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. 19, 2026
Filed:
Jul. 31, 2021
Obrist Closures Switzerland Gmbh, Reinach, CH;
Patrick Schmidt, Zell-Kaimt, DE;
Christian Wilhelms, Blankenrath, DE;
Klaus Natersky, Grenderich, DE;
OBRIST CLOSURES SWITZERLAND GMBH, Reinach, CH;
Abstract
A trigger pump dispenser () comprising: a body (); an outlet nozzle (); a pump chamber (); a piston () for defining a variable volume in the pump chamber () and movable between a retracted position of larger chamber volume and an inserted position of lesser chamber volume; a trigger () coupled with the piston () and movable from a starting position at which the piston () is in the retracted position and a depressed position at which the piston () is in the inserted position; biasing means () is provided for biasing the trigger () towards its retracted position.