EXTRACTION CLEANING APPARATUS
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United States of America Patent
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Issued Date -
Jul 2, 2009
app pub date -
Sep 24, 2008
filing date -
Sep 24, 2007
priority date (Note) -
Abandoned
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Abstract
An extraction cleaning apparatus includes separate cleaning tanks for water and detergent and optionally also for rinse agent. The apparatus is able to sense its direction of travel and/or rate of travel and to control the cleaning liquid composition and/or rate of its delivery onto the floor in accordance therewith. For example, the apparatus is able to dispense detergent at a higher rate when the forward rate of travel increases and to dispense only water and/or rinse agent in the reverse direction.
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