Gas separation: processes – Filtering
Patent
1995-10-26
1997-09-09
Woo, Jay H.
Gas separation: processes
Filtering
55481, 55483, 55506, 95286, B01D 4610
Patent
active
056651457
ABSTRACT:
The present invention is directed to improvements in servicing the air filters in air conditioning units such as rooftop air conditioning units. More specifically, the invention is directed to an air filter channel and puller which facilitate the removal of rows of filters.
REFERENCES:
patent: 1436569 (1922-11-01), Boerum
patent: 1521576 (1924-12-01), Wittemeier
patent: 3630008 (1971-12-01), Revell et al.
patent: 4124361 (1978-11-01), Revell
patent: 4198221 (1980-04-01), Catlin et al.
patent: 4251245 (1981-02-01), Reynolds
patent: 4682993 (1987-07-01), Todd et al.
Davis James A.
Goodman Doyle R.
American Standard Inc.
Beres William J.
Ferguson Peter D.
O'Driscoll William
Smith Duane S.
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