Granted Patent B2

US 12,263,430 · App. 17/764,627 · Granted Apr 1, 2025

Inventors: Matthew W. Gorrell (South St. Paul, MN); John B. Stender (Duluth, MN); Tommie W. Kelley (Shoreview, MN); Andrew C. Smith (Cottage Grove, MN); Windy A. Santa Cruz (Minneapolis, MN); John F. Reed (North Oaks, MN); Jacob D. Carlson (Stacy, MN); Marcus W. Rein (St. Paul, MN); Jessalyn A. Cox (Rochester, MN); Zachary W. Boughton (Saint Paul, MN); Michael J. Stern (St. Louis Park, MN)

Assignee: 3M Innovative Properties Company

B01D46/0005B01D46/0093B01D46/10F24C15/2035B01D2265/027B01D2265/06B01D2279/35

Abstract

Claims (18)

1. A filter securement assembly for receiving and retaining a filter media in an exhaust hood, comprising:

a main panel defining a first end and an opposed second end;

a first retainment surface adjacent the first end of the main panel;

a first retainment lip adjacent the first retainment surface;

a first mounting surface disposed at an acute angle to the first retainment lip;

a second retainment surface adjacent the second end of the main panel;

a second retainment lip adjacent the second retainment surface; and

a second mounting surface disposed at an acute angle to the second retainment lip.

2. The filter securement assembly of claim 1 , wherein the first retainment surface is substantially perpendicular to the main panel.

3. The filter securement assembly of claim 1 , wherein the second retainment surface is substantially perpendicular to the main panel.

4. The filter securement assembly of claim 1 , where one or more of the main panel, first retainment surface and second retainment surface include a flame-retardant paperboard.

5. The filter securement assembly of claim 1 , where one or more of the main panel, first retainment surface and second retainment surface include stainless steel.

6. The filter securement assembly of claim 1 , where one or more of the main panel, first retainment surface and second retainment surface include aluminum.

7. The filter securement assembly of claim 1 , wherein the main panel defines one or more apertures, the apertures forming at least 60% of a main panel surface area.

8. The filter securement assembly of claim 1 , wherein the first retainment lip is substantially perpendicular to the first retainment surface.

9. The filter securement assembly of claim 1 , wherein the second retainment lip is substantially perpendicular to the second retainment surface.

10. The filter securement assembly of claim 1 , further including an attachment structure for releasably securing the filter securement assembly to the exhaust hood.

11. The filter securement assembly of claim 10 , wherein the attachment structure includes one or more magnets for joining the exhaust hood with the filter securement assembly.

Assignments (1)

Continuity (2)

References Cited (27)