Patent · US Active

Device for purifying drinking water in multiple stages

US12319604B2 · kind B2 · utility

0Cited by

11References

11Claims

0Family size

Assignee

instrAction GmbH · DE

Inventors

Martin Welter · Heidelberg, DE
Christian Meyer · Demarest, US
Kristian Lungfiel · Wiesbaden, DE

Key dates

Filing date	Sep 9, 2019
Grant date	Jun 3, 2025
Priority date	—
Expiry date	Aug 31, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2303/04
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A device for purifying drinking water in multiple stages by combining orthogonal purification technologies in one module is described, where the device comprises a housing, a water inlet opening, a water outlet opening, a hollow cylinder which is filled with activated carbon, and a hollow cylinder with a semipermeable wall, wherein the hollow cylinder contains a chelating bactericidal gel or a chelating and bactericidal gel for removing heavy metals or bacteria or for removing heavy metals and bacteria.

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