20250186922. Reusable Fram (3M INNOVATIVE PROPERTIES)
REUSABLE FRAMES FOR AIR FILTERS
Abstract: reusable frames for air filters, framed air filters, kits for making framed air filters, and methods of making and using framed air filters. the frame may include a frame base and a frame cover that are attached to each other to form the frame. the frame may include first and second opposing primary frame portions that respectively include first and second upward-open-ended elongate slots that are configured to receive first and second securing tabs of an expandable pleated air filter. the frame may include a set of upward struts that collectively form an upward anti-sag lattice with a multiplicity of anti-sag protrusions that protrude in a downward direction from a downward face of the upward anti-sag lattice.
Inventor(s): Craig D. Thompson, Mark A. Sanocki, Judd D. Olson, Michael L. Munson, Jacob T. Lusson, Bryan L, Gerhardt, Andrew R. Fox
CPC Classification: B01D46/0005 ({Mounting of filtering elements within casings, housings or frames ( takes precedence)})
Search for rejections for patent application number 20250186922
- Patent Applications
- 3M INNOVATIVE PROPERTIES COMPANY
- CPC B01D46/0005
- Craig D. Thompson of Inver Grove Heights MN US
- Mark A. Sanocki of Vadnais Heights MN US
- Judd D. Olson of Deephaven MN US
- Michael L. Munson of Maple Grove MN US
- Jacob T. Lusson of Richfield MN US
- Bryan L, Gerhardt of Woodbury MN US
- Andrew R. Fox of Oakdale MN US