Pressure washing system, components and methods

Details Pressure washing system, components and methods Pressure washing system, components and methods

2008-03-04

2008-03-04

Guidotti, Laura (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S320000, C015S302000, C015S401000, C015S353000

Reexamination Certificate

active

10630442

ABSTRACT:
According to certain embodiments of the invention, a pressure washing system delivers a cleaning fluid under pressure to a surface to be cleaned, and includes a fluid pump unit for supplying the fluid to the surface. A fluid collector captures wastewater runoff of the cleaning fluid on the surface to be cleaned. The vacuum pump unit withdraws the captured waste fluid from the fluid collector.

REFERENCES:
patent: 3775053 (1973-11-01), Wisdom
patent: 3831223 (1974-08-01), Colt et al.
patent: 3958298 (1976-05-01), Cannan
patent: 4530131 (1985-07-01), Zell et al.
patent: 4723337 (1988-02-01), Ellison et al.
patent: 5349722 (1994-09-01), Chayer
patent: 5718015 (1998-02-01), Rohrbacher
patent: 6997395 (2006-02-01), Kawamoto

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