CA2203439C - End of life mechanism for water treatment cartridge - Google Patents

End of life mechanism for water treatment cartridge Download PDF

Info

Publication number
CA2203439C
CA2203439C CA002203439A CA2203439A CA2203439C CA 2203439 C CA2203439 C CA 2203439C CA 002203439 A CA002203439 A CA 002203439A CA 2203439 A CA2203439 A CA 2203439A CA 2203439 C CA2203439 C CA 2203439C
Authority
CA
Canada
Prior art keywords
float
water
chamber
support member
accordance
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.)
Expired - Fee Related
Application number
CA002203439A
Other languages
English (en)
French (fr)
Other versions
CA2203439A1 (en
Inventor
James L. Lund
David J. Emmons
Richard D. Hembree
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.)
Pur Water Purification Products Inc
Original Assignee
Pur Water Purification Products 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 Pur Water Purification Products Inc filed Critical Pur Water Purification Products Inc
Publication of CA2203439A1 publication Critical patent/CA2203439A1/en
Application granted granted Critical
Publication of CA2203439C publication Critical patent/CA2203439C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F1/00Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
    • G04F1/04Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity
    • G04F1/06Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity by flowing-away of a prefixed quantity of fine-granular or liquid materials, e.g. sand-glass, water-clock
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/003Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/44Time
    • C02F2209/445Filter life
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00Location of water treatment or water treatment device
    • C02F2307/04Location of water treatment or water treatment device as part of a pitcher or jug

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
CA002203439A 1994-11-17 1995-11-13 End of life mechanism for water treatment cartridge Expired - Fee Related CA2203439C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/341,420 US5536394A (en) 1994-11-17 1994-11-17 End of life mechanism for water treatment cartridge
US08/341,420 1994-11-17
PCT/US1995/014519 WO1996015994A1 (en) 1994-11-17 1995-11-13 End of life mechanism for water treatment cartridge

Publications (2)

Publication Number Publication Date
CA2203439A1 CA2203439A1 (en) 1996-05-30
CA2203439C true CA2203439C (en) 2008-02-26

Family

ID=23337490

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002203439A Expired - Fee Related CA2203439C (en) 1994-11-17 1995-11-13 End of life mechanism for water treatment cartridge

Country Status (15)

Country Link
US (2) US5536394A (enExample)
EP (1) EP0792249B1 (enExample)
JP (1) JP3877331B2 (enExample)
KR (1) KR100375414B1 (enExample)
CN (1) CN1087274C (enExample)
AU (1) AU4406196A (enExample)
BR (1) BR9509697A (enExample)
CA (1) CA2203439C (enExample)
DE (1) DE69511282T2 (enExample)
IL (1) IL115974A (enExample)
RU (1) RU2145252C1 (enExample)
TR (1) TR199501454A2 (enExample)
TW (1) TW301613B (enExample)
WO (1) WO1996015994A1 (enExample)
ZA (1) ZA959742B (enExample)

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USD399141S (en) 1997-05-06 1998-10-06 The Clorox Company End-of-life indicator for a water treatment device
US5873995A (en) * 1997-05-06 1999-02-23 The Clorox Company End-of-life indicator for water treatment device
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US6387260B1 (en) 1997-08-21 2002-05-14 Electrophor, Inc. Filtration device for liquid purification
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USD406536S (en) * 1998-02-23 1999-03-09 The Clorox Company End-of-life indicator for a water treatment device
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US6537614B1 (en) 1998-12-18 2003-03-25 Kimberly-Clark Worldwide, Inc. Cationically charged coating on hydrophobic polymer fibers with poly (vinyl alcohol) assist
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CZ20014131A3 (cs) * 1999-05-20 2002-08-14 The Procter & Gamble Company Způsob odstraňování nejdrobnějąích patogenů z kapaliny
USD450531S1 (en) 1999-06-29 2001-11-20 Kimberly-Clark Worldwide, Inc. Carafe for filtered water
USD444987S1 (en) 1999-06-29 2001-07-17 Kimberly-Clark Worldwide, Inc. Filtered water carafe
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US6645388B2 (en) 1999-12-22 2003-11-11 Kimberly-Clark Corporation Leukocyte depletion filter media, filter produced therefrom, method of making same and method of using same
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US7615152B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products, Inc. Water filter device
US7614507B2 (en) * 2001-08-23 2009-11-10 Pur Water Purification Products Inc. Water filter materials, water filters and kits containing particles coated with cationic polymer and processes for using the same
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US7252757B2 (en) * 2002-09-09 2007-08-07 Clarity Filters Llc Faucet-mounted water filtration device including gate position sensor
USD498512S1 (en) 2003-07-03 2004-11-16 Clear Flow Corporation Water filter
USD533622S1 (en) 2003-10-01 2006-12-12 Water Pik, Inc. End-of-faucet filter
US7326334B2 (en) 2003-10-01 2008-02-05 Instapure Brands, Inc. End-of-faucet filter
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US7713482B2 (en) 2003-12-18 2010-05-11 The Clorox Company Control scheme for enhanced filtered water systems
US7378015B2 (en) * 2003-12-18 2008-05-27 The Clorox Company Filtered water enhancements
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US7487677B2 (en) * 2004-04-19 2009-02-10 Fook Tin Technologies Ltd. Apparatus and methods for monitoring water consumption and filter usage
US7316323B2 (en) * 2004-05-06 2008-01-08 The Procter & Gamble Company Filters having improved permeability and virus removal capabilities
US20050258082A1 (en) * 2004-05-24 2005-11-24 Lund Mark T Additive dispensing system and water filtration system
US8556127B2 (en) * 2004-05-24 2013-10-15 Pur Water Purification Products, Inc. Additive dispensing system for a refrigerator
US7670479B2 (en) 2004-05-24 2010-03-02 PUR Water Purification, Inc. Fluid container having an additive dispensing system
US8893927B2 (en) * 2004-05-24 2014-11-25 Pur Water Purification Products, Inc. Cartridge for an additive dispensing system
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US8940163B2 (en) * 2008-07-21 2015-01-27 3M Innovative Properties Company Apparatus for dispersing additive into a fluid stream
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US9937446B1 (en) * 2013-08-06 2018-04-10 Brita Lp Mechanisms and systems for directing water flow in a fluid container
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BR112016029257A2 (pt) 2014-06-20 2017-08-22 Unilever Nv dispositivo de medição para um conjunto de autodesligamento
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Also Published As

Publication number Publication date
RU2145252C1 (ru) 2000-02-10
JPH10509378A (ja) 1998-09-14
CN1087274C (zh) 2002-07-10
EP0792249B1 (en) 1999-08-04
US5785844A (en) 1998-07-28
EP0792249A1 (en) 1997-09-03
ZA959742B (en) 1997-05-16
AU4406196A (en) 1996-06-17
CN1163601A (zh) 1997-10-29
JP3877331B2 (ja) 2007-02-07
IL115974A (en) 1999-08-17
US5536394A (en) 1996-07-16
DE69511282T2 (de) 2000-04-13
TR199501454A2 (tr) 1996-06-21
KR100375414B1 (ko) 2003-05-16
DE69511282D1 (de) 1999-09-09
WO1996015994A1 (en) 1996-05-30
CA2203439A1 (en) 1996-05-30
IL115974A0 (en) 1996-01-31
BR9509697A (pt) 1997-09-30
TW301613B (enExample) 1997-04-01

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