Fluid Dispenser Device - US12594384B2

ChangeBridge: Patent Grants - Medical Devices (A61M)

Published April 7th, 2026

Detected April 8th, 2026

Summary

USPTO granted patent US12594384B2 to APTAR FRANCE SAS for a fluid dispenser device with a multi-dose reservoir, piston mechanism, actuating member, return spring, and dose indicator window. The patent contains 7 claims covering the device's mechanical configuration for controlled fluid dispensing. Filing date was October 20, 2021.

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What changed

USPTO issued patent grant US12594384B2 to APTAR FRANCE SAS on April 7, 2026, covering a fluid dispenser device designed for dispensing fluid products in multiple doses. The invention features a reservoir with sliding piston, an axially movable actuating member inside a skirted head, a return spring cooperating with a sleeve shoulder, and a dose indicator with a window positioned under the finger-rest. The patent has 7 claims covering the mechanical aspects of the dispenser including the indicator mechanism that keeps the spring concealed. This patent grants exclusive IP rights to APTAR FRANCE SAS for the fluid dispenser technology in the United States, potentially affecting competitors developing similar multi-dose dispensing devices in the medical and pharmaceutical delivery space.

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← USPTO Patent Grants

Device for dispensing a fluid product

Grant US12594384B2 Kind: B2 Apr 07, 2026

Assignee

APTAR FRANCE SAS

Inventors

Lila Graine

Abstract

A fluid dispenser device having a reservoir containing at least two doses of fluid, a piston that is mounted to slide in the reservoir, a head that is provided with an orifice and a skirt, a finger-rest being provided on the head. The device has an actuating member axially movable inside the skirt to perform successive actuations, a spring provided to return the actuating member to its starting position after each actuation. The device has an indicator that includes a window and indicator mechanism, the window disposed in the skirt, under said finger rest, the spring co-operating with a shoulder of a sleeve that is fixed in the head, the shoulder disposed axially below the window, so that the spring is never visible in the window.