Patent · US Active

Filter assembly

US11382470B2 · kind B2 · utility

1Cited by

7References

21Claims

0Family size

Assignee

Dyson Technology Limited · GB

Inventors

Robert Hinchliffe · Bristol, GB
Jeremy William Crouch · Swindon, GB

Key dates

Filing date	Dec 19, 2018
Grant date	Jul 12, 2022
Priority date	—
Expiry date	Nov 8, 2040

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2279/55
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter assembly includes a filter housing, a first filter, and a second filter, wherein the first filter is a pre-motor filter, and the second filter is a post-motor filter, and both the first and second filters are fixed to the filter housing and are annular about a common axis.

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