# US 7,744,766 B2 · User friendly dispensers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,744,766 B2 - Document ID: US7744766B2 - Status: Granted - Kind: B2 - Application number: 11/803,296 - Filed: 2007-05-14 - Published: 2007-12-06 - Granted: 2010-06-29 - Earliest claimed: 2002-12-10 - Inventors: Joseph A. King - Web page: https://patentgrep.com/patent/US7744766B2 ## CPC - B01F 21/221: {comprising constructions for blocking or redispersing undissolved solids} - B01F 21/22: {using additional holders in conduits, containers or pools for keeping the solid material in place, e.g. supports or receptacles} - B01F 25/53: in which the mixture is discharged from and reintroduced into a receptacle through a recirculation tube, into which an additional component is introduced - C02F 1/688: {Devices in which the water progressively dissolves a solid compound} - E04H 4/1281: {Devices for distributing chemical products in the water of swimming pools} - B01F 21/501: {Tablet canisters provided with perforated walls, sieves, grids or filters} - C02F 1/505: {by oligodynamic treatment} - C02F 1/76: with halogens or compounds of halogens {(C02F1/4674 takes precedence)} - C02F 2103/42: from bathing facilities, e.g. swimming pools - C02F 2303/14: Maintenance of water treatment installations - Y10T 137/0363: For producing proportionate flow - Y10T 137/4891: With holder for solid, flaky or pulverized material to be dissolved or entrained - B01F: MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING (mixing paints B44D3/06) - C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes) - E04H: BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL (foundations E02D) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A user friendly system that permits an unskilled person to quickly add dispersant material to a fluid system with the user friendly system utilizing operator evident dispersant carriers such as drawers, hangars or insertable cartridges. ## Claims ### Claim 1 A method of dispensing a material into a fluid system comprising: placing a dispersant material into a compartment of a dispersant housing having a fluid ingress and a fluid egress; and hanging the dispersant housing on a container of a fluid system with the entire dispersant housing located below a fluid gas interface to permit dispensing of dispersant material into the body of fluid in the container. ### Claim 2 (depends on 1) The method of claim 1 including the step of hanging the dispenser housing on a top rail of the container. ### Claim 3 (depends on 1) The method of claim 1 wherein the step of placing the dispersant material comprises placing an ion yielding material in the compartment. ### Claim 4 (depends on 1) The method of claim 1 including the step of placing a dispersant material containing silver chloride in the compartment in the dispersant housing. ### Claim 5 A method of replenishing a dispersant in a spa, hot tub, jetted bath tub or pool therein comprising: laterally sliding a drawer having an open chamber normally positioned in a liquid media at least partially out of a drawer housing located in a liquid circulation system; placing a fresh charge of dispersant in the drawer; and closing the drawer to permit the dispersant to be carried into the liquid. ### Claim 6 A method of replenishing a dispersant in a spa, hot tub, jetted bath tub or pool therein comprising: removing a cover on a portion of a liquid circulation system; placing an entire charge of a dispersant on a porous member in a compartment beneath the cover and below a liquid gas interface in the circulation system; and closing the cover on the system to allow a liquid to circulate through the entire charge of dispersant in the liquid circulation system. ### Claim 7 A method of replenishing a dispersant in a spa, hot tub, jetted bath tub or pool therein comprising: removing a cover located above a liquid gas interface in a container of recreational water; placing a charge of dispersant on a tray having openings therein in a liquid line containing a liquid and below the liquid gas interface; and placing the cover on the liquid line to thereby enable the dispersant to be delivered to the recreational water in the container through the dispersant in the liquid line to render the recreational water suitable for body immersion. ### Claim 8 A method of replenishing a dispersant in a spa, hot tub, jetted bath tub or pool therein comprising: directing a liquid through a fountain having a laterally sliding tray with a chute for returning the liquid to a body of recreation liquid under the influence of gravity; and placing a fresh charge of dispersant in the tray to allow the liquid to flow over the charge of dispersant to thereby dispense the dispersant into the body of recreational liquid.