EP3938323A4 - Filterwell cartridges - Google Patents

Filterwell cartridges Download PDF

Info

Publication number
EP3938323A4
EP3938323A4 EP20773003.7A EP20773003A EP3938323A4 EP 3938323 A4 EP3938323 A4 EP 3938323A4 EP 20773003 A EP20773003 A EP 20773003A EP 3938323 A4 EP3938323 A4 EP 3938323A4
Authority
EP
European Patent Office
Prior art keywords
filterwell
cartridges
filterwell cartridges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20773003.7A
Other languages
German (de)
French (fr)
Other versions
EP3938323A1 (en
Inventor
David Guy
Jeffrey D. Johnson
Paul FREEBERG
Terry Goeman
Lyle ENDERSON
Darrin Swagel
Eric Barton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
King Technology Inc
Original Assignee
King Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by King Technology Inc filed Critical King Technology Inc
Publication of EP3938323A1 publication Critical patent/EP3938323A1/en
Publication of EP3938323A4 publication Critical patent/EP3938323A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/685—Devices for dosing the additives
    • C02F1/688—Devices in which the water progressively dissolves a solid compound
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/42—Nature of the water, waste water, sewage or sludge to be treated from bathing facilities, e.g. swimming pools
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/006—Cartridges
EP20773003.7A 2019-03-15 2020-03-11 Filterwell cartridges Pending EP3938323A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962919523P 2019-03-15 2019-03-15
PCT/US2020/000012 WO2020190354A1 (en) 2019-03-15 2020-03-11 Filterwell cartridges

Publications (2)

Publication Number Publication Date
EP3938323A1 EP3938323A1 (en) 2022-01-19
EP3938323A4 true EP3938323A4 (en) 2022-11-09

Family

ID=72521043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20773003.7A Pending EP3938323A4 (en) 2019-03-15 2020-03-11 Filterwell cartridges

Country Status (4)

Country Link
EP (1) EP3938323A4 (en)
AU (1) AU2020241097A1 (en)
CA (1) CA3126259A1 (en)
WO (1) WO2020190354A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2937068B2 (en) 2021-09-22 2023-07-26 Inquide Sau Device for water treatment in swimming pools and spas

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1178015A1 (en) * 2000-07-31 2002-02-06 King Technology, Inc. Stand alone water purifier
US20050211613A1 (en) * 2000-07-31 2005-09-29 Xc Activity enhanced dispensers
WO2007120038A1 (en) * 2006-04-18 2007-10-25 Nova Products B.V. Method, device and insert for making coffee with foamed milk
WO2013055382A1 (en) * 2011-10-13 2013-04-18 King Technology, Inc. Floating dispenser
WO2014123725A1 (en) * 2013-02-06 2014-08-14 Kx Technologies Llc Dual cartridge filter stabilizer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630634A (en) * 1985-12-02 1986-12-23 Rainbow Lifegard Products, Inc. Solid chlorine dispenser for spas
US4743368A (en) * 1986-10-06 1988-05-10 Gates Harvey W Swimming pool skimming and vacuuming system
US5779913B1 (en) * 1996-08-01 2000-02-01 Fountainhead Technologies Inc Water purifier for a spa
US6716342B1 (en) * 2002-08-29 2004-04-06 Herbert Tilsner Filter system for a swimming pool
US7052615B2 (en) * 2002-12-10 2006-05-30 King Technology Dispensing system
US6706174B1 (en) * 2003-05-19 2004-03-16 Keith Brothers, Inc. Hot tub filter assembly
US8007664B2 (en) * 2008-09-05 2011-08-30 Chemtura Corporation Floating dispenser for dispensing a solid dissolvable chemical into ambient water
AU2018316279A1 (en) * 2017-08-11 2019-12-05 King Technology Inc. Dispensing system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1178015A1 (en) * 2000-07-31 2002-02-06 King Technology, Inc. Stand alone water purifier
US20050211613A1 (en) * 2000-07-31 2005-09-29 Xc Activity enhanced dispensers
WO2007120038A1 (en) * 2006-04-18 2007-10-25 Nova Products B.V. Method, device and insert for making coffee with foamed milk
WO2013055382A1 (en) * 2011-10-13 2013-04-18 King Technology, Inc. Floating dispenser
WO2014123725A1 (en) * 2013-02-06 2014-08-14 Kx Technologies Llc Dual cartridge filter stabilizer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020190354A1 *

Also Published As

Publication number Publication date
EP3938323A1 (en) 2022-01-19
CA3126259A1 (en) 2020-09-24
AU2020241097A1 (en) 2021-07-29
WO2020190354A1 (en) 2020-09-24

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A4 Supplementary search report drawn up and despatched

Effective date: 20221011

RIC1 Information provided on ipc code assigned before grant

Ipc: C02F 103/00 20060101ALI20221005BHEP

Ipc: B01D 15/00 20060101ALI20221005BHEP

Ipc: B65D 83/00 20060101ALI20221005BHEP

Ipc: C02F 1/68 20060101ALI20221005BHEP

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Effective date: 20230601