Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Rudolf Buechi0
Date of Patent
October 23, 2018
0Patent Application Number
143825470
Date Filed
September 27, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A breathing tube for conducting a gas mixture in a ventilation system is provided, the tube including a tube portion; a coupler connectable to the tube portion; a connecting piece connectable to the coupler and which is attachable to a tube or a machine; wherein a filter element for filtering the gas mixture is arranged between the coupler and the connecting piece. The coupler includes a first integral electrical heating device which surrounds the filter element and which is adapted to heat the filter element effectively.
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