GB9027677D0 - Improvements in or relating to powered helmet respirators - Google Patents

Improvements in or relating to powered helmet respirators

Info

Publication number
GB9027677D0
GB9027677D0 GB909027677A GB9027677A GB9027677D0 GB 9027677 D0 GB9027677 D0 GB 9027677D0 GB 909027677 A GB909027677 A GB 909027677A GB 9027677 A GB9027677 A GB 9027677A GB 9027677 D0 GB9027677 D0 GB 9027677D0
Authority
GB
United Kingdom
Prior art keywords
respirators
relating
helmet
powered
powered helmet
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
GB909027677A
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB909027677A priority Critical patent/GB9027677D0/en
Publication of GB9027677D0 publication Critical patent/GB9027677D0/en
Priority to ES91311796T priority patent/ES2101729T3/en
Priority to EP91311796A priority patent/EP0492984B1/en
Priority to AU89935/91A priority patent/AU657503B2/en
Priority to DE69126112T priority patent/DE69126112T2/en
Priority to GB9127008A priority patent/GB2251173B/en
Priority to CA002072063A priority patent/CA2072063A1/en
Priority to SE9201996A priority patent/SE501653C2/en
Priority to US07/959,103 priority patent/US5283914A/en
Pending legal-status Critical Current

Links

GB909027677A 1990-12-20 1990-12-20 Improvements in or relating to powered helmet respirators Pending GB9027677D0 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB909027677A GB9027677D0 (en) 1990-12-20 1990-12-20 Improvements in or relating to powered helmet respirators
ES91311796T ES2101729T3 (en) 1990-12-20 1991-12-19 IMPROVEMENTS IN OR RELATED TO PROTECTIVE HELMETS.
EP91311796A EP0492984B1 (en) 1990-12-20 1991-12-19 Improvements in or relating to protective helmets
AU89935/91A AU657503B2 (en) 1990-12-20 1991-12-19 Improvements in or relating to protective helmets
DE69126112T DE69126112T2 (en) 1990-12-20 1991-12-19 Hard hat
GB9127008A GB2251173B (en) 1990-12-20 1991-12-19 Improvements in or relating to protective helmets
CA002072063A CA2072063A1 (en) 1990-12-20 1992-06-23 Improvements in or relating to protective helmets
SE9201996A SE501653C2 (en) 1990-12-20 1992-06-29 Protective helmet with visor - has visor retractable within helmet, fan to give filtered air flow through duct and ear defenders mounted within shell
US07/959,103 US5283914A (en) 1990-12-20 1992-10-09 Protective helmets

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909027677A GB9027677D0 (en) 1990-12-20 1990-12-20 Improvements in or relating to powered helmet respirators
CA002072063A CA2072063A1 (en) 1990-12-20 1992-06-23 Improvements in or relating to protective helmets

Publications (1)

Publication Number Publication Date
GB9027677D0 true GB9027677D0 (en) 1991-02-13

Family

ID=25675259

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909027677A Pending GB9027677D0 (en) 1990-12-20 1990-12-20 Improvements in or relating to powered helmet respirators
GB9127008A Expired - Fee Related GB2251173B (en) 1990-12-20 1991-12-19 Improvements in or relating to protective helmets

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9127008A Expired - Fee Related GB2251173B (en) 1990-12-20 1991-12-19 Improvements in or relating to protective helmets

Country Status (7)

Country Link
EP (1) EP0492984B1 (en)
AU (1) AU657503B2 (en)
CA (1) CA2072063A1 (en)
DE (1) DE69126112T2 (en)
ES (1) ES2101729T3 (en)
GB (2) GB9027677D0 (en)
SE (1) SE501653C2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69305173T2 (en) * 1992-07-31 1997-05-22 Mine Safety Appliances Co BREATHING DEVICE FOR A HELMET
GB9516265D0 (en) * 1995-08-08 1995-10-11 Rovira John S Headgear
GB9617516D0 (en) * 1996-08-21 1996-10-02 Univ Brunel Air filtration system
FI981394A (en) * 1998-06-16 1999-12-17 Kemira Safety Oy Suojainkypärä
CN100358448C (en) * 2003-07-11 2008-01-02 中国人民解放军总装备部防化军事代表局 Positive pressuring type head protecting cover
US7937775B2 (en) 2005-08-09 2011-05-10 Microtek Medical, Inc. Surgical protective head gear assembly including high volume air delivery system
WO2017065620A1 (en) * 2015-10-15 2017-04-20 Clear Air Technology Limited A respirator
FR3069759A1 (en) * 2017-08-03 2019-02-08 Commissariat A L'energie Atomique Et Aux Energies Alternatives AIR CLEANING HELMET FOR DYNAMIC USE
EP3718605A1 (en) * 2019-04-04 2020-10-07 Hilti Aktiengesellschaft Device for generating an air curtain in front of a face of a user
WO2020251372A1 (en) * 2019-06-14 2020-12-17 Peakvent As A head-mounted wearable air-purifying device comprising a motorized rotating filter
EP4007643A1 (en) 2019-09-12 2022-06-08 O2-O2, Inc. Respirator devices with source control mechanisms and associated systems and methods
WO2022115961A1 (en) * 2020-12-03 2022-06-09 Robert Ranson Cranium-covering extension device for a face shield

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1005188A (en) * 1961-03-14 1965-09-22 Ml Aviation Co Ltd Improvements relating to flying helmets
GB1005187A (en) * 1961-03-14 1965-09-22 Ml Aviation Co Ltd Improvements relating to flying helmets
US3178723A (en) * 1963-05-24 1965-04-20 Leonard P Frieder Sound attenuating device and supporting means in a helmet
US3223086A (en) * 1963-08-05 1965-12-14 Arthur R Adams Air-conditioned helmet
US3310811A (en) * 1964-04-07 1967-03-28 Jr Vincent D Iacono Helmet enclosure
US3736927A (en) * 1971-05-17 1973-06-05 F Misaqi Self-contained air purifier and conditioner unit
GB1495020A (en) * 1974-01-16 1977-12-14 Nat Res Dev Respirators
US3906547A (en) * 1974-09-26 1975-09-23 Gentex Corp Headset retainer for helmet
CA1101755A (en) * 1978-02-10 1981-05-26 Canadian Patents And Development Limited Safety helmet for miners
GB2061696B (en) * 1979-10-30 1984-05-16 Martindale Protection Ltd Protective respiratory helmet
GB2063074B (en) * 1979-10-30 1984-07-25 Martindale Protection Ltd Protective respiratory helmet
US4280491A (en) * 1980-03-07 1981-07-28 Minnesota Mining And Manufacturing Company Powered air respirator
DE3220691C2 (en) * 1982-06-02 1985-11-21 HABRA elektronik Gesellschaft mbH, 8000 München Safety helmet, in particular motorcycle safety helmet
FR2629986B1 (en) * 1988-04-19 1991-01-11 Electricite De France VERSATILE PROTECTIVE HELMET

Also Published As

Publication number Publication date
SE9201996D0 (en) 1992-06-29
EP0492984B1 (en) 1997-05-14
AU8993591A (en) 1992-06-25
SE9201996L (en) 1993-12-30
AU657503B2 (en) 1995-03-16
SE501653C2 (en) 1995-04-10
CA2072063A1 (en) 1993-12-24
GB9127008D0 (en) 1992-02-19
DE69126112T2 (en) 1997-10-02
GB2251173B (en) 1995-06-14
GB2251173A (en) 1992-07-01
DE69126112D1 (en) 1997-06-19
ES2101729T3 (en) 1997-07-16
EP0492984A1 (en) 1992-07-01

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