Heat exchanger for gas appliance and method for manufacturing heat exchanger for gas appliance

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11226134
APP PUB NO 20200309408A1
SERIAL NO

16828579

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A secondary heat exchanger includes a case and a first heat transfer tube portion. The case includes a box body and a first closing member. The box body is provided with a second opening on one side in a third direction. A first assembly in which the first heat transfer tube portion and the first closing member are assembled integrally is mounted to the box body so that a plurality of first heat transfer tubes are is inserted into the box body from the second opening and so that the second opening is closed by the first closing member.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
PALOMA CO LTDAICHI AICHI

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawada, Tsuyoshi Nagoya, JP 5 109

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Maintenance Fees

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