Heat exchange – Structural installation
Patent
1995-02-02
1996-04-02
Tapolcai, William E.
Heat exchange
Structural installation
1262711, F24D 300
Patent
active
055032192
ABSTRACT:
Conduit structure is in pneumatic communication with a dwelling furnace of a forced hot-air variety to direct such forced hot air through a first conduit, through a control valve, and subsequently to a second conduit that is directed to a downspout that is in turn secured to a manifold positioned onto the gutter trough of the dwelling and to the bottom wall thereof.
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patent: 3795271 (1974-03-01), Adamic
patent: 4081657 (1978-03-01), Stanford
patent: 4224923 (1980-09-01), Wells
patent: 4291673 (1981-09-01), Deutz
patent: 4401880 (1983-08-01), Eizenhoefer
patent: 4606402 (1986-08-01), Dupre
patent: 4763450 (1988-08-01), Daniel
patent: 4880051 (1989-11-01), Ohashi
patent: 5303517 (1994-04-01), Scheider
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