Filtration apparatus

Details Filtration apparatus Filtration apparatus

2011-03-01

2011-03-01

Hopkins, Robert A (Department: 1776)

Gas separation: apparatus

With signals, indicators, measuring, or testing means

C096S421000, C055S288000, C055S350100, C055SDIG034, C210S340000

Reexamination Certificate

active

07896959

ABSTRACT:
A filtration apparatus for use in a system containing a gas or liquid to be decontaminated. The apparatus has at least one housing for a filter that removes contaminants from a gas or liquid which include biologics and chemicals. The housing contains an inlet portion and an outlet portion in association with valves for closing or regulating the flow of gas or liquid to be decontaminated by the filter. A differential pressure gauge is optionally provided to monitor the pressure in the housing and to indicate when the filter should be replaced. One or more housings can be used for the apparatus. The apparatus is useful for securing water systems, gas delivery systems, and vacuum systems.

REFERENCES:
patent: 4923068 (1990-05-01), Crowson
patent: 5085049 (1992-02-01), Rim et al.
patent: 6090187 (2000-07-01), Kumagai

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