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:
Feb. 19, 2002
Filed:
Jun. 18, 1999
Applicant:
Inventor:
Philip Braithwaite, Gloucestershire, GB;
Assignee:
Innovata Biomed Limited, Hertfordshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 1/500 ;
U.S. Cl.
CPC ...
A61M 1/500 ;
Abstract
A dry powder inhaler comprises a body defining a storage chamber for a powder and further defining an inhalation passage through which air is drawn via a mouthpiece A flow duct passing through the mouthpiece includes a circulatory section in which the flow duct is in the form of one or more passageways. The flow duct further includes a cyclone chamber between the circulatory section and the outlet of the mouthpiece.