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:
Nov. 21, 2006
Filed:
Feb. 14, 2002
Alexander Virr, Balmain, AU;
Ian Malcolm Smith, Westleigh, AU;
Perry David Lithgow, Glenwood, AU;
Richard Llewelyn Jones, Hornsby Heights, AU;
Andrew Cheung, Burwood, AU;
Alexander Virr, Balmain, AU;
Ian Malcolm Smith, Westleigh, AU;
Perry David Lithgow, Glenwood, AU;
Richard Llewelyn Jones, Hornsby Heights, AU;
Andrew Cheung, Burwood, AU;
ResMed Limited, North Ryde, AU;
Abstract
A humidifier is provided including a first humidifier part, a second humidifier part connectable with the first humidifier part, and a sealing gasket disposed between the first and second humidifier parts. The second humidifier part is configured to hold a volume of liquid therein and the first and second humidifier parts and the sealing gasket define first and second internal passages within the humidifier. The first passage is disposed so as to be exposed to a surface of the volume of liquid and the second passage is isolated from at least one of the first passage and the surface of the volume of liquid. The second passage is configured to communicate with a pressure and/or sound sensing device.