Filter element and mounting method

Gas separation: processes – Filtering

Reexamination Certificate

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Details

C095S278000, C055S356000, C055S357000, C055S379000, C055S385100, C055S482000, C055S484000, C055S490000, C055S498000, C055S502000, C055S503000, C055S520000

Reexamination Certificate

active

07108738

ABSTRACT:
The present invention relates to an apparatus for filtering a gas or liquid stream such as a natural gas stream. The apparatus includes a closed vessel having a longitudinally extending length, an initially open interior, an input port at one extent and an output port at an opposite extent thereof. A partition located within the vessel interior divides the vessel interior into a first stage and a second stage. At least one opening is provided in the partition. A filter element is disposed within the vessel to extend from within the first stage. The filter element is easily mounted or removed from the vessel by rotating a J-slot engagement surface on the element which mates with a mounting structure provided in the vessel interior.

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patent: 4141128 (1979-02-01), Wonderling
patent: 4253856 (1981-03-01), Paucha
patent: 4256473 (1981-03-01), De Martino
patent: 4257790 (1981-03-01), Bergquist et al.
patent: 4559138 (1985-12-01), Harms, II
patent: 5435915 (1995-07-01), Connors, Jr.
patent: 5833853 (1998-11-01), Carlson
patent: 5868807 (1999-02-01), Luy et al.
patent: 6440188 (2002-08-01), Clements et al.
patent: 2005/0172810 (2005-08-01), Burns et al.
patent: 34 05 929 (1984-06-01), None

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