Shaft mounted seal device and method for a scraped surface heat exchanger

United States of America Patent

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Feb 20, 2007
Grant Date
Dec 29, 2005
app pub date
Jun 15, 2004
filing date
Jun 15, 2004

priority date (Note)
Expired

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Abstract

A scraped surface heat exchanger includes a seal assembly between a rotating tube and the end housing. The seal assembly is removable by removing the tube.

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Patent Owner(s)

Patent Owner	Address
SPX CORPORATION	13515 BALLANTYNE CORPORATE PLACE CHARLOTTE NC 28277

International Classification(s)

F16J:PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; S....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hagen, Curt	Delavan, WI	13	29
Hardy, Benjamin	Elkorn, WI	11	17
Norman, Drew Van	Whitewater, WI	9	13

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Shaft mounted seal device and method for a scraped surface heat exchanger

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10866819

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PATENT NO	7178807
APP PUB NO	20050285347A1
SERIAL NO	10866819
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 20, 2007	US,7178807,B2 US7178807B2	GRANTED PATENT AS SECOND PUBLICATION
December 29, 2005	US,20050285347,A1 US20050285347A1	FIRST PUBLISHED PATENT APPLICATION

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10866819

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