IP Library Granted Patent US 8,034,189
Granted Patent B2
US 8,034,189 · App. 12/403,711 · Granted Oct 11, 2011

Processes for surface cleaning

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Quick Facts
Patent No.
US 8,034,189
App. No.
12/403,711
Granted
Oct 11, 2011
Kind
B2
Abstract

Described and claimed are apparatuses and systems for surface cleaning comprising a pump and an applicator connected to the pump through which one or more cleaning agents can be applied to the surface at an operating pressure that is about 600 PSI or less and an operating flow rate that is about 1 gal/min or less.

Claims (8)

1. A method of cleaning an air handler system surface comprising the steps of applying a chemical cleaning agent to the surface in need of cleaning at an operating pressure that is about 60 to about 600 PSI at an operating flow rate of 1 gal/min or less.

2. The method of claim 1 wherein said surface is cleaned at an operating flow rate of about 0.25 gal/min to about 0.5 gal/min.

3. The method of claim 1 wherein said surface is cleaned at an operating flow rate of about 0.1 gal/min to about 1 gal/min.

4. The method of claim 1 wherein said surface is cleaned at an operating flow rate of about 0.25 gal/min to about 1 gal/min.

5. The method of claim 1 further comprising: rinsing the air handler system surface with water or a rinse solution supplied at an operating pressure that is about 30 to about 600 PSI at an operating flow rate of about 1 gal/min or less.

6. The method of claim 5 wherein said surface is cleaned at an operating flow rate of about 0.25 gal/min to about 0.5 gal/min.

7. The method of claim 5 wherein said surface is cleaned at an operating flow rate of about 0.1 gal/min to about 1 gal/min.

8. The method of claim 5 wherein said surface is cleaned at an operating flow rate of about 0.25 gal/min to about 1 gal/min.

Assignments (7)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 4, 2017
From: NALCO COMPANY
To: ECOLAB USA INC.
Reel/Frame 042147/0420 →
CHANGE OF NAME Recorded Feb 28, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 041835/0903 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 28, 2017
From: NALCO COMPANY LLC; CALGON CORPORATION; CALGON LLC; ONDEO NALCO ENERGY SERVICES, L.P.
To: ECOLAB USA INC.
Reel/Frame 041836/0437 →
RELEASE OF SECURITY INTEREST Recorded Feb 24, 2017
From: BANK OF AMERICA, N.A.
To: NALCO COMPANY
Reel/Frame 041808/0713 →
RELEASE OF SECURITY INTEREST Recorded May 26, 2015
From: BANK OF AMERICA, N.A.
To: NALCO COMPANY
Reel/Frame 035771/0668 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 24, 2009
From: MUNCH, STEFAN
To: NALCO COMPANY
Reel/Frame 023024/0696 →
SECURITY AGREEMENT Recorded May 18, 2009
From: NALCO COMPANY; CALGON LLC; NALCO ONE SOURCE LLC; NALCO CROSSBOW WATER LLC
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 022703/0001 →