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:
Dec. 30, 2025
Filed:
Jul. 19, 2021
Applicant:
Zehnder Group International Ag, Gränichen, CH;
Inventors:
Eric Arends, Zwolle, NL;
Martijn Haddeman, Epe, NL;
Assignee:
ZEHNDER GROUP INTERNATIONAL AG, Gränichen, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F 12/00 (2006.01); F24F 13/08 (2006.01);
U.S. Cl.
CPC ...
F24F 12/006 (2013.01); F24F 13/08 (2013.01); F24F 2012/007 (2013.01);
Abstract
A heat recovery unit with a unit housing () defining a unit compartment, a heat exchanger (), a fresh air bypass flow passage and/or an exhaust air bypass flow passage, a fresh air centrifugal fan arrangement () and an exhaust air centrifugal fan arrangement (), a fresh air filter () and an exhaust air filter ().