US Patent Issued to KAO GERMANY on May 26 for "Pump housing arrangement and use of a dispenser pump" (German Inventor)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,663, issued on May 26, was assigned to KAO GERMANY GMBH (Darmstadt, Germany).

"Pump housing arrangement and use of a dispenser pump" was invented by Frank Zeiter (Darmstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 elem...