multiple three way valves mechanically coupled together to produce the functionality of a four way valve.

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Patent Owner	Address
OCEANEERING INTERNATIONAL INC	160001 PARK TEN PLACE HOUSTON TX 77084

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F15B:SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUI....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Holtz, Todd G	Houston, US	2	2

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4-way valve system

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United States of America Patent

12491730

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PATENT NO	8479770
APP PUB NO	20100186833A1
SERIAL NO	12491730
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 09, 2013	US,8479770,B2 US8479770B2	GRANTED PATENT AS SECOND PUBLICATION
July 29, 2010	US,20100186833,A1 US20100186833A1	FIRST PUBLISHED PATENT APPLICATION

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12491730

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