GB9109421D0 - Improvements in or relating to water treatment devices - Google Patents

Improvements in or relating to water treatment devices

Info

Publication number
GB9109421D0
GB9109421D0 GB919109421A GB9109421A GB9109421D0 GB 9109421 D0 GB9109421 D0 GB 9109421D0 GB 919109421 A GB919109421 A GB 919109421A GB 9109421 A GB9109421 A GB 9109421A GB 9109421 D0 GB9109421 D0 GB 9109421D0
Authority
GB
United Kingdom
Prior art keywords
relating
water treatment
treatment devices
devices
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.)
Granted
Application number
GB919109421A
Other versions
GB2255771B (en
GB2255771A (en
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.)
WAYMASTER Ltd
Original Assignee
WAYMASTER 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
Application filed by WAYMASTER Ltd filed Critical WAYMASTER Ltd
Priority to GB9109421A priority Critical patent/GB2255771B/en
Publication of GB9109421D0 publication Critical patent/GB9109421D0/en
Priority to PCT/GB1992/000802 priority patent/WO1992019552A1/en
Priority to AU16643/92A priority patent/AU1664392A/en
Publication of GB2255771A publication Critical patent/GB2255771A/en
Application granted granted Critical
Publication of GB2255771B publication Critical patent/GB2255771B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/003—Processes 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
    • 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

Landscapes

  • 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)
GB9109421A 1991-05-01 1991-05-01 Improvements in or relating to water treatment devices Expired - Fee Related GB2255771B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9109421A GB2255771B (en) 1991-05-01 1991-05-01 Improvements in or relating to water treatment devices
PCT/GB1992/000802 WO1992019552A1 (en) 1991-05-01 1992-05-01 Improvements in or relating to water treatment devices
AU16643/92A AU1664392A (en) 1991-05-01 1992-05-01 Improvements in or relating to water treatment devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9109421A GB2255771B (en) 1991-05-01 1991-05-01 Improvements in or relating to water treatment devices

Publications (3)

Publication Number Publication Date
GB9109421D0 true GB9109421D0 (en) 1991-06-26
GB2255771A GB2255771A (en) 1992-11-18
GB2255771B GB2255771B (en) 1995-02-08

Family

ID=10694289

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9109421A Expired - Fee Related GB2255771B (en) 1991-05-01 1991-05-01 Improvements in or relating to water treatment devices

Country Status (3)

Country Link
AU (1) AU1664392A (en)
GB (1) GB2255771B (en)
WO (1) WO1992019552A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0655938B1 (en) * 1992-08-14 1996-12-27 William Levene Limited Filter jug
WO1996022045A1 (en) * 1995-01-19 1996-07-25 Kenwood Marks Limited A kettle
DE19631687A1 (en) * 1996-08-06 1998-02-12 Brita Wasserfilter Filter device with fabric insert
DE19632538A1 (en) * 1996-08-13 1998-03-12 Brita Wasserfilter Filter cartridge with sieve in an outlet opening
SE511400C2 (en) * 1997-10-10 1999-09-27 Lundgren Lars Goeran Containers for collecting liquid and probe with such containers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1091222A (en) * 1966-01-27 1967-11-15 British Filters Ltd A filter unit
GB1448844A (en) * 1972-11-20 1976-09-08 Dynak Corp Water purification apparatus
US3883428A (en) * 1973-09-14 1975-05-13 Robert W Waring Filter
EP0032228A3 (en) * 1980-01-10 1982-03-31 Filtrox Maschinenbau A.-G. Use of porous filter tubes in precoat candle filters
EP0206285B2 (en) * 1985-06-27 1997-02-26 Erich Alhäuser Filter cartridge for upgrading drinking water quality
DE3535677A1 (en) * 1985-10-05 1987-04-16 Erich Alhaeuser CARTRIDGE FOR A PRESSURELY WORKING DEVICE TO IMPROVE THE QUALITY OF DRINKING WATER
GB2197647B (en) * 1986-08-12 1990-03-07 Precision Engineering Co Improvements in or relating to water treatment devices
US5035798A (en) * 1990-03-16 1991-07-30 Lawrence Stenger Filtration vessel and end cap lock by a flexible rod

Also Published As

Publication number Publication date
AU1664392A (en) 1992-12-21
GB2255771B (en) 1995-02-08
WO1992019552A1 (en) 1992-11-12
GB2255771A (en) 1992-11-18

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050501