Washbox

Liquid purification or separation – Flow – fluid pressure or material level – responsive – Filter cleaning

Reexamination Certificate

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Details

C210S106000, C210S137000, C210S189000, C210S269000, C210S274000, C210S275000, C210S277000, C210S279000

Reexamination Certificate

active

07897040

ABSTRACT:
Exemplary systems and methods relating to washboxes are described.

REFERENCES:
patent: 4246102 (1981-01-01), Hjelmner et al.
patent: 5454959 (1995-10-01), Stevens
patent: 5520804 (1996-05-01), Ward
patent: 6251294 (2001-06-01), Davis et al.
patent: 6387283 (2002-05-01), Lind
patent: 6517712 (2003-02-01), Xia et al.
patent: 6790351 (2004-09-01), Xia et al.
patent: 7381336 (2008-06-01), Stedman

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