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:
Apr. 21, 2009
Filed:
Jan. 26, 2005
Timothy M. Crowder, Durham, NC (US);
Anthony J. Hickey, Chapel Hill, NC (US);
Jeffrey A. Warden, Chapel Hill, NC (US);
Timothy M. Crowder, Durham, NC (US);
Anthony J. Hickey, Chapel Hill, NC (US);
Jeffrey A. Warden, Chapel Hill, NC (US);
Oriel Therapeutics, Inc., Durham, NC (US);
Abstract
The present invention includes dry powder inhalers for dispensing and/or holding inhalant formulated dry powder substances and associated fabrication and dispensing methods that can employ an amplitude modulated non-linear signal comprising a plurality of superimposed frequencies, the frequencies corresponding to a priori flow characteristic frequencies of the dry powder being dispensed. The present invention also includes pocket-sized inhalers with an elastomeric flexible pivoting cover.