Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1974-11-27
1976-12-14
Davis, Jr., Albert W.
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
165 27, 165 29, F25B 2900, F28F 2700
Patent
active
039969983
ABSTRACT:
A heating system for conditioning the air in an enclosure. The heating system includes a furnace, heat pump and control mechanism for coordinating operation thereof.
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patent: 3537509 (1970-11-01), Ferdelman
patent: 3556203 (1971-01-01), Kyle
Garst Michael G.
Gilles Theodore P.
Towe Donald D.
Zink Philip L.
Davis Jr. Albert W.
Lennox Industries Inc.
Richter Sheldon
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