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:
Oct. 07, 2025
Filed:
Aug. 31, 2022
Applicant:
Price Industries Limited, Winnipeg, CA;
Inventors:
Ethan Conrad Davis, Winnipeg, CA;
Jordan Ashley Rose Enns, Winnipeg, CA;
David Surminski, Winnipeg, CA;
Assignee:
Price Industries Limited, Winnipeg, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F 13/06 (2006.01); F24F 3/167 (2021.01); F24F 7/06 (2006.01); F24F 13/28 (2006.01);
U.S. Cl.
CPC ...
F24F 13/06 (2013.01); F24F 3/167 (2021.01); F24F 7/065 (2013.01); F24F 13/28 (2013.01); F24F 2013/0616 (2013.01);
Abstract
A critical area recirculation and exhaust system for a room operates in a normal operating mode where fresh air is delivered from an air handler through a diffuser and returned to the air handler through a room return duct. In a selected isolation operating mode, a fan filter unit is activated to draw contaminated air from the room through one or more filters and to expel the filtered air through the diffuser and through an exhaust air duct to create an increased air change rate and a negative pressure in the room.