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Matches 1 - 50 out of 1,716

Document Document Title
WO/2022/167728A1
A cellulose-based filter media (10) is disclosed having a first phase (14) and a second phase (16), wherein the first phase (14) includes refined cellulose fibers, and wherein the second phase (16) includes cellulose fibers along with at...  
WO/2022/168932A1
Provided is, for example, a medical filter unit that has a novel structure and has an excellent ability to trap viruses and the like. Also provided is a filter unit for reusable masks that has a novel structure and enables a high-perform...  
WO/2022/168128A1
A respiratory protection device (1) is described comprising: a structural protective element (3); a plurality, and preferably two filtering devices (5) operatively connected to the structural protection element (3), the filtering devices...  
WO/2022/169345A1
The present invention relates to a mask comprising: a mask body having an upper mask body capable of selectively covering the nose of a wearer and a lower mask body, which can selectively cover the mouth of the wearer and be separably co...  
WO/2022/162139A2
A face mask having mechanical, chemical, and electrostatic barriers to the movement of a material into and out of a face mask are described herein. Various examples of the face mask described herein use electrostatic charges to capture a...  
WO/2022/162675A1
The present disclosure provides a filtration element comprising a proximal filtration layer, a distal filtration layer and at least one filtration layer placed between said proximal filtration layer and said distal filtration layer, each...  
WO/2022/164859A1
The present disclosure provides a device for respiratory protection. The device includes a face shield having a first end and a second end opposite the first end. The device also includes a headband coupled to the first end of the face s...  
WO/2022/165014A1
A mask for filtering inhaled and exhaled air includes: a body shaped to follow a contour of a human face and conform to a cheek structure of the face; a receiving element disposed adjacent to the opening including a first protrusion; a c...  
WO/2022/157490A1
A valve apparatus (10) for a face mask (12) comprises a drinking spout portion (14) and a connector arrangement (16) for coupling the valve apparatus (10) to a face covering portion (18) of the face mask (12). The drinking spout portion ...  
WO/2022/155713A1
The present invention patent application is essentially characterized by a respiratory protection mask with a combined device for molecular filtering of inhaled air by means of an electric ventilation and suction mechanism, that is desig...  
WO/2022/157002A1
Described is a half-mask for the face having exterior devices for adjusting (1) such half-masks which can be used for health protection and for the hygiene of the user in climatologically detrimental or biologically dangerous situations,...  
WO/2022/153102A1
The invention refers to a device for sterilizing breath including a light reflecting chamber (1), a UV irradiating lamp system (2), a filter layer (3), a locating frame (4), a carrying strap (5) and a battery (6) wherein the light reflec...  
WO/2022/151197A1
A fold-forming and collapsing device and a mask production machine. The fold-forming and collapsing device includes a feeding component (100) for feeding a continuous sheet material, a pre-fold forming component (200) for forming an init...  
WO/2022/153085A1
A face mask includes a body extending from a first side to a second side; one or more securing devices to secure the body to a user's head and face; a transparent section positioned near a middle region of the body, the transparent secti...  
WO/2022/152974A1
The present disclosure relates to removing and neutralizing pathogenic particles from air by filtration. Especially the disclosure relates to antipathogenic filter layers comprising detonation nanodiamonds and metal ions, filter construc...  
WO/2022/147856A1
A lower-air-duct air supply mechanism, a head-mounted protector and an electric protection device. The lower-air-duct air supply mechanism comprises an air intake mask (10), an air supply pipe (20) and a filter screen (30), wherein the f...  
WO/2022/146892A1
A face mask with microporous filter membrane layer is presented. The face mask with microporous filter membrane layer contains a mask body at least one strap and a sealing element. The mask body contains a first end a second end an outer...  
WO/2022/139676A1
According to various embodiments, a face mask includes a cover shield, an input and an output fan. The cover shield is shaped to cover nose and mouth of a wearer, and defines an inner space between the cover shield and the skin of the we...  
WO/2022/140426A1
An access control apparatus having a protective covering configure to cover at least one of a subject or an object inside said protective covering is provided, where an opening is configured to provide access to the at least one of a sub...  
WO/2022/136101A1
The invention relates to a nose plug comprising at least one flexible member comprising an anti-microbial substance, and one rigid, elongated support member. The flexible member is arranged to surround the support member, and the flexibl...  
WO/2022/139395A1
A mask according to an embodiment of the present invention sits on a user's face, the mask comprising: a mask body formed of a transparent material; and a filter unit coupled to the mask body and formed of a breathable material, wherein ...  
WO/2022/131599A1
The present invention relates to a mask having a large filtering surface, which is provided so that breathing of a wearer is convenient, air flow through a gap between the face and a filtering material is suppressed, and fogging up of gl...  
WO/2022/129836A1
A wearable air purification system comprising one or more wearable supports and an air delivery mask supported by one or more of the one or more wearable supports. A motor for driving a flow of air to an air delivery region bounded by th...  
WO/2022/132742A1
An article for holding a material capable of capturing aerosol-borne pathogen includes a housing having a first component and a second component that can be connected to the first component, the first component having a plurality of open...  
WO/2022/129833A1
The invention provides a head wearable air purifier (10) that includes a filter assembly (32), a motor-driven impeller (26) for creating an airflow through the filter assembly (32) to obtain a filtered airflow (17) downstream of the filt...  
WO/2022/130080A1
Described herein is the use of a cyclotriphosphazene core substituted with at least three amino-cyclic carbon groups used as a charge-enhancing additive in a thermoplastic resin. Such compositions may be used in filtering applications.  
WO/2022/131392A1
Disclosed is a mask having a face contact function, wherein a structure of a mask body can be directly changed by a wearer so that the mask body does not lift off the face regardless of the structure or size of the wearer's face. To this...  
WO/2022/129837A1
A wearable air purification system comprising a wearable support configured to be supported on a head of a user; and an air delivery mask which is shaped to at least partially bound an air delivery region and to deliver a flow of air to ...  
WO/2022/127991A1
The invention relates to a mask filter for the respiratory protection of a user, the structure of the mask filter having at least two textile layers, in particular nonwoven layers, and an activated carbon layer that is arranged therebetw...  
WO/2022/132991A1
The respiratory protective device includes a face seal and filter comprising two chambers, an inner chamber and outer chamber. The inner chamber is in fluid communication with the outer chamber, which is in fluid communication with the e...  
WO/2022/129656A1
Disclosed is a face mask formed from a transparent laminar body dimensioned to cover a user's mouth and nose, with fastening means and means for adding an antibacterial filter. The transparent body is formed by a concave curved case (1) ...  
WO/2022/122974A1
The disclosed methods of manufacturing filter masks include using an overmoulding step to both form a sealing member and to fix the sealing member to a support frame and a sheet of filtering material.  
WO/2022/122794A1
The invention relates to a mouth-and-nose covering having at least three flexible air-permeable layers arranged parallel to one another, of which one layer (10) faces the body of the wearer and covers the mouth and nose area during use, ...  
WO/2022/124805A1
The present invention presents a nose mask for sufficiently ensuring a breathing space while preventing viruses, influenzas and various kinds of bacteria in indoor air from being inhaled through the nose. The nose mask comprises: an uppe...  
WO/2022/122967A1
Face masks, including filter masks, and methods for their production. The disclosed masks include a face mask comprising a mask body that defines a cavity for accommodating the nose and mouth of a wearer and a sealing member depending fr...  
WO/2022/125371A1
Various embodiments of safety headwear are provided. The safety headwear includes one or more of a hard hat, such as a safety helmet, and a respirator. The safety headwear monitors one or more conditions, such as biometric and/or atmosph...  
WO/2022/121062A1
A compressive inhaler, which is defined by: 1) a piston compressing air to a tank, 2) the tank has an internal catalytic converter or other converter/chemical reducer to decrease harmful content in exhaust gas, 3) ideally the tank is tem...  
WO/2022/122915A1
Face masks, including filter masks, having improved stability, including face masks having a sealing member (25) depending from the mask body for engagement with the wearer's face, the mask body comprising a nasal portion (27) for accomm...  
WO/2022/122976A1
Face masks, including filter masks, and methods for their production. The disclosed methods include using an overmoulding step to both form a sealing member and to fix the sealing member to a support frame and a sheet of filtering material.  
WO/2022/118047A1
The invention relates to improvements to a respirator mask which can be provided in a single use or multiple use configuration. The mask can be provided with a substantially transparent body and is preferable provided to be compliant wit...  
WO/2022/119684A1
A smart mask includes a face covering, an attachment member, one or more sensors, and a controller. The face covering is configured to cover a face area of a wearer. The attachment member is configured to attach the face covering onto th...  
WO/2022/117307A1
A filter cartridge (27) for a respirator system (100) comprises: a body defining an air channel through the filter cartridge (27) from an inlet to an outlet; an electrically conductive tape (45) extending from a tape dispenser (31) throu...  
WO/2022/114316A1
The present invention relates to a mask with improved harmful-material-blocking ability, and comprises: a mask main body comprising at least one main body sheet; and earring parts formed at the both sides of the mask main body, and compr...  
WO/2022/114341A1
The present invention provides a mask-type air purifier which has excellent ventilation while increasing the collection efficiency of a filter by forming high static electricity at the filter through electron emission at high voltage, an...  
WO/2022/108438A2
The present invention describes a facemask to protect against pathogenic agents that is reusable with interchangeable filters, easy to manufacture and economical, with an ergonomic design that avoids fatigue after use, errors in the plac...  
WO/2022/106068A1
A mouth-nose mask (10), in particular for reducing the transmission of pathogens via droplets of secretion, comprises a central fold (11) which defines a chin-nose line of the mouth-nose mask and separates the mouth-nose mask (10) into t...  
WO/2022/106011A1
A mouth-nose mask (10), in particular for reducing the transmission of pathogens via droplets of secretion, comprises a central fold (11) which defines a chin-nose line of the mouth-nose mask and separates the mouth-nose mask (10) into t...  
WO/2022/106081A1
A mouth-nose mask (10), in particular for reducing the transmission of pathogens via droplets of secretion, comprises a central fold (11) which defines a chin-nose line of the mouth-nose mask and separates the mouth-nose mask (10) into t...  
WO/2022/101836A1
Polyanionic filters are described for the hygienisation of enclosed spaces, for use in air conditioning splits and air purifiers, or as materials for protective masks. The filters of the invention, which are installed in air conditioners...  
WO/2022/103816A1
A multilayered face-covering is provided with at least two layers and joined with a centrally located merge stitch or nose seam. The outer is a thicker knitted cloth material with a higher thread-weight and/or thread-count than the inner...  

Matches 1 - 50 out of 1,716