Device for varying the pressure of the fluid delivered by a jet washer

United States of America Patent

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Oct 16, 2007
Grant Date
Jan 29, 2004
app pub date
Jun 9, 2003
filing date
Jul 25, 2002

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Expired

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Abstract

Device for varying the delivery pressure of a jet washer comprising a positive-displacement pump operated by a single-phase electric motor powered by alternating current and having a delivery nozzle of predetermined cross-section, and electronic means for controlling and regulating the motor feed voltage to vary its speed of rotation.

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Patent Owner(s)

Patent Owner	Address
ANNOVI REVERBERI S P A	41122 MODENA

International Classification(s)

F04B:POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS

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Inventor Name	Address	# of filed Patents	Total Citations
Casalgrandi, Alessandro	Modena, IT	3	20
Fabbri, Fabrizio	Modena, IT	8	103
Reverberi, Stefano	Modena, IT	13	265

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Device for varying the pressure of the fluid delivered by a jet washer

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10456533

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PATENT NO	7281903
APP PUB NO	20040016821A1
SERIAL NO	10456533
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 16, 2007	US,7281903,B2 US7281903B2	GRANTED PATENT AS SECOND PUBLICATION
January 29, 2004	US,20040016821,A1 US20040016821A1	FIRST PUBLISHED PATENT APPLICATION

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10456533

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