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:
May. 26, 2026
Filed:
Jan. 17, 2023
Kao Germany Gmbh, Darmstadt, DE;
Frank Zeiter, Darmstadt, DE;
KAO GERMANY GMBH, Darmstadt, DE;
Abstract
Pump housing arrangements and methods of dispensing liquid for cosmetic applications from dispenser pumps are provided. The pump housing arrangements comprise a chamber, an inlet channel, an outlet channel, and a movable piston, wherein the chamber comprises a flexible wall part adapted to be expanded outwards with respect to the inside volume of the chamber at an increasing inside pressure of the chamber, and a blocking element relative moveable with respect to the chamber between a blocking position and an operating position is provided. The blocking element blocks an expansion of the wall part in the blocking position and enables the expansion of the wall part in the operating position.