US 12,440,787 B2
Disc filter holder
John Paul Amara, Bedford, MA (US); James Ormond, Belmont, MA (US); and Kevin McDermot, Salem, NH (US)
Assigned to EMD Millipore Corporation, Burlington, MA (US)
Filed by EMD Millipore Corporation, Burlington, MA (US)
Filed on Mar. 16, 2023, as Appl. No. 18/185,015.
Claims priority of provisional application 63/363,212, filed on Apr. 19, 2022.
Prior Publication US 2023/0330574 A1, Oct. 19, 2023
Int. Cl. B01D 35/30 (2006.01); B01D 29/05 (2006.01)
CPC B01D 35/30 (2013.01) [B01D 29/05 (2013.01); B01D 2201/4069 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A filter holder, comprising:
a. a front piece, comprising, i) a front wall having a base, a first side edge and a second side edge, ii) a first front side wall and iii) a second front side wall, said first front side wall connected with the first side edge of the front wall and said second front side wall connected to the second edge of the front wall, both the first front side wall and second front side wall at substantially a right angle to said front wall, wherein said base extends from and is connected to said first front side wall forming a first junction, said second front side wall, forming a second junction, and said front wall and, further, extends beyond said front wall in a direction opposite of said first front side wall and said second front side wall, it's plane substantially perpendicular to the planes of the first side wall, the second side wall and the front wall;
b. a rear piece, comprising, i) a back wall having a base, ii) a first rear side wall and iii) a second rear side wall, the first rear side wall and the second rear side wall being essentially cylindrical and hollow and extending from said back wall at essentially right angles forming a first cylindrical rear side wall and a second cylindrical rear side wall, wherein said base extends from and is connected to said first rear side wall, said second rear side wall and said back wall and, further, extends beyond said back wall in a direction opposite of said first rear side wall and said second rear side wall;
c. the front piece further comprising, at the first junction, a first cylindrical opening; and at the second junction, a second cylindrical opening; said first and said second cylindrical openings being aligned with the first cylindrical rear side wall and the second cylindrical opening being aligned with said second cylindrical rear side wall when the front piece is aligned with the rear piece;
d. a first magnet, sized to fit into said first cylindrical rear side wall and said first front cylindrical opening, and a second magnet size to fit into the second rear side wall and said second cylindrical opening when the front piece is aligned with and connected to the rear piece.