Patent · US Active

Humidifier with a water tub within a pressurized chamber

US11318271B2 · kind B2 · utility

3Cited by

37References

28Claims

0Family size

Assignee

ResMed Pty Ltd · AU

Inventors

Alexander Virr · Sydney, AU
Andrew Roderick Bath · Sydney, AU
Nathan John Row · Sydney, AU
Dan Kao · Perth, AU
Phoebe Katherine Hill · Sydney, AU
Nicholas Andrew Earl · Royston, GB
Hargopal Verma · Parramatta, AU
Junning Chen · Sydney, AU

Key dates

Filing date	May 17, 2021
Grant date	May 3, 2022
Priority date	—
Expiry date	May 17, 2041

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2205/587
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A tub is configured to contain a supply of water and is configured to be inserted into a chamber of a humidifier. The tub includes a tub base configured to contain the supply of water. The tub also includes a tub lid and a flow plate provided between the tub base and the tub lid. The flow plate includes a water level indicator configured to indicate a level of the supply of water in the tub base. In addition, the water level indicator includes a generally rectangular portion and a generally triangular portion.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.