Liquid purification or separation – Filter – With pump – gas pressure – or suction source
Patent
1980-11-04
1982-01-19
Granger, Theodore A.
Liquid purification or separation
Filter
With pump, gas pressure, or suction source
415121G, B01D 3502
Patent
active
043115926
ABSTRACT:
A wafer-like filter screen for whirlpool apparatus positioned across the water intake and removably secured thereto to prevent foreign objects being drawn into the interior of the apparatus.
REFERENCES:
patent: 2665009 (1954-01-01), Harstick
patent: 2730095 (1956-01-01), Scott
patent: 2738787 (1956-03-01), Jacuzzi et al.
patent: 3024011 (1962-03-01), Wurdack
patent: 3288294 (1966-11-01), Frey
patent: 3685919 (1972-08-01), Speck
patent: 3929648 (1975-12-01), Cuthbert
patent: 4077739 (1978-03-01), Heilenbach
Granger Theodore A.
Snow W. A.
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