Filter grid assembly

Details Filter grid assembly Filter grid assembly

2006-03-14

2008-03-18

Lithgow, Thomas M. (Department: 1797)

Liquid purification or separation

Structural installation

Flume stream type

C210S232000, C210S400000

Reexamination Certificate

active

07344638

ABSTRACT:
A filter apparatus separates fine particles such as pine needles, threads, hairs and seeds from a liquid influent. A rotating grid assembly has multiple grid sections mounted by top-to-bottom connected links, supporting a filter media having specified openings sufficient for entrainment of miniscule particles. Grid sections are interchanged for collection and discharge of various sized particles using the same apparatus.

REFERENCES:
patent: 4597864 (1986-07-01), Wiesemann
patent: 4812231 (1989-03-01), Wiesemann
patent: 5102536 (1992-04-01), Wiesemann
patent: 5618415 (1997-04-01), Johnson, Jr.
patent: 5788839 (1998-08-01), Gargan et al.
patent: 5800701 (1998-09-01), Larsen
patent: 6177020 (2001-01-01), Wiesemann
patent: 6669854 (2003-12-01), Wiesemann

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