Liquid purification or separation – With alarm – indicator – register – recorder – signal or...
Patent
1990-08-22
1991-11-19
Dawson, Robert A.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
210130, 210168, 2104164, 2104165, 210419, 210420, 210429, 210430, 210431, 210432, 210435, 210450, 210453, 210455, 210DIG17, 123196A, 184 624, B01D 2911
Patent
active
050663917
ABSTRACT:
A reusable liquid filter assembly having a housing having two internally threaded ends and two externally threaded removable end walls. Sealing O-rings are provided on the end walls to bear and seal against bevelled zones on the housing ends. A filter subassembly is positioned in the housing and centered therein by the end walls. A port is provided in one end wall for sampling the filtered liquid. The liquid filter is readily disassembled for cleaning and replacement of all of its components.
REFERENCES:
patent: 2087887 (1937-07-01), Gesner
patent: 3036711 (1962-05-01), Wilhelm
patent: 3265213 (1966-08-01), Decker et al.
patent: 3773180 (1973-09-01), Harrison
patent: 3883428 (1975-05-01), Waring
patent: 4222875 (1980-09-01), Sikula
patent: 4536290 (1985-08-01), Bonazzo
patent: 4622136 (1986-11-01), Karcey
Dawson Robert A.
Reifsnyder David
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