GB8623909D0 - Air filters - Google Patents

Air filters

Info

Publication number
GB8623909D0
GB8623909D0 GB868623909A GB8623909A GB8623909D0 GB 8623909 D0 GB8623909 D0 GB 8623909D0 GB 868623909 A GB868623909 A GB 868623909A GB 8623909 A GB8623909 A GB 8623909A GB 8623909 D0 GB8623909 D0 GB 8623909D0
Authority
GB
United Kingdom
Prior art keywords
air filters
filters
air
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.)
Pending
Application number
GB868623909A
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.)
British Railways Board
Original Assignee
British Railways Board
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 British Railways Board filed Critical British Railways Board
Priority to GB868623909A priority Critical patent/GB8623909D0/en
Publication of GB8623909D0 publication Critical patent/GB8623909D0/en
Priority to GB08720686A priority patent/GB2195917A/en
Pending legal-status Critical Current

Links

GB868623909A 1986-10-06 1986-10-06 Air filters Pending GB8623909D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB868623909A GB8623909D0 (en) 1986-10-06 1986-10-06 Air filters
GB08720686A GB2195917A (en) 1986-10-06 1987-09-03 Filter element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868623909A GB8623909D0 (en) 1986-10-06 1986-10-06 Air filters

Publications (1)

Publication Number Publication Date
GB8623909D0 true GB8623909D0 (en) 1986-11-12

Family

ID=10605306

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868623909A Pending GB8623909D0 (en) 1986-10-06 1986-10-06 Air filters
GB08720686A Withdrawn GB2195917A (en) 1986-10-06 1987-09-03 Filter element

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08720686A Withdrawn GB2195917A (en) 1986-10-06 1987-09-03 Filter element

Country Status (1)

Country Link
GB (2) GB8623909D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6387144B1 (en) 2000-03-16 2002-05-14 Nelson Industries, Inc. Enhanced performance fibrous filter media and extended life fluid filter assembly
EP2332630A1 (en) * 2009-11-18 2011-06-15 Covidien AG Filter for a breathing circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB857231A (en) * 1958-06-20 1960-12-29 Cambridge Filter Mfg Corp Filters for gases and vapours
GB851247A (en) * 1958-07-11 1960-10-12 Fibreglass Ltd Replaceable filter units
FR1529632A (en) * 1967-02-08 1968-06-21 Saint Gobain Techn Nouvelles Improvements to filter cells and their manufacturing process
GB1236093A (en) * 1968-06-06 1971-06-16 Gen Motors Ltd Filters
DE2138412C3 (en) * 1971-07-28 1982-12-30 Delbag-Luftfilter Gmbh, 1000 Berlin HEPA filter pack for gas cleaning made from zigzag folded filter paper
FR2568787B1 (en) * 1984-08-09 1986-12-19 Labinal IMPROVEMENTS ON CHEVRONATED SHEET STRUCTURES FOR USE AS FILTRATION LININGS

Also Published As

Publication number Publication date
GB2195917A (en) 1988-04-20
GB8720686D0 (en) 1987-10-07

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