GB2257429B - Water filters - Google Patents

Water filters

Info

Publication number
GB2257429B
GB2257429B GB9214433A GB9214433A GB2257429B GB 2257429 B GB2257429 B GB 2257429B GB 9214433 A GB9214433 A GB 9214433A GB 9214433 A GB9214433 A GB 9214433A GB 2257429 B GB2257429 B GB 2257429B
Authority
GB
United Kingdom
Prior art keywords
water filters
filters
water
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
GB9214433A
Other versions
GB2257429A (en
GB9214433D0 (en
Inventor
William John Porter
Robert Paul Child
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.)
Kenwood Marks Ltd
Original Assignee
Kenwood Marks Ltd
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
Priority claimed from GB909024754A external-priority patent/GB9024754D0/en
Application filed by Kenwood Marks Ltd filed Critical Kenwood Marks Ltd
Priority to GB9214433A priority Critical patent/GB2257429B/en
Publication of GB9214433D0 publication Critical patent/GB9214433D0/en
Publication of GB2257429A publication Critical patent/GB2257429A/en
Application granted granted Critical
Publication of GB2257429B publication Critical patent/GB2257429B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/26—Filters with built-in pumps filters provided with a pump mounted in or on the casing
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
GB9214433A 1990-11-14 1992-07-07 Water filters Expired - Fee Related GB2257429B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9214433A GB2257429B (en) 1990-11-14 1992-07-07 Water filters

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909024754A GB9024754D0 (en) 1990-11-14 1990-11-14 Water filters
GB9124133A GB2250281B (en) 1990-11-14 1991-11-13 Water filters
GB9214433A GB2257429B (en) 1990-11-14 1992-07-07 Water filters

Publications (3)

Publication Number Publication Date
GB9214433D0 GB9214433D0 (en) 1992-08-19
GB2257429A GB2257429A (en) 1993-01-13
GB2257429B true GB2257429B (en) 1994-06-22

Family

ID=26297954

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9214433A Expired - Fee Related GB2257429B (en) 1990-11-14 1992-07-07 Water filters

Country Status (1)

Country Link
GB (1) GB2257429B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7366798A (en) * 1997-05-16 1998-12-08 Sunbeam Products, Inc. Water filtration device and related filter cartridge
DE19731092A1 (en) * 1997-07-19 1999-01-21 Brita Wasserfilter Device for indicating the exhaustion of a detergent
DE19819098A1 (en) * 1998-04-29 1999-11-11 Brita Gmbh Water purification device with means for indicating the exhaustion of the detergent
IT1306653B1 (en) * 1999-05-03 2001-10-02 Laica Srl REPLACEABLE CARTRIDGE FILTER CONTAINER.
US6391191B2 (en) 1999-10-14 2002-05-21 Fantom Technologies Inc. Domestic water treatment appliance
US6527950B2 (en) 1999-10-14 2003-03-04 Chiaphua Industries Limited Construction of a water treatment appliance
US6491815B2 (en) 1999-10-14 2002-12-10 Chiaphua Industrires Limited Construction of a water treatment reservoir for a domestic water treatment appliance
DE10015764A1 (en) * 2000-03-30 2001-10-11 Brita Gmbh Device for measuring the volume of an electrically conductive liquid
US6517731B2 (en) 2000-06-16 2003-02-11 Fantom Technologies Inc. Ozonation process
US6491811B2 (en) 2000-11-22 2002-12-10 Fantom Technologies Inc. Sensor for a water treatment apparatus
US6491879B2 (en) 2000-11-22 2002-12-10 Fantom Technologies Inc. Ozone generator
US6475352B2 (en) 2000-11-22 2002-11-05 Fantom Technologies Inc. Method and apparatus for monitoring an ozone generator in a household water purifier
US20050279696A1 (en) 2001-08-23 2005-12-22 Bahm Jeannine R Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
US7615152B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products, Inc. Water filter device
US7614508B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products Inc. Water filter materials, water filters and kits containing silver coated particles and processes for using the same
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
KR100777951B1 (en) 2001-08-23 2007-11-28 더 프록터 앤드 갬블 캄파니 Water filter materials, corresponding water filters and processes for using the same
CN106115961A (en) * 2016-08-03 2016-11-16 江吉安 A kind of analysis method in filter element of water purifier life-span

Also Published As

Publication number Publication date
GB2257429A (en) 1993-01-13
GB9214433D0 (en) 1992-08-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20051113