Patent · US Active

Inhalers and related methods

US11793953B2 · kind B2 · utility

0Cited by

23References

44Claims

0Family size

Assignee

Norton (Waterford) Limited · IE

Inventors

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

Key dates

Filing date	Sep 30, 2022
Grant date	Oct 24, 2023
Priority date	—
Expiry date	Sep 30, 2042

Classification

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

Abstract

A nasal inhaler for the inhalation of inhalable substances comprise: a canister having an interior reservoir containing pressurised inhalable substances including fluid; a metering valve including a metering chamber and a valve stem defining a communication path between the metering chamber and the interior reservoir, the communication path including an opening 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 located within the metering chamber is replaced with liquid from the interior reservoir.

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