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:
Sep. 22, 2026
Filed:
Oct. 12, 2020
Hollister Incorporated, Libertyville, IL (US);
Gregory J. Czaplewski, Glendale Heights, IL (US);
Patrick C. Tetzlaff, Caledonia, WI (US);
Brian T. Leadingham, Pleasant Prairie, WI (US);
Alex J. Gruber, Wind Lake, WI (US);
Nicholas A. Kerscher, Oak Creek, WI (US);
HOLLISTER INCORPORATED, Libertyville, IL (US);
Abstract
An ostomy appliance () includes a pouch wall () defining at least a portion of a collection chamber () configured to collect and store effluent from a stoma, an inlet () formed in the pouch wall configured to be secured around the stoma, and a filter assembly () having a filter (), a valve () and a bypass venting chamber () extending between the filter and the valve. The filter includes an active gas inlet section () configured to receive gas from the collection chamber, a bypass gas inlet section () configured to receive gas through the valve, and a filter outlet section () for exiting gas to the atmosphere.