Extraction with heated cleaning fluid

Details Extraction with heated cleaning fluid Extraction with heated cleaning fluid

2005-12-29

2010-12-14

Thomas, David B (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C134S021000

Reexamination Certificate

active

07849556

ABSTRACT:
A portable carpet cleaning apparatus comprises a module for movement along a surface, a cleaning fluid dispensing system for applying a cleaning fluid to the surface, optionally, a rotating brush assembly, a suction nozzle and a vacuum source fluidly connected to the suction nozzle and a heating element for heating the cleaning fluid immediately prior to the application of the cleaning fluid to the surface.

REFERENCES:
patent: 1969036 (1934-08-01), Riebel, Jr.
patent: 2870016 (1959-01-01), Day et al.
patent: 3335448 (1967-08-01), Knestele
patent: 5016313 (1991-05-01), Yonehara
patent: 5309593 (1994-05-01), Yonehara
patent: 6131237 (2000-10-01), Kasper et al.
patent: 6173905 (2001-01-01), Schultes
patent: 2005/0022333 (2005-02-01), McDowell et al.

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