Method and apparatus for altering and/or minimizing underwater noise

United States of America Patent

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Apr 12, 2011
Grant Date
Dec 10, 2009
app pub date
Jun 26, 2008
filing date
Jun 26, 2007

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Expired

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Abstract

To reduce or eliminate the startle response in aquatic life, embodiments of the present invention alter the sound produced by a diver's exhaled bubbles by adjusting up or down the frequency of the sound produced by the bubbles.

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B63C:LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS;....

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Inventor Name	Address	# of filed Patents	Total Citations
Halliday, Christopher I	Phoenixville, US	10	60

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Method and apparatus for altering and/or minimizing underwater noise

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12215564

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PATENT NO	7921964
APP PUB NO	20090301806A1
SERIAL NO	12215564
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
April 12, 2011	US,7921964,B2 US7921964B2	GRANTED PATENT AS SECOND PUBLICATION
December 10, 2009	US,20090301806,A1 US20090301806A1	FIRST PUBLISHED PATENT APPLICATION

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12215564

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