US 12,392,154 B2
Reconfigurable spa filter treatment systems and methods for treating filtered water for spas and hot tubs
Anthony Brennan, Latham, NY (US)
Assigned to Saratoga Spa & Bath, Inc., Latham, NY (US)
Filed by SARATOGA SPA & BATH, INC., Latham, NY (US)
Filed on Jun. 9, 2023, as Appl. No. 18/332,084.
Application 18/332,084 is a continuation of application No. 17/322,154, filed on May 17, 2021, granted, now 11,686,117.
Application 17/322,154 is a continuation of application No. 16/746,081, filed on Jan. 17, 2020, granted, now 11,008,770, issued on May 18, 2021.
Prior Publication US 2023/0313547 A1, Oct. 5, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. E04H 4/12 (2006.01); A61H 1/00 (2006.01); A61H 33/00 (2006.01); B01D 11/02 (2006.01); B01D 27/08 (2006.01); C02F 1/00 (2023.01); C02F 1/50 (2023.01); C02F 1/68 (2023.01); C02F 1/76 (2023.01); E04H 4/00 (2006.01); C02F 103/42 (2006.01)
CPC E04H 4/1281 (2013.01) [A61H 33/0087 (2013.01); A61H 33/60 (2013.01); C02F 1/688 (2013.01); E04H 4/0037 (2013.01); E04H 4/1218 (2013.01); E04H 4/1236 (2013.01); E04H 4/1272 (2013.01); A61H 1/00 (2013.01); A61H 2033/0037 (2013.01); B01D 11/0215 (2013.01); B01D 27/08 (2013.01); C02F 1/001 (2013.01); C02F 1/505 (2013.01); C02F 1/766 (2013.01); C02F 2103/42 (2013.01); C02F 2201/006 (2013.01)] 40 Claims
OG exemplary drawing
 
1. A spa filter system receivable in a skimmer of a spa or a hot tub for use in treating water in the spa or the hot tub, said system comprising:
a filter cartridge having an upper end, a bottom end, and a filter medium surrounding and defining a chamber therein;
a dispenser operable for receiving a water treatment material;
said upper end of said filter cartridge and said dispenser operably configured to support said dispenser from said upper end of said filter cartridge with said dispenser disposed within said filter cartridge; and
wherein when said dispenser is supported from said upper end of said filter cartridge in said filter cartridge and water from the spa or the hot tub is directed into the skimmer and through said filter medium of said filter cartridge and water prevented from passing though said upper end of said filter cartridge, said dispenser is disposed in the water in said chamber of said filter cartridge and is operable to dispense the water treatment material from said dispenser into the water.