Patent · US Active

Air filter arrangement; assembly; and, methods

US11951429B2 · kind B2 · utility

4Cited by

230References

27Claims

0Family size

Assignee

Donaldson Company, Inc. · US

Inventors

Gregory Reichter · Bloomington, US
Wayne R. W. Bishop · St. Louis Park, US
Benny K. Nelson · Waconia, US
Darrel Wegner · Burnsville, US
Bruce Crenshaw · Frankfort, US
Thomas Miller · Eagan, US
Donald Mork · Lime Springs, US
Kevin Schrage · Spring Valley, US
Vladimir Kladnitsky · Eagan, US
Richard Osendorf · West St. Paul, US
Bradley Kuempel · Eden Prairie, US
Thomas Lundgren · Bloomington, US
Jordan Flagstad · East Bethel, US

Key dates

Filing date	May 27, 2021
Grant date	Apr 9, 2024
Priority date	—
Expiry date	Nov 23, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2279/60
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Air filter cartridges are disclosed. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.

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