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:
Jul. 28, 2009
Filed:
Apr. 14, 2004
Martin Gagnon, Saint-Charles-de-Drummond, CA;
Daniel Marcoux, Saint-Charles-de-Drummond, CA;
Michel Julien, Drummondville, CA;
Jean-bernard Piaud, Rock Forest, CA;
Eric Charlebois, Saint-Nicéphore, CA;
Martin Gagnon, Saint-Charles-de-Drummond, CA;
Daniel Marcoux, Saint-Charles-de-Drummond, CA;
Michel Julien, Drummondville, CA;
Jean-Bernard Piaud, Rock Forest, CA;
Eric Charlebois, Saint-Nicéphore, CA;
Venmar Ventilation Inc., Drummonville, CA;
Abstract
An air handling system for an indoor space comprising a first forced indoor air treatment component, an input indoor air duct element and an output treated air duct element respectively coupling said first forced indoor air treatment component to said indoor space, a second forced air treatment component a stale air duct element coupled to said second forced air treatment component and to said input indoor air duct, a return air duct element coupling said second forced air treatment component to said output treated air duct element characterized in that said system comprises a secondary air path means for coupling said return air duct element to said input indoor air duct element.