GB0408732D0 - Improved receptacle for an intermittently operated sand filter - Google Patents

Improved receptacle for an intermittently operated sand filter

Info

Publication number
GB0408732D0
GB0408732D0 GB0408732A GB0408732A GB0408732D0 GB 0408732 D0 GB0408732 D0 GB 0408732D0 GB 0408732 A GB0408732 A GB 0408732A GB 0408732 A GB0408732 A GB 0408732A GB 0408732 D0 GB0408732 D0 GB 0408732D0
Authority
GB
United Kingdom
Prior art keywords
sand filter
intermittently operated
improved receptacle
operated sand
receptacle
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.)
Withdrawn
Application number
GB0408732A
Other versions
GB2413292A (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.)
CORNELIS PIETER A
FEWSTER ERIC A
Original Assignee
CORNELIS PIETER A
FEWSTER ERIC A
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 CORNELIS PIETER A, FEWSTER ERIC A filed Critical CORNELIS PIETER A
Priority to GB0408732A priority Critical patent/GB2413292A/en
Publication of GB0408732D0 publication Critical patent/GB0408732D0/en
Priority to GB0507973A priority patent/GB2413774A/en
Publication of GB2413292A publication Critical patent/GB2413292A/en
Withdrawn legal-status Critical Current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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
GB0408732A 2004-04-20 2004-04-20 A receptacle used as a filter Withdrawn GB2413292A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0408732A GB2413292A (en) 2004-04-20 2004-04-20 A receptacle used as a filter
GB0507973A GB2413774A (en) 2004-04-20 2005-04-20 A water filter system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0408732A GB2413292A (en) 2004-04-20 2004-04-20 A receptacle used as a filter

Publications (2)

Publication Number Publication Date
GB0408732D0 true GB0408732D0 (en) 2004-05-26
GB2413292A GB2413292A (en) 2005-10-26

Family

ID=32344031

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0408732A Withdrawn GB2413292A (en) 2004-04-20 2004-04-20 A receptacle used as a filter
GB0507973A Withdrawn GB2413774A (en) 2004-04-20 2005-04-20 A water filter system

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0507973A Withdrawn GB2413774A (en) 2004-04-20 2005-04-20 A water filter system

Country Status (1)

Country Link
GB (2) GB2413292A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008148942A1 (en) * 2007-06-07 2008-12-11 Ecolator Finland Oy Process tank of small sewage treatment plant
CN102438950B (en) 2009-01-13 2016-10-05 捷通国际有限公司 Gravity feed water treatment system
WO2011159694A1 (en) * 2010-06-14 2011-12-22 Dalen Products, Inc. Water filter system
US20140054213A1 (en) * 2012-08-24 2014-02-27 Rui Yuan Chen Stacking portable water filter
US9359225B1 (en) 2015-03-26 2016-06-07 E. Neal Caldwell Water filter
EP4244190A1 (en) * 2020-11-12 2023-09-20 Rainwell Ab Slow sand water filter suitable for off-grid use

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512648A (en) * 1967-06-19 1970-05-19 Bio Rad Laboratories Filtration column
US5225078A (en) * 1992-03-04 1993-07-06 Ametek, Inc. Plymouth Products Division Pour-through pitcher filter
US6123858A (en) * 1993-10-27 2000-09-26 University Technologies International Inc. Slow sand filter for use with intermittently flowing water supply and method of use thereof
DE19632538A1 (en) * 1996-08-13 1998-03-12 Brita Wasserfilter Filter cartridge with sieve in an outlet opening
AU3647199A (en) * 1998-04-15 1999-11-01 Porous Media Corporation Stacked conical filtration or separation apparatus

Also Published As

Publication number Publication date
GB2413774A (en) 2005-11-09
GB0507973D0 (en) 2005-05-25
GB2413292A (en) 2005-10-26

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)