Smoke detector

United States of America Patent

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Oct 26, 2010
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app pub date
Sep 14, 2007
filing date
Sep 15, 2006

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Abstract

A smoke detector replaces the americium source of alpha particles with a field emission device using carbon nanotubes as the field emitters, or some other field emitter, in order to provide an ionization of the air potentially caring smoke particles through the smoke detector.

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Patent Owner(s)

APPLIED NANOTECH HOLDINGS, INC.;NANO-PROPRIETARY, INC.

International Classification(s)

G08B:SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; A....

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Fink, Richard Lee	Austin, US	65	818

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Smoke detector

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11855767

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US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 26, 2010	US,7821412,B2 US7821412B2	GRANTED PATENT AS SECOND PUBLICATION
October 16, 2008	US,20080252473,A1 US20080252473A1	FIRST PUBLISHED PATENT APPLICATION

PATENT NO	7821412
SERIAL NO	11855767
DOCKET NO

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11855767

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