Patent · US Active

Inhalers and related methods

US11583643B2 · kind B2 · utility

0Cited by

26References

40Claims

0Family size

Assignee

Norton (Waterford) Limited · IE

Inventors

Daniel Buck · Coolnasmear, IE
Paul Prendergast · Cork, IE
Declan Walsh · Thomastown, IE

Key dates

Filing date	Jan 26, 2018
Grant date	Feb 21, 2023
Priority date	—
Expiry date	Aug 19, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65D83/52
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An inhaler (10) for the inhalation of inhalable substances comprise: a canister (50) having an interior reservoir (84) containing pressurised inhalable substances including fluid; a metering valve (52) including a metering chamber (82) and a valve stem (54) defining a communication path between the metering chamber and the interior reservoir, the communication path (86) including an opening (106) configured to permit flow between a transfer space inside the valve stem and the interior reservoir, the interior reservoir being arranged for orientation above the metering chamber whereby gas such as air located within the metering chamber is replaced with liquid from the interior reservoir.

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