US 11,808,285 B2
Spa filtration system and method
Nathan Tulett, Pleasant Grove, UT (US); Eric Hales, Eagle Mountain, UT (US); and Creed Larsen, Murray, UT (US)
Assigned to Bullfrog International, LC, Herriman, UT (US)
Filed by Bullfrog International, LC, Herriman, UT (US)
Filed on Dec. 22, 2020, as Appl. No. 17/131,327.
Claims priority of provisional application 62/954,399, filed on Dec. 27, 2019.
Prior Publication US 2021/0199136 A1, Jul. 1, 2021
Int. Cl. B01D 46/24 (2006.01); B01D 46/00 (2022.01); B01D 29/15 (2006.01); F04D 29/70 (2006.01)
CPC F04D 29/708 (2013.01) [B01D 29/15 (2013.01); B01D 46/0004 (2013.01); B01D 46/2411 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A system for filtering water in a spa, the system comprising:
a housing defining a receptacle that receives a framework, the housing comprising a cover and a back element, the cover and the back element connectable to form the receptacle, wherein the back element comprises an inlet port and an outlet port, and a threaded boss for connection to a spa shell;
the framework removably attached to the cover of the housing; and
a spa shell comprising a plurality of convexities, and wherein the housing is connected to the spa shell at one of the plurality of convexities; and
a spa seat back removably receivable within one or more of the plurality of convexities, and wherein the housing is connected to the spa shell behind the spa seat back.