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:
Jun. 14, 2016
Filed:
Sep. 14, 2011
Dirk Ernest Von Hollen, Clark, NJ (US);
Ashwin Kumar Kumar Viswanath, Randolph, NJ (US);
Dirk Ernest Von Hollen, Clark, NJ (US);
Ashwin Kumar Kumar Viswanath, Randolph, NJ (US);
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
A valved holding chamber () includes a main chamber housing (and a mouthpiece assembly () removeably coupled to a first end of the main chamber housing, the mouthpiece assembly including a mouthpiece housing () having a mouthpiece portion () and a valve housing portion (), a retaining ring () provided within and coupled to the valve housing portion, and a one-way inhalation valve () having an annular valve seat member (), wherein the valve seat member is held between the retaining ring and an engagement surface of the valve housing portion. In one particular embodiment, a portion of the first end of the main chamber housing engages the bottom of the valve seat member and creates a seal between the main chamber housing and the one-way inhalation valve and between the one-way inhalation valve and the mouthpiece housing.