1986-01-10
1988-02-02
Joyce, Harold
98 391, F24F 706
Patent
active
047222662
ABSTRACT:
A device designed to fit externally over existing air-registers, the device containing a high-volume induction driven fan, which simultaneously pushes and pulls air through air-ducts and into a room to provide improved temperature distribution throughout a house, thereby reducing energy costs and increasing the effectiveness of heating and air conditioning systems.
REFERENCES:
patent: 1426900 (1922-08-01), Neal
patent: 2448671 (1948-09-01), Hora
patent: 4576331 (1986-03-01), Harwell
patent: 4589331 (1986-05-01), Villamagna et al.
Air-Tronex, Inc.
Joyce Harold
Livingston Edward M.
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