US 11,805,933 B2
Cold brew coffee apparatus
Brent T Ellis, Eau Claire, WI (US); Aaron J Munsinger, Eau Claire, WI (US); and Michael R Berge, Eau Claire, WI (US)
Assigned to National Presto Industries, Inc., Eau Claire, WI (US)
Filed by National Presto Industries, Inc., Eau Claire, WI (US)
Filed on Aug. 27, 2020, as Appl. No. 17/004,887.
Claims priority of provisional application 62/892,929, filed on Aug. 28, 2019.
Prior Publication US 2021/0059463 A1, Mar. 4, 2021
Int. Cl. A47J 31/02 (2006.01); A47J 31/40 (2006.01); A47J 31/06 (2006.01)
CPC A47J 31/02 (2013.01) [A47J 31/0636 (2013.01); A47J 31/40 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A device for brewing cold brew coffee comprising:
a base assembly having a rotatable magnetic field;
a cylindrical brew chamber having an internal diameter, an open upper portion and closed base portion;
a removable cup with a diameter that is substantially that of the internal diameter of the brew chamber, the removable cup configured with a rotatable impeller, the impeller magnetically coupled to the rotatable magnetic field of the base assembly;
a filter assembly adapted to be insertable into the brew chamber with a diameter substantially that of the internal diameter of the brew chamber; and
the filter assembly comprising flexible components that grasp a portion of the removable cup.