Replaceable air filter apparatus

Details Replaceable air filter apparatus Replaceable air filter apparatus

1998-07-13

2000-02-29

Simmons, David A.

Gas separation

With separate flow line access means or filter media passage...

Access means is clamping or coupling means for unit filter...

55481, 55492, 55493, 55508, 55511, 55DIG31, 55DIG35, 55DIG37, B01D 2500

Patent

active

060304278

ABSTRACT:
A replaceable air filter apparatus suitable for filtering the air in the home includes a frame for affixing the apparatus to the house duct work associated with the heating and/or air conditioning system the frame includes a hinge disposed on one edge, which cooperates with a hinge disposed on a register that may control the flow of air through the duct work and may include adjustable shutters and a device for removably retaining a filter media. The register may be pulled away from the frame for inserting and removing the filter media disposed therein, when desired.

REFERENCES:
patent: 943298 (1909-02-01), Brown
patent: 1616297 (1927-02-01), Alber
patent: 1726792 (1929-09-01), Altman et al.
patent: 1801949 (1931-04-01), Broudy et al.
patent: 1914397 (1933-06-01), Bender
patent: 5176570 (1993-01-01), Liedl
patent: 5525145 (1996-06-01), Hodge
patent: 5597392 (1997-01-01), Hawkins et al.
patent: 5863310 (1999-11-01), Brown et al.

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