Patents
Sitemap › A62 - Life-saving; Fire-fighting › A62B - Devices, apparatus or methods for life-saving › A62B 23 - Filters for breathing-protection purposes
Patents for A62B 23 - Filters for breathing-protection purposes (3,172)
01/2004
01/07/2004CN2597016Y Rhino filtering net
01/07/2004CN2597015Y Insertion type respiration filtering plug
01/02/2004EP1372789A1 Fire smoke cleaner
12/2003
12/31/2003WO2004000421A1 Personal emergency breathing system
12/31/2003WO2003073011A3 Air purifying filter systems for building air supply and respirators useful against nbc attacks
12/31/2003CN1132640C 呼吸器的柔性过滤器 Flexible filter respirator
12/25/2003US20030234016 Personal emergency breathing system
12/24/2003WO2003105982A2 Chemical/biological decontamination filter
12/24/2003CN2593822Y Invisual sanitary nose mask
12/18/2003WO2003103775A1 The nose mask for protection against dust
12/17/2003CN2592202Y Nasal cavity filter
12/17/2003CN1462198A Respiration that includes integral filter element, exhalation valve and impactor element
12/10/2003EP0781156B1 Method of air filtration for fire fighter emergency smoke inhalation protection
12/09/2003US6659102 Oxygen mask filter system
12/04/2003WO2003099385A1 Respirator hood assembly
12/04/2003US20030221690 Health mask
12/03/2003EP1366784A1 Health mask
12/03/2003CN2589004Y Improved eye and gauze mask arrangement for life-saving from dense smoke in fire hazard
11/2003
11/27/2003WO2003097168A1 Nose mask
11/27/2003US20030217752 Connection component for a respirator product
11/27/2003US20030217751 Washable dust mask
11/19/2003EP1123139B1 Flexible respirator filter
11/19/2003CN2586488Y Water-filtering smoke prevent breathing apparatus
11/13/2003WO2003092765A2 Upper airway device and method
11/13/2003US20030209145 Removal particles from air entering nose; reducing disease; multilayer polypropylene fibers
11/12/2003EP1359991A2 Combination filter/cartridge assembly
11/12/2003CN1454683A Anion breathing mask
11/12/2003CN1454675A Health-care medical apparatus for respiratory system
11/06/2003WO2003090873A1 Gas mask filter canister
11/06/2003WO2003090872A1 Respirator filter canisters and method of filling same
11/06/2003CA2737266A1 Respirator filter canisters and method of filling same
11/05/2003CN2584219Y Multifunction hidden mask in human nostril
10/2003
10/29/2003CN1452503A Filter mask
10/23/2003US20030196549 Chemical/biological decontamination filter
10/22/2003EP1354524A2 Filtering face mask having one or two straps
10/22/2003CN2580993Y Portable air dust purifier
10/16/2003US20030192546 Flat-folded personal respiratory protection devices and processes for preparing same
10/15/2003CN2579451Y Convection protective cover
10/08/2003CN2577873Y Portable SARS spray collecting sterilizers
10/02/2003WO2003079833A2 Safety filtration apparel
10/02/2003US20030183233 Respirator filter
10/02/2003CA2479552A1 Safety filtration apparel
10/01/2003CN2576256Y Health-care and warm-keeping respirator
09/2003
09/30/2003US6627563 Two fluid permeable electret filter layers that, when combined, provide nondecreasing removal efficiency used in, for example, non-powered respirators and other devices.
09/25/2003DE10213654C1 Removable component fitting for breathing protection mask has 2 cooperating coupling parts providing bayonet coupling between component and mask
09/24/2003EP1207953B1 Oily-mist resistant filter that has nondecreasing efficiency
09/24/2003CN1444497A Pressure regulator for respirator system
09/24/2003CN1121885C Face mask with backup smoke inhalation protection and method of use
09/17/2003CN2573000Y Portable air filter
09/16/2003US6619286 Pressure regulator for a respirator system
09/12/2003WO2003074130A1 Protective breathing hood
09/11/2003US20030168060 Respirators
09/11/2003US20030167927 Disposable filter with water trap
09/10/2003EP1342485A1 Disposable filter with water trap
09/04/2003WO2003073011A2 Air purifying filter systems for building air supply and respirators useful against nbc attacks
09/04/2003CA2477272A1 Air purifying filter systems for building air supply and respirators useful against nbc attacks
09/03/2003EP1340522A2 Nasal filtration device
08/2003
08/28/2003WO2002038249A3 Combination filter/cartridge assembly
08/28/2003US20030161790 Electrostatically charged nasal application product with increased strength
08/26/2003US6609516 Smoke escape mask
08/21/2003WO2003068319A1 Smoke escape mask
08/21/2003US20030154984 Disposable breathing mask
08/20/2003CN2566884Y Rhinobyon type filter
08/20/2003CN2566883Y Respiration filter
08/14/2003CA2381365A1 Filtration device
08/12/2003US6604524 Manner of attaching component elements to filtration material such as may be utilized in respiratory masks
08/07/2003US20030145858 Dental mask
08/06/2003CN1433822A Built-in dust-proof health care support for nasal cavity
07/2003
07/30/2003EP1204453B1 Stackable filter device
07/24/2003US20030136409 Compact multipurpose dustproof mask
07/24/2003US20030136408 Wearable electro-ionic protector against inhaled pathogens
07/23/2003CN2561443Y Nasal air filter
07/16/2003CN2560230Y Telescopic dust-proof helmet for miner
07/10/2003US20030127102 Moldable scented face mask
07/09/2003CN1113634C 鼻扩张器 Nasal dilator
07/02/2003EP1322384A1 Respirator that includes an integral filter element, an exhalation valve, and impactor element
07/02/2003CN2558403Y Masked nose filter
07/01/2003US6584976 Face mask that has a filtered exhalation valve
07/01/2003US6584975 Respirator mask for filtering breathed air
06/2003
06/26/2003WO2003051460A1 Antiviral and antibacterial respirator mask
06/25/2003CN1425480A Smoke eliminating device
06/19/2003US20030111075 Antiviral and antibacterial respirator mask
06/18/2003CN1424927A Retention assembly with compression element and method of use
06/12/2003WO2003047699A1 Nose filter
06/12/2003US20030106556 Respiratory nasal filter
06/12/2003US20030106555 Nasal filter and sampler
06/10/2003CA2067195C Respiratory protection device
06/05/2003WO2003045503A1 Filtering face mask that uses an exhalation valve that has a multilayered flexible flap
06/05/2003CA2466481A1 Filtering face mask that uses an exhalation valve that has a multilayered flexible flap
06/04/2003EP1117470B1 Filtering material for fluidic media and a method and device for producing such a filtering material
06/04/2003CN2553837Y Rhinobyon type air filter
06/03/2003US6571797 Single strap respirator mask with head harness
05/2003
05/28/2003CN2552554Y Air filter for nose
05/27/2003US6568392 Flat-folded personal respiratory protection devices and processes for preparing same
05/22/2003WO2003041801A1 Filtering system for the protection against biological agents
05/21/2003EP1250172A4 Filter mask
05/21/2003CN2551261Y Nose shield
05/20/2003CA2164256C Mask maintaining warmth in nasal area
05/15/2003US20030092560 Method for producing spherical activated carbon
05/15/2003US20030089089 Respirator filter element
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