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:
Jul. 26, 2022
Filed:
Sep. 18, 2018
Norton (Waterford) Limited, Waterford, IE;
Daniel Buck, County Waterford, IE;
Paul Prendergast, County Carlow, IE;
Declan Walsh, County Kilkenny, IE;
Norton (Waterford) Limited, Waterford, IE;
Abstract
An inhaler housing () for an inhaler () for inhaling inhalable substances, the inhaler having: a body () and a dose counter () with a return spring (), wherein a distinct guide surface () is provided for guiding the end of the return spring into a recess (), the distinct guide surface being wider than an entrance mouth () of the recess, a dose counter chamber () being provided which is separated from a tubular interior space () of the inhaler by a barrier (), the barrier including a stepped upper wall area () including at least three steps () at different levels, the inhaler having a valve stem block () having an inner bore and a valve stem block having a seal () in the inner bore with a second diameter which is smaller than a first diameter of the inner bore, the inhaler having a canister () being adapted to move during operation between 1 and 4 mm, a drive being arranged to apply a firing force of between 15 N and 60 N of force to the canister at a position of the canister relative to a valve stem () at which the canister fires.