Patent · US Active

Filter assembly

US12286345B2 · kind B2 · utility

0Cited by

3References

14Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Hannah L. Stoughton · Afton, US
Tommie W. Kelley · Coon Rapids, US
Windy A. Santa Cruz · Minneapolis, US
Matthew W. Gorrell · South St. Paul, US
John B. Stender · Duluth, US
Christine L. McCool · Okabena, US
Michael Elam · London, GB
Michael S. Schuffert · Calabasas, US
Jackson Hedden · Santa Monica, US
Frank Tyneski · Thousand Oaks, US
John M. Vernon · Malibu, US

Key dates

Filing date	Sep 5, 2019
Grant date	Apr 29, 2025
Priority date	—
Expiry date	Dec 12, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2239/0457
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Filter assemblies are disclosed. In particular, filter assemblies including a filter media and an overlay portion covering the filter media are disclosed. Such filter assemblies may provide both acceptable filtering capacity and cleanable visible front surfaces.

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