GB9027677D0 - Improvements in or relating to powered helmet respirators - Google Patents
Improvements in or relating to powered helmet respiratorsInfo
- 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
Links
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 |
EP91311796A EP0492984B1 (en) | 1990-12-20 | 1991-12-19 | Improvements in or relating to protective helmets |
GB9127008A GB2251173B (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 |
ES91311796T ES2101729T3 (en) | 1990-12-20 | 1991-12-19 | IMPROVEMENTS IN OR RELATED TO PROTECTIVE HELMETS. |
DE69126112T DE69126112T2 (en) | 1990-12-20 | 1991-12-19 | Hard hat |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994003235A1 (en) * | 1992-07-31 | 1994-02-17 | Mine Safety Appliances Company Limited | Helmet respirator apparatus |
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 |
AU2021393426A1 (en) * | 2020-12-03 | 2023-07-13 | Win-Shield Medical Devices Inc. | Cranium-covering extension device for a face shield |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1005187A (en) * | 1961-03-14 | 1965-09-22 | Ml Aviation Co Ltd | Improvements relating to flying helmets |
GB1005188A (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 |
GB2063074B (en) * | 1979-10-30 | 1984-07-25 | Martindale Protection Ltd | Protective respiratory helmet |
GB2061696B (en) * | 1979-10-30 | 1984-05-16 | 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 |
-
1990
- 1990-12-20 GB GB909027677A patent/GB9027677D0/en active Pending
-
1991
- 1991-12-19 EP EP91311796A patent/EP0492984B1/en not_active Expired - Lifetime
- 1991-12-19 GB GB9127008A patent/GB2251173B/en not_active Expired - Fee Related
- 1991-12-19 AU AU89935/91A patent/AU657503B2/en not_active Ceased
- 1991-12-19 DE DE69126112T patent/DE69126112T2/en not_active Expired - Fee Related
- 1991-12-19 ES ES91311796T patent/ES2101729T3/en not_active Expired - Lifetime
-
1992
- 1992-06-23 CA CA002072063A patent/CA2072063A1/en not_active Abandoned
- 1992-06-29 SE SE9201996A patent/SE501653C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2101729T3 (en) | 1997-07-16 |
GB2251173B (en) | 1995-06-14 |
AU657503B2 (en) | 1995-03-16 |
AU8993591A (en) | 1992-06-25 |
CA2072063A1 (en) | 1993-12-24 |
EP0492984A1 (en) | 1992-07-01 |
EP0492984B1 (en) | 1997-05-14 |
DE69126112D1 (en) | 1997-06-19 |
SE9201996D0 (en) | 1992-06-29 |
GB2251173A (en) | 1992-07-01 |
SE501653C2 (en) | 1995-04-10 |
SE9201996L (en) | 1993-12-30 |
DE69126112T2 (en) | 1997-10-02 |
GB9127008D0 (en) | 1992-02-19 |
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