Flow meter

United States of America Patent

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Aug 28, 2012
Grant Date
Oct 27, 2011
app pub date
Jul 7, 2011
filing date
Oct 12, 2007

priority date (Note)
Expired

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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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United States of America Patent

13178279

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Abstract

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PATENT NO	8255175
APP PUB NO	20110264384A1
SERIAL NO	13178279
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 28, 2012	US,8255175,B2 US8255175B2	GRANTED PATENT AS SECOND PUBLICATION
October 27, 2011	US,20110264384,A1 US20110264384A1	FIRST PUBLISHED PATENT APPLICATION

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13178279

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