Patent · US Active

Multipass water filter

US12246971B2 · kind B2 · utility

0Cited by
77References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 6, 2022
Grant dateMar 11, 2025
Priority date
Expiry dateOct 10, 2043

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2307/10
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A filter device for filtering water. The device includes a housing, for submersion in a water reservoir, that includes an intake aperture for intake of water from the reservoir and a return aperture for returning water to the reservoir. The housing extends along an axis. The device includes a pump, housed in the housing, arranged on the axis to direct fluid from the intake aperture to the return aperture. The device includes a filter arrangement, housed in the housing, arranged along the axis from the pump in a fluid path between the intake aperture and the return aperture.

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