Flow meter

United States of America Patent

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Jul 19, 2011
Grant Date
Apr 16, 2009
app pub date
Oct 9, 2008
filing date
Oct 12, 2007

priority date (Note)
Expired

status (Latency Note)

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Abstract

A simple, passive and rugged device for measuring the flow rate of liquid. A variable area obstruction valve, a differential pressure sensor and a densitometer are combined in a single housing to provide for a highly accurate and precise measure of mass flow.

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First Claim

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Patent Owner(s)

Patent Owner	Address
ELDEC CORPORATION	16700 13TH AVENUE WEST LYNNWOOD WA 98046

International Classification(s)

G01F:MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUI....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Boulanger, Michael P	Everett, US	4	17
Grewell, Bruce K	Seattle, US	3	11

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Flow meter

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United States of America Patent

12248169

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Abstract

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PATENT NO	7983856
APP PUB NO	20090099794A1
SERIAL NO	12248169
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 19, 2011	US,7983856,B2 US7983856B2	GRANTED PATENT AS SECOND PUBLICATION
April 16, 2009	US,20090099794,A1 US20090099794A1	FIRST PUBLISHED PATENT APPLICATION

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12248169

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