Patents
Patents for A62B 23 - Filters for breathing-protection purposes (3,172)
01/2005
01/26/2005EP1499396A1 Gas mask filter canister
01/20/2005WO2005004993A1 A nasal filter
01/19/2005EP1496996A1 Respirator filter canisters and method of filling same
01/18/2005US6844005 Electrostatically charged nasal application product with increased strength
01/13/2005WO2005002675A1 Anion emission and anti-dust nose mask
01/13/2005CA2531436A1 Anion emission and anti-dust nose mask
01/12/2005EP1494805A2 Chemical/biological decontamination filter
01/12/2005CN2669906Y Nasal obstruction breathing cleaner
01/12/2005CN1562414A Porous elastic nose plug for sanitation
01/11/2005US6840986 Air purifying filter systems for building air supply and respirators useful against NBC attacks
01/06/2005WO2005000412A1 Respiratory protection device
01/06/2005WO2005000410A1 Breathing device for filtering and conditioning inhaled air
12/2004
12/30/2004US20040261798 Nose filter
12/30/2004US20040261795 Respirator mask and valve
12/29/2004EP1490151A2 Safety filtration apparel
12/29/2004EP1144109B1 Broad spectrum filter system for filtering contaminants from air or other gases
12/29/2004CN2666486Y Multifunction nose filter
12/29/2004CN2666464Y Air filter for self-cleaning medical respiratory equipment
12/23/2004US20040255944 Disposable face mask
12/23/2004US20040255785 Air purifying filter systems for building air supply and respirators useful against nbc attacks
12/16/2004WO2004108249A1 Microbicidal air filter
12/15/2004EP1485656A2 Air purifying filter systems for building air supply and respirators useful against nbc attacks
12/09/2004US20040244798 Nasal respirator
12/08/2004EP1483025A1 Smoke escape mask
12/08/2004CN2661235Y Respirator with perfume bag
12/02/2004US20040237964 Flat-folded personal respiratory protection devices and processes for preparing same
12/02/2004US20040237962 Breathing device for filtering and conditioning inhaled air
11/2004
11/30/2004US6823868 Travel mask
11/25/2004WO2004101113A1 Filtration method and a filter device for removing impurities from the air of a limited space and an apparatus for removing carbon dioxide from the air of an air-raid shelter
11/25/2004WO2004101074A1 See-through mask
11/25/2004US20040231671 Travel mask
11/25/2004US20040231023 Sanitary mask
11/25/2004DE10320028A1 Breathing air isolating device, has metallic reservoir divided into four chambers separated from wire mesh by partition walls, and elbows fastened to reservoir to facilitate entry of air to be cleaned and discharge of cleaned air
11/25/2004CA2525421A1 Filtration method and a filter device for removing impurities from the air of a limited space and an apparatus for removing carbon dioxide from the air of an air-raid shelter
11/24/2004EP1479413A2 Face mask that has a filtered exhalation valve
11/24/2004EP1276694B1 Method for producing spherical activated carbon
11/17/2004EP1100591B1 Air filter device provided with gripping means in the form of a mouthpiece
11/17/2004CN2655926Y Disposable dust proof health care ferfuming rhinobyon
11/16/2004US6817362 Respirator
11/11/2004US20040221849 Respiratory mask with an air-impermeable shield
11/04/2004US20040216744 Disposable face mask
11/03/2004EP1100592B1 Face mask that has a filtered exhalation valve
11/03/2004CN2652434Y Optical catalytic elecronic mask with high adsorptive property
11/03/2004CN1541729A Nose mask
11/03/2004CN1541728A Sterilizing dust-proof filtering device for air intaking and exhausting
10/2004
10/28/2004WO2004091726A1 Flat-foldable face-mask and process of making same
10/28/2004US20040211426 Mouth nose and eye mask
10/28/2004US20040211425 Nasal mask
10/28/2004US20040211424 Low resistance to flow filter
10/28/2004DE4410582B4 Atemschutzfilter Filter respirator
10/27/2004CN2650849Y Air filter
10/27/2004CN2650793Y Disposable anti-contaminative mask sheet
10/27/2004CN2650792Y Recessive nose and mouth (hole) mask
10/21/2004WO2004089452A1 Respiratory particulate filter
10/19/2004US6805124 Face mask that has a filtered exhalation valve
10/19/2004US6805123 Compact multipurpose dustproof mask
10/14/2004DE10304216B3 Atemschutzfilter und Verfahren zu dessen Herstellung Respiratory protection filters and process for its preparation
10/13/2004EP1465705A1 Antiviral and antibacterial respirator mask
10/07/2004WO2004084998A1 Filtering device
10/07/2004US20040194784 Respiratory particulate filter
10/06/2004CN2645697Y Built-in type respiratory filter and its special mounting rack
10/06/2004CN2645696Y Filtering products for sanitary and protective purpose
10/05/2004US6799573 Light weight container which stores a quantity of water for filtering contaminants from inhaled air. a coupling assembly is used to connect the container to a flexible hose for delivery of the filtered air
09/2004
09/30/2004WO2004082766A1 Nose mask
09/29/2004EP0755277B1 Valved bronchoaspiration device for endotracheal tubes
09/29/2004CN2643929Y Disinfection isolator with flow guiding and ventilating function
09/22/2004CN2642348Y Invisible respiration purifier
09/22/2004CN2642347Y Nasal obstruction
09/22/2004CN2642346Y 空气过滤器 Air filter
09/09/2004US20040173216 Face mask comprising health-promoting resin
08/2004
08/31/2004US6783574 Electret filter media and filtering masks that contain electret filter media
08/31/2004US6783566 Combination filter/cartridge assembly
08/26/2004US20040163649 Disposable face mask with skin-care face-contacting layer
08/26/2004DE10305307A1 Filter for a filter cassette of a civilian gas mask comprises an adsorption layer with hot-melt-type adhesive threads charged with particulate absorbent and a three-dimensional net
08/24/2004US6779524 Moldable scented face mask
08/19/2004WO2004069110A1 Nasal insertable device for facilitating breathing through the nose
08/18/2004EP1446197A1 Filtering face mask that uses an exhalation valve that has a multilayered flexible flap
08/18/2004EP1250172B1 Filter mask
08/18/2004EP1185181B1 Face masks having an elastic and polyolefin thermoplastic band attached thereto by heat and pressure
08/17/2004CA2399959C Mask maintaining warmth in nasal area
08/12/2004WO2004067094A1 Respiration filter and method for producing the same
08/12/2004WO2004066764A2 Biohazard mask suitable for civilians
08/11/2004EP1444013A1 Filtering system for the protection against biological agents
08/11/2004CN2631544Y Nasal obstruction for preventing SARS
08/11/2004CN2631540Y Dustproof desodorating mask
08/10/2004US6772759 Health mask with channelized breath passageways
08/10/2004CA2102296C Protective respirator's air guidance system and protective respirator
08/04/2004CN2629753Y Nose clip
07/2004
07/29/2004US20040144255 Respiratory air filter
07/28/2004CN2628073Y Closed circulating automatic disinfecting respirator
07/22/2004WO2004060090A1 Dispensing assembly and method for producing single piece face mask
07/22/2004CA2508772A1 Dispensing assembly and method for producing single piece face mask
07/21/2004EP0956067B1 Face mask with back-up smoke inhalation protection and method of operation
07/15/2004WO2004058408A1 Air-purifier for purifying the air drawn out of a space containing polluted air and into a space that is sealed off in an air-tight manner
07/15/2004DE202004006174U1 Mund-, Nasen- und Augen-Maske Mouth, nose and eye mask
07/15/2004DE10021582B4 Verfahren und Vorrichtung zur Herstellung eines Atemschutzfilters Method and apparatus for producing a respirator filter
07/14/2004CN2624970Y multifunctional nose mask
07/13/2004US6761169 Bi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon
07/13/2004US6761162 Personal disposable emergency breathing system with radial flow
07/08/2004DE202004005024U1 Breathing mask for smoke protection, has flexible frame and transparent plastic eye mask with separately driven warning light and alarm buzzer
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