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. 26, 2012
Filed:
Aug. 17, 2007
Applicant:
Heinrich Kladders, Muelheim/Ruhr, DE;
Inventor:
Heinrich Kladders, Muelheim/Ruhr, DE;
Assignee:
Boehringer Ingelheim International GmbH, Ingelheim am Rhein, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61M 15/00 (2006.01); A61M 16/00 (2006.01); B05D 7/14 (2006.01); B65D 83/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A preferably pulverulent formulation to be dosed is received in a dosing chamber having a partly gas-permeable wall. The introduction and discharge of the formulation is achieved by means of a pumping device that alternately generates a negative pressure and an excess pressure in the dosing chamber. The dosing chamber can also be displaced between a receiving position and a discharge position by means of a piston, the piston controlling the negative and excess pressure in the dosing chamber. Furthermore, the size of the dosing chamber is adjustable.