Extraction cleaning with alternating fluid distribution

Details Extraction cleaning with alternating fluid distribution Extraction cleaning with alternating fluid distribution

2011-03-15

2011-03-15

Thomas, David B (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

Reexamination Certificate

active

07904990

ABSTRACT:
Surface cleaning wherein recovering a soiled cleaning fluid from a surface to be cleaned is subsequent to the application of fluid to the surface as a module moves along a given direction as a module moves along different and opposite directions. A method and apparatus are disclosed.

REFERENCES:
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patent: 6131237 (2000-10-01), Kasper et al.
patent: 6453506 (2002-09-01), Sumner
patent: 6681442 (2004-01-01), Coates et al.
patent: 7392566 (2008-07-01), Gordon et al.
patent: 2002/0092115 (2002-07-01), Zahuranec et al.
patent: 2003/0159232 (2003-08-01), Hekman et al.
patent: 2005/0091782 (2005-05-01), Gordon et al.

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