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3916990
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Information
Patent Grant
3916990
References
Source
Patent Number
3,916,990
Date Filed
Not available
Date Issued
Tuesday, November 4, 1975
49 years ago
CPC
F28F9/0135 - formed by grids having only one tube per closed grid opening
F28D7/1669 - the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube
F28F9/02 - Header boxes End plates
F28F9/0239 - floating header boxes
F28F2265/26 - for allowing differential expansion between elements
US Classifications
165 - Heat exchange
122 - Liquid heaters and vaporizers
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