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:
Sep. 21, 2021
Filed:
Dec. 22, 2016
Zehnder Group International Ag, Granichen, CH;
Flumroc Ag, Flums, CH;
Urs Thoma, Nafels, CH;
Christoph Egli, Lachen, CH;
Zehnder Group International AG, Granichen, CH;
Abstract
The invention relates to a channel element for a ventilation system. The channel element has a first opening (O), a second opening (O), and a channel wall which extends between the openings and surrounds a channel section. The channel element has a tubular section () and a thermally insulating envelope section () which is paired with the tubular section and envelopes same at least in sub-regions. The invention further relates to a channel element system made of individual channel elements which are connected together in series and a building envelope which contains such a channel element system.