Patent · US Active

Brewing unit for a coffee machine

US11849878B2 · kind B2 · utility

0Cited by

3References

17Claims

0Family size

Assignee

MELITTA PROFESSIONAL COFFEE SOLUTIONS GMBH & CO. KG · DE

Inventors

Armin HENSEL · Rahden, DE
Dirk Meyer · Frankfurt, DE
Bernd Buchholz · Rahden, DE

Key dates

Filing date	Jul 8, 2020
Grant date	Dec 26, 2023
Priority date	—
Expiry date	Nov 12, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47J31/3619
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A brewing unit for a piston coffee machine is designed as a spindle brewing unit with an outer spindle and inner spindle, and with a brewing slide as a brewing chamber, two piston units in the form of a showerhead and a plunger, a drive motor, and at least one gearing mechanism.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.