GB2293333B - Self cleaning filter or screening system for a pump - Google Patents

Self cleaning filter or screening system for a pump

Info

Publication number: GB2293333B
Authority: GB; United Kingdom
Prior art keywords: pump; screening system; cleaning filter; self cleaning; self
Prior art date: 1994-09-09
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 - Lifetime

Application number

GB9518497A

Other versions

GB2293333C (en

GB2293333A (en

GB9518497D0 (en

Inventor

James Peter Hosford

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.)

Individual

Original Assignee

Individual

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.)

1994-09-09

Filing date

1995-09-11

Publication date

1998-02-25

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26305600&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2293333(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1994-09-09 Priority claimed from GB9418218A external-priority patent/GB9418218D0/en

1995-09-11 Application filed by Individual filed Critical Individual

1995-09-11 Priority to GB9518497A priority Critical patent/GB2293333C/en

1995-11-08 Publication of GB9518497D0 publication Critical patent/GB9518497D0/en

1996-03-27 Publication of GB2293333A publication Critical patent/GB2293333A/en

1998-02-25 Application granted granted Critical

1998-02-25 Publication of GB2293333B publication Critical patent/GB2293333B/en

2007-12-07 Publication of GB2293333C publication Critical patent/GB2293333C/en

2015-09-11 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/682—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a rotary movement with respect to the filtering element
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/58—Power supply means for regenerating the filter
- B01D2201/583—Power supply means for regenerating the filter using the kinetic energy of the fluid circulating in the filtering device

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Filtration Of Liquid (AREA)

GB9518497A 1994-09-09 1995-09-11 Self cleaning filter or screening system for a pump Expired - Lifetime GB2293333C (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9518497A GB2293333C (en)	1994-09-09	1995-09-11	Self cleaning filter or screening system for a pump

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB9418218A GB9418218D0 (en)	1994-09-09	1994-09-09	Method and apparatus for pumping and filtering
GB9518497A GB2293333C (en)	1994-09-09	1995-09-11	Self cleaning filter or screening system for a pump

Publications (4)

Publication Number	Publication Date
GB9518497D0 GB9518497D0 (en)	1995-11-08
GB2293333A GB2293333A (en)	1996-03-27
GB2293333B true GB2293333B (en)	1998-02-25
GB2293333C GB2293333C (en)	2007-12-07

Family

ID=26305600

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9518497A Expired - Lifetime GB2293333C (en)	1994-09-09	1995-09-11	Self cleaning filter or screening system for a pump

Country Status (1)

Country	Link
GB (1)	GB2293333C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9907880D0 (en)	1999-04-08	1999-06-02	Hosford James P	Dual pump
EP1363717A1 (en) *	2001-01-18	2003-11-26	Nicholas Jackson	Filter
ES2269915T3 (en) *	2003-12-10	2007-04-01	Christian Reining	FILTER DEVICE WITH A FILTER SLEEVE AND A CLEANING DEVICE FOR THE FILTER SLEEVE.
RU2008129006A (en) *	2007-07-09	2010-01-20	Одис Ирригэйшн Эквипмент Лтд (Il)	METHOD AND DEVICE FOR FILTER REVERSE RINSING
GB201504461D0 (en)	2015-03-17	2015-04-29	Perkins Keith And Back Christopher C	Amperometric analyser assembly
WO2022229392A1 (en)	2021-04-30	2022-11-03	Inheriting earth Limited	A separator with bypass protection
NL2035653B1 (en) *	2023-08-22	2025-03-06	Sparrows Holding B V	Filter unit and aquathermal system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4042504A (en) *	1976-05-23	1977-08-16	Mordeki Drori	Self cleanable filters
GB1485989A (en) *	1975-05-23	1977-09-14	Plenty Group Ltd	Filter with backflushing device
US4085051A (en) *	1976-02-26	1978-04-18	Igor Viktorovich Kaminsky	Self-cleaning filter for cleaning liquids from suspended matter
US4230576A (en) *	1977-05-09	1980-10-28	Chemap Ag	Method of cleaning filter elements thereof
GB2157964A (en) *	1984-04-26	1985-11-06	Swinney Eng	Backwash filter
US5074999A (en) *	1987-07-26	1991-12-24	Mordeki Drori	Filter system having multiple filter elements and backflushing assemblies
EP0623372A1 (en) *	1993-04-28	1994-11-09	Filtration Limited	Filter element and cleaning system

1995
- 1995-09-11 GB GB9518497A patent/GB2293333C/en not_active Expired - Lifetime

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1485989A (en) *	1975-05-23	1977-09-14	Plenty Group Ltd	Filter with backflushing device
US4085051A (en) *	1976-02-26	1978-04-18	Igor Viktorovich Kaminsky	Self-cleaning filter for cleaning liquids from suspended matter
US4042504A (en) *	1976-05-23	1977-08-16	Mordeki Drori	Self cleanable filters
US4230576A (en) *	1977-05-09	1980-10-28	Chemap Ag	Method of cleaning filter elements thereof
US4404106A (en) *	1977-05-09	1983-09-13	Chemap Ag	Filter apparatus and a method of cleaning filter elements thereof
GB2157964A (en) *	1984-04-26	1985-11-06	Swinney Eng	Backwash filter
US5074999A (en) *	1987-07-26	1991-12-24	Mordeki Drori	Filter system having multiple filter elements and backflushing assemblies
EP0623372A1 (en) *	1993-04-28	1994-11-09	Filtration Limited	Filter element and cleaning system

Also Published As

Publication number	Publication date
GB2293333C (en)	2007-12-07
GB2293333A (en)	1996-03-27
GB9518497D0 (en)	1995-11-08

Publication	Publication Date	Title
GB2293118B (en)	1998-05-13	Filtration unit
GB2316820B (en)	2000-11-15	A filter unit
GB9505656D0 (en)	1995-05-10	Filter elements
GB2293119B (en)	1998-06-24	Filtration unit
IL117835A0 (en)	1996-08-04	Self cleansing filter
GB9411580D0 (en)	1994-08-03	Filter cleaning
GB2298591B (en)	1998-09-30	Filter elements
GB2293333C (en)	2007-12-07	Self cleaning filter or screening system for a pump
HUP9900104A3 (en)	1999-11-29	A filter arrangement
GB2290726B (en)	1997-10-08	A fluid filtering unit
GB2290086B (en)	1997-12-17	Filter cleaning
GB9600592D0 (en)	1996-03-13	Self cleaning liquid filter
GB9615903D0 (en)	1996-09-11	A filter system
GB2308131B (en)	1999-03-31	In situ filter cleaning
GB9409689D0 (en)	1994-07-06	A filter system
GB9314170D0 (en)	1993-08-18	Self cleaning strainer
GB9408616D0 (en)	1994-06-22	A filtration system
GB9619641D0 (en)	1996-11-06	Fluid filter cleaning unit
GB2321566B (en)	1998-10-28	Prediction filter
GB9415560D0 (en)	1994-09-21	Filter unit
GB9421682D0 (en)	1994-12-14	Filter unit
GB9615466D0 (en)	1996-09-04	A filter system
PL56634Y1 (en)	1998-12-31	Strainer
GB9405289D0 (en)	1994-04-27	A fluid filtering unit
GB9414921D0 (en)	1994-09-14	Dirty water filter

Legal Events

Date	Code	Title	Description
2002-04-10	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2005-08-31	772C	Application made to the comptroller for revocation (sect. 72/1977)
2007-08-01	775O	Application for amendment (sect. 75/1977) open to opposition
2007-12-19	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2008-01-02	772N	Proceeding under section 72 patents act 1977	Free format text: APPLICATION MADE TO THE COMPTROLLER FOR REVOCATION APPLICATION DETERMINED
2015-09-30	PE20	Patent expired after termination of 20 years	Expiry date: 20150910