The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 2017
Filed:
May. 09, 2014
Applicant:
The Procter & Gamble Company, Cincinnati, OH (US);
Inventors:
Dana Paul Gruenbacher, Fairfield, OH (US);
Steven James Schroeck, Cincinnati, OH (US);
Jessica Elizabeth Leon, Bellevue, KY (US);
Paolo Dal Bo, Frankfurt, DE;
Uwe Schober, Glashutten, DE;
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 46/02 (2006.01); B01D 46/42 (2006.01); A47L 5/22 (2006.01); A47L 5/36 (2006.01); A47L 9/10 (2006.01); A47L 9/16 (2006.01); B01D 46/44 (2006.01); F24F 13/28 (2006.01); F24F 3/16 (2006.01); F24F 1/00 (2011.01);
U.S. Cl.
CPC ...
B01D 46/44 (2013.01); B01D 46/02 (2013.01); F24F 3/1603 (2013.01); F24F 13/28 (2013.01); B01D 2273/30 (2013.01); F24F 2001/0096 (2013.01); F24F 2003/1614 (2013.01);
Abstract
A method for filtering air of about 1 to about 10 microns particles at a greater than 40% filtering efficiency is provided. The method includes providing an air filtering device having a base, a fan functionally attached to the base, an air filter releasably attached to the base, and a substantially air impermeable outer sleeve; and activating the device for at least about 20 minutes.