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:
Aug. 20, 2024
Filed:
Jan. 13, 2020
Philip Morris Products S.a., Neuchâtel, CH;
Robin Craig Cocker, Derby, GB;
Christopher Iain Davidson, Cambridge, GB;
Steve Han, Huntington Beach, CA (US);
Ben Alexander King, Oundle, GB;
Paul Mutti, Spilsby, GB;
Alex Stenzler, Long Beach, CA (US);
James Tibbatts, Cambridge, GB;
Philip Morris Products S.A., Neuchâtel, CH;
Abstract
Dry powder inhalers are described. The dry powder inhaler includes an air inlet, a reservoir and an airway assembly. A mouthpiece airway is connected to a first airway of the airway assembly. An airway head is attached to the airway assembly and it extends into the reservoir cavity. In certain embodiments, the airway head has a sharpened or beveled edge. At least one airway assembly opening is present in the airway assembly for connecting the reservoir cavity to the first airway. Methods for dispensing dry powder into an airway of a dry powder inhaler and inhaling dry powder from a dry powder inhaler is also disclosed. Embodiments of a dry powder inhaler having a two-stage air movement are also described.