US 12,144,456 B2
Filtration for cartridge based beverage forming systems and related methods
Garrett S. Waggoner, Tampa, FL (US); Andrew J. Gay, Bothell, WA (US); Thomas A. Urbanik, Maynard, MA (US); Cole Houston, Central Falls, RI (US); and Corey Jerolmon, Boston, MA (US)
Assigned to Cirkul, Inc., Tampa, FL (US)
Filed by Cirkul, Inc., Tampa, FL (US)
Filed on Nov. 27, 2020, as Appl. No. 17/106,053.
Claims priority of provisional application 62/941,868, filed on Nov. 28, 2019.
Prior Publication US 2021/0169264 A1, Jun. 10, 2021
Int. Cl. A47J 31/44 (2006.01); A47J 31/00 (2006.01); B65D 81/32 (2006.01)
CPC A47J 31/4464 (2013.01) [A47J 31/005 (2013.01); B65D 81/3216 (2013.01)] 24 Claims
OG exemplary drawing
 
1. An assembly for use with a cartridge-based additive delivery system including:
a container lid configured to engage with a container having base liquid, the container lid having a lid base with an upper side opposite a lower side, an upper collar on the upper side of the lid base and a lower collar on the lower side;
a cartridge adapted to be secured to the upper collar of the container lid, the cartridge having at least one cartridge base liquid entry port for receiving the base liquid and a flavoring concentrate for mixing with the base liquid to form a mixed beverage; and
a filter assembly comprising:
a filter element defining a filter element interior space; and
a filter support frame defining a filter support frame interior space adapted to receive and surround at least a portion of the cartridge, the filter support frame including a container lid interface adapted to removably secure the filter assembly to the lower collar of the container lid.