Hot air circulation furnace

United States of America Patent

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Mar 24, 2009
Grant Date
May 17, 2007
app pub date
Aug 25, 2004
filing date
Aug 25, 2004

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Abstract

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is provided inside the annular partition to supply part of high-temperature gas blown.

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Patent Owner(s)

Patent Owner	Address
NIPPON FURNACE CO LTD	YOKOHAMA-SHI KANAGAWA 230-8666

International Classification(s)

F24H:FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING H....

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Inventor Name	Address	# of filed Patents	Total Citations
Itakura, Yukiharu	Aichi, JP	1	4
Kurita, Kiyobumi	Kanagawa, JP	1	4
Sasaki, Noboru	Aichi, JP	51	522

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Hot air circulation furnace

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United States of America Patent

10579599

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PATENT NO	7507368
APP PUB NO	20070107714A1
SERIAL NO	10579599
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 24, 2009	US,7507368,B2 US7507368B2	GRANTED PATENT AS SECOND PUBLICATION
May 17, 2007	US,20070107714,A1 US20070107714A1	FIRST PUBLISHED PATENT APPLICATION

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