Pressure differential filtering device and method

Details Pressure differential filtering device and method Pressure differential filtering device and method

1975-05-23

1977-07-12

Nozick, Bernard

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210117, 210359, 210DIG23, 210DIG24, B01D 3300

Patent

active

040352943

ABSTRACT:
A pressure differential sampling and filtering device and method comprising a tube adapted to hold a liquid to be filtered and an inner tube having a filter head adapted to be inserted into the tube and force the liquid up through the filter head into the inner tube is characterized by the employment of a filter head and by the inner tube being associated with and separable from a closed-end portion which then serves as a test tube when the assembly is inverted and the filter head separated therefrom.

REFERENCES:
patent: 3441205 (1969-04-01), Young, Jr.
patent: 3706305 (1972-12-01), Berger et al.
patent: 3750645 (1973-08-01), Bennett et al.
patent: 3799342 (1974-03-01), Greenspan
patent: 3814079 (1974-06-01), LeRoy, Sr.
patent: 3832141 (1974-08-01), Haldopoulos
patent: 3846077 (1974-11-01), Ohringer
patent: 3932277 (1976-01-01), McDermott et al.
patent: 3955423 (1976-05-01), Ohringer

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