System with canopy and electrode for air cleaning

United States of America Patent

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Feb 9, 2010
Grant Date
Jan 10, 2008
app pub date
Sep 2, 2005
filing date
Sep 3, 2004

priority date (Note)
Expired

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Abstract

System for separating particles from an environment, the system including a perforated screen and an ionisation electrode in the environment for creating an electrostatic potential between the electrode and the screen to attract the particles to the screen.

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Patent Owner(s)

Patent Owner	Address
VESTERGAARD FRANDSEN SA	1003 LAUSANNE

International Classification(s)

B03C:MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATE....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Frandsen, Mikkel Vestergaard	Lausanne, CH	6	25

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System with canopy and electrode for air cleaning

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11661740

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PATENT NO	7658785
APP PUB NO	20080006150A1
SERIAL NO	11661740
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 09, 2010	US,7658785,B2 US7658785B2	GRANTED PATENT AS SECOND PUBLICATION
January 10, 2008	US,20080006150,A1 US20080006150A1	FIRST PUBLISHED PATENT APPLICATION

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11661740

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