| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 128206190 | Body of mask, other than viewing means, formed of porous filter material (e.g., surgical mask formed entirely of cloth, etc.) | 52 |
| 20080223372 | Modified eye and mouth mask structure for escape from dense smoke of fire accident - An eye and mouth mask unit for escape from dense smoke of fire accident comprises an eye and mouth mask, a liquid bag and a package bag unit. The eye and mouth mask and the liquid bag are sealed in the package bag when not in use. The eye and mouth mask comprises a mouth mask body, an eye mask body and two constriction bands. The eye mask body is connected at the upper side of the mouth mask body. The eye mask body is made of transparent plastic film. The two constriction bands are sewed at end corners of two side peripheries of the mouth mask body for hanging on ears of a user so that the eye mask body and the mouth mask body of eye and mouth mask can cover over his eyes, nose and mouth. | 09-18-2008 |
| 20080271739 | MAINTENANCE-FREE RESPIRATOR THAT HAS CONCAVE PORTIONS ON OPPOSING SIDES OF MASK TOP SECTION - A maintenance-free respirator | 11-06-2008 |
| 20090014006 | Novelty mask cover - A stick-on covering for a mask is disclosed. The cover is sized and configured to fit on a standard size surgical type mask. In a preferred embodiment, the cover is made of a breathable filter material. The invention discloses a novelty, breathable, peel-and-stick mask cover. | 01-15-2009 |
| 20090078265 | RESPIRATOR HAVING DYNAMIC SUPPORT STRUCTURE AND PLEATED FILTERING STRUCTURE - A filtering face-piece respirator | 03-26-2009 |
| 20090078266 | FILTERING FACE-PIECE RESPIRATOR HAVING BUCKLES INTEGRAL TO THE MASK BODY SUPPORT STRUCTURE - A filtering face-piece respirator | 03-26-2009 |
| 20090084384 | FACE MASK STRUCTURE - A face mask structure, which includes an outer protective layer prepared from a water-repellent non-woven fabric; an inner protective layer prepared from a hydrophile non-woven fabric; a filter layer prepared from a static high-density fiber material for filtering microbes and dust powder, and sandwiched between the outer and inner protective layers; and a compound layer treated with a multiple functionalize carboxylic acid derivative that is a product from a chemical reaction between a cyclodextrin complex and a multiple functionalize carboxylic acid. The cyclodextrin complex can be a complex of cyclodextrin and an essential oil, antibiotic agent, or mosquito repellent agent. | 04-02-2009 |
| 20090090364 | FILTERING FACE-PIECE RESPIRATOR HAVING NOSE CLIP MOLDED INTO THE MASK BODY - A filtering face-piece respirator | 04-09-2009 |
| 20090151728 | Respiratory Protection Device - A respiratory protection device comprises a housing ( | 06-18-2009 |
| 20090188506 | INTEGRAL VALVE EFFECT RESPIRATOR - A respirator comprises: a nose and mouth covering porous filter body and a flexible restraining device arranged so that the body may pivot in a transverse plane about its nose contact portion, and the restraining device attaches to the body at positions where its restraining force imparts torque in the body about said nose contact portion so that the chin contact portion of said body bears against the user's chin. | 07-30-2009 |
| 20090211581 | RESPIRATORY MASK WITH MICROPOROUS MEMBRANE AND ACTIVATED CARBON - A respiratory mask for protecting a wearer against airborne particulates, chemical vapors, and splashes is disclosed. The mask includes a body sized to fit over at least a portion of the face of a wearer. The body includes a first layer including a microporous membrane having a plurality of interconnecting pores extending therethrough, and a second layer including an absorbent textile. The mask further includes an attachment mechanism for coupling the mask to the face of the wearer. | 08-27-2009 |
| 20100018533 | Novel Device - A face mask comprising a filter material being a fibrous substrate, especially non-woven polypropylene or polyester, having an acidic polymer, especially of the Carbopol or Gantrez type, deposited on the fibres. The mask has an anti-viral activity against inhaled or exhaled air. A filter material suitable for such a mask, and a process for making it are also described. | 01-28-2010 |
| 20100031962 | Detachable Disposable Mask and a Disposable Mask Body Thereof - A detachable disposable mask and a disposable mask body thereof is disclosed. The detachable disposable mask includes a disposable mask body and two straps. The disposable mask body has a thermoplastic filter sheet that contains polyolefin material. Each strap has two assembling members respectively located on two ends thereof. The assembling members are detachably assembled on the disposable mask body. After a period of use, the filtering effect of the disposable mask body is reduced, so the disposable mask body must be abandoned. However, since the assembling members of the straps are detachably assembled on the disposable mask body, the straps needn't be abandoned following the disposable mask body. Accordingly, the detachable disposable mask can avoid waste of straps, reduce users' purchase cost and improve the effect of environmental protection. The present invention claims the benefit of Chinese Patent Application No. 200610066167.3, filed Mar. 24, 2006. | 02-11-2010 |
| 20100051031 | HIGH-VISIBILITY FILTERING MASK - The invention relates to an individual flexible, thermoformed or foldable breathing mask comprising a filtering media and an outer cover ( | 03-04-2010 |
| 20100051032 | FOUR-SIDED DUSTPROOF MASK - The present invention relates to a four-sided dustproof mask including: an upper filter adapted to surround a wearer's nose area; a lower filter adapted to surround the wearer's chin area; and a protruded center filter adapted to attach the upper filter and the lower filter thereto in such a manner as to make the both ends of the upper filter and the lower filter correspond to center points formed at the both ends of a curved folding line dividing the protruded center filter into two sides, the curved folding line having a straight line portion having a predetermined length protrudedly extended from the center points thereof, whereby while the upper filter and the lower filter are being developed, the protruded center filter is protruded to a dome-like shape. | 03-04-2010 |
| 20100095967 | FLAT-FOLDED PERSONAL RESPIRATORY PROTECTION DEVICES - A personal respiratory protection device includes a multi-layered structure and first and second means for attaching a headband to hold the device in position on a wearer's face. The multilayered structure includes a filter medium and is divided into a flat upper panel having an upper peripheral edge, a flat non-rectangular central panel and a lower panel having a lower peripheral edge. The central panel is separated from each of the upper and lower panels by first and second lines of demarcation. The first and second lines of demarcation converge towards the first and second means for attaching a headband. The multi-layered structure is capable of being folded at the respective lines of demarcation so that the device can be folded flat for storage and can be opened to form a cup-shaped off the face air chamber over the nose and mouth of the wearer while the upper peripheral edge and the lower peripheral edge contact the wearer's face when the device is in use. | 04-22-2010 |
| 20100126510 | STIFFENED FILTER MASK - A flat-folding mask includes a filter layer forming a rim. The filter layer has first and second side panels extending from the rim. A substantially centrally located front panel bridges the first and second side panels, the front panel being substantially flat. The filter layer further includes a fused portion that is seamless and spaced from the rim. Triangular pleats may add support to the side walls and increase the effective filtration area of the mask. | 05-27-2010 |
| 20100132713 | STIFFENED FILTER MASK - A flat-folding mask includes a filter layer forming a rim. The filter layer has first and second side panels extending from the rim. A substantially centrally located front panel bridges the first and second side panels, the front panel being substantially flat. The filter layer further includes a fused portion that is seamless and spaced from the rim. Triangular pleats may add support to the side walls and increase the effective filtration area of the mask. | 06-03-2010 |
| 20100229871 | Pop-open respiratory etiquette device - A respiratory etiquette device in the form of a mask that can be held in a compacted configuration within the pocket or purse of a user. When released, the mask springs open to its erected configuration and can be quickly placed over the mouth and nose of a wearer to contain a cough or sneeze. Rapid springing open of the mask is achieved by using a plastic core having an array of external bubbles that rapidly regain their shape when the mask is released, thereby forcing the entire mask into its fully erected configuration. | 09-16-2010 |
| 20100252047 | REMOTE FLUORINATION OF FIBROUS FILTER WEBS - A method of making a fluorinated fibrous web, which method includes providing a nonwoven web | 10-07-2010 |
| 20100269832 | Complex respirator - A complex respirator is provided that includes a first shell, at least a first filter layer and a second filter layer. The first filter layer is replaceable and arranged on an outer side of the first shell while the first shell is disposed on an outer side of the second filter layer. A slot is formed on an outer side of the first shell for accommodating the first filter layer. The filtering area of the first filter layer is smaller than that of the second filter layer while pore size of the first filter layer is larger than that of the second filter layer. The second filter layer filters the gas that the first filter layer is unable to filter. Moreover, the type of first filter media of the first filter layer may be chosen based on the location that the complex respirator is to be used. | 10-28-2010 |
| 20100313890 | PROTECTIVE MASK WITH BREATHABLE FILTERING FACE SEAL - The invention is directed to a protective mask that has high filtration efficiency, yet is easy to breathe through and is comfortable to wear. The mask includes a thin filter body layer configured to cover the mouth and nose of a user when the mask is worn and a thicker compressible gasket positioned along a periphery of the mask. The gasket comprises a high loft, porous dielectric filtering material that forms a breathable closure about the user's face without forming an airtight seal, such that the user can draw breathable air from the sides, top, and bottom of the mask. The mask preferably includes a outer scrim coated with biocidal iodinated resin to provide surface antibacterial properties. | 12-16-2010 |
| 20110067700 | FLAT-FOLD FILTERING FACE-PIECE RESPIRATOR HAVING STRUCTURAL WELD PATTERN - A flat-fold filtering face piece respirator | 03-24-2011 |
| 20110067701 | HORIZONTAL FLAT-FOLD FILTERING FACE-PIECE RESPIRATOR HAVING INDICIA OF SYMMETRY - A horizontal flat-fold, filtering face-piece respirator | 03-24-2011 |
| 20110094515 | FILTERING FACE-PIECE RESPIRATOR HAVING PARALLEL LINE WELD PATTERN IN MASK BODY - A respirator | 04-28-2011 |
| 20110100371 | ANTI-VIRAL PROPERTIES OF ZOSTERIC ACID AND RELATED MOLECULES - The invention relates chemical compound entry inhibitors and methods of determining such inhibitors that interact with regions of viruses, such as the dengue virus, as candidates for in vivo anti-viral compounds. | 05-05-2011 |
| 20110100372 | RESPIRATOR ATTACHMENT COMPONENT WITH MOLDED THERMOSET ELASTOMERIC SEAL - Respirator attachment components are described and include a polymeric rigid respirator attachment body portion having a first surface and a second surface and a silicone sealing element chemically bonded to the first or second surface. | 05-05-2011 |
| 20110114095 | ANTIVIRAL METAL IMPREGNATED ACTIVATED CARBON CLOTH COMPONENTS - An adaptable component having antiviral and virucidal properties is disclosed. The component generally comprises of a metal impregnated activated carbon cloth, an inner layer positioned along one side of the cloth and an outer layer positioned along the opposite side of the cloth. The layers can be attached together along all or a portion of a perimeter. The component can also have a protective membrane positioned between the outer layer and the activated carbon cloth. The components can be of benefit used in facemask composite, medical clothing such as gowns and scrubs, bed linen and protective clothing for military purposes. | 05-19-2011 |
| 20110132374 | MOLDED MONOCOMPONENT MONOLAYER RESPIRATOR - A molded respirator is made from a monocomponent monolayer nonwoven web of continuous charged monocomponent meltspun partially crystalline and partially amorphous oriented fibers of the same polymeric composition that have been bonded to form a coherent and handleable web which further may be softened while retaining orientation and fiber structure. The respirator is a cup-shaped porous monocomponent monolayer matrix whose matrix fibers are bonded to one another at at least some points of fiber intersection. The matrix has a King Stiffness greater than 1 N. The respirator may be formed without requiring stiffening layers, bicomponent fibers, or other reinforcement in the filter media layer. | 06-09-2011 |
| 20110155137 | FILTERING FACE-PIECE RESPIRATOR HAVING AN AUXETIC MESH IN THE MASK BODY - A filtering face-piece respirator | 06-30-2011 |
| 20110155138 | MASK - A mask is revealed. The mask includes an upper construction surface and a lower construction surface, respectively disposed above and under a middle construction surface and having a main body that is arranged above and under a middle construction surface. The upper construction surface and/or the lower construction surface further include an extended part. The upper, lower and middle construction surfaces are folded to form a flat folded structure. In use, the upper and the lower construction surfaces are folded in opposite directions to form a 3D mask. The mask are formed of one construction surface or two construction surfaces or more construction surfaces. By the extended part, the mask is applied to users with various face shapes and sizes. Moreover, the air leakage is reduced and the filter efficiency is increased. | 06-30-2011 |
| 20110162653 | REMOTE FLUORINATION OF FIBROUS FILTER WEBS - A method of making a fluorinated fibrous web, which method includes providing a nonwoven web | 07-07-2011 |
| 20110209711 | Multilayer Composition for a Breathing Mask - Multilayer filtering composition for a protective breathing mask, characterized in that this filtering multilayer composition comprises, from the outside in: a) an external layer made of a spunbonded nonwoven fabric; b) a first intermediate layer of felt-type tribocharged nonwoven fabric based on at least two different types of fibres suitable for giving the fabric opposite electric charges that enhance the filtration; c) at least one second intermediate layer made of a nonwoven ply of melt-blown microfibres, said ply being charged with static electricity; and d) an internal layer in contact with the face made of a spunbonded nonwoven fabric. | 09-01-2011 |
| 20110220109 | MOUTH MASK - A mouth mask includes a mask body and fixing elements connected to the mask body. The mask body includes a waterproof nonwoven layer, a skin-contact nonwoven layer, and a filtering nonwoven layer provided between the waterproof nonwoven layer and the skin-contact nonwoven layer to correspond to mouth and nose of a user. The dimension of the waterproof nonwoven layer is the same as that of the skin-contact nonwoven layer. The dimension of the filtering nonwoven layer is smaller than that of the waterproof nonwoven layer and the skin-contact nonwoven layer. With the above structure, a mouth mask is provided, which is more comfortable when worn and has a less production cost. | 09-15-2011 |
| 20110226253 | COUGH SHIELD - A cough shield includes a cough shield body expandable from a folded state to an open state and collapsible to return from the open to the folded state. The cough shield body is retained in an unbiased condition in the folded state until acted on by a user to open the cough shield body. An engagement member adhesively fixed to the body is accessible to the user in the folded state. The engagement member defines a cavity between the engagement member outer wall and an outer surface portion of the body. The engagement member slidably receives a user's finger to assist in opening or closing the cough shield body and to temporarily retain the cough shield in the open state in contact with the face of the user to at least partially cover the user's nose and mouth. | 09-22-2011 |
| 20110240029 | FILTER ELEMENT UTILIZING SHAPED PARTICLE-CONTAINING NONWOVEN WEB - A filter element utilizes a porous shape-retaining self-supporting non-woven web. The web includes thermoplastic elastomeric polymer fibers and active particles disposed in the fibers. The web also possesses a three-dimensional deformation. | 10-06-2011 |
| 20110247626 | Mask - A mask includes an airtight wrapper and a filtering cotton. The airtight wrapper further includes an airy opening and an airy covering. With the airy covering able to be engaged with and disengaged from the airy opening, the filtering cotton can be fixed immovably between the airy opening and the airy covering for use and taken away easily in case of needing to clean the airtight wrapper and the filtering cotton. Thus the airtight wrapper can be washed and the filtering cotton can be replaced with a new one if necessary, properly saving resource. | 10-13-2011 |
| 20110308525 | STRESS DEFORMABLE AND SEALED BREATHING MASK - A stress deformable and sealed breathing mask that includes an air permeable rectilinear mask body having at least one layer of air filtering material and a resilient sealing strip at an upper edge of the mask body for sealing engagement with a user's face. An upper attachment strap is in a laced engagement with the mask body and the resilient sealing strip such that tightening of the upper attachment strap about a user's head causes the resilient sealing strip to resiliently deform substantially to the contour of the user's face in the bridge area of the user's nose. A lower attachment strap secures the bottom of the mask body against a portion of the user's face below the user's mouth. | 12-22-2011 |
| 20110315144 | RESPIRATOR THAT HAS INWARD NOSE REGION FOLD WITH HIGH LEVEL CONFORMATION - A flat fold filtering face piece respirator | 12-29-2011 |
| 20120017911 | FILTERING FACE-PIECE RESPIRATOR HAVING FOAM SHAPING LAYER - A filtering face mask | 01-26-2012 |
| 20120060843 | Pleated filtering face piece respirator - A pleated molded filtering face piece respirator to be worn upon the face of a wearer and for providing filtering including at least one layer of moldable flexible plastic material formed from openwork flexible plastic material for providing a plurality of perforations for allowing for the free passage of air through the openwork plastic. A layer of moldable filter material for filtering impurities in the air, the one layer of flexible plastic material formed from openwork flexible plastic material and the layer of filter material for filtering impurities in the air lying one on top of the other to form a moldable multilayer of flexible plastic material and filter material. The moldable multilayer of flexible plastic material and filter material are pleated into pleated material and molded to form the pleated filtering face piece respirator to a desired configuration where the one layer of openwork flexible plastic material forms a support layer to carry the layer of filter material. | 03-15-2012 |
| 20120090616 | Flexible Scent-Restraining Containment Mask - A mask placeable over the nose and mouth of a user for blocking out unpleasant odors. The mask has an air-permeable body with an inner surface shaped to fit over the nose and mouth and a strap for securing the mask in place over the user's face. An arrangement of pliable material is affixed to the inner surface of the mask at nostril level providing a method to secure a separate scent emitting object at the user's discretion. | 04-19-2012 |
| 20120160246 | SPLASH-FLUID RESISTANT FILTERING FACE-PIECE RESPIRATOR - A filtering face-piece respirator | 06-28-2012 |
| 20120160247 | Splash Resistant Facemask - There is provided a splash resistant facemask having two outer splash layers adjacent each other on a side away from a wearer, a filter layer and an inside layer. None of the layers contains a repellent treatment. The facemask can pass a fluid splash resistance test, e.g. ASTM F-1862-05, wherein fluid is directed at the mask at a pressure of 160 mmHg. | 06-28-2012 |
| 20120167891 | ADJUSTABLE FACIAL CONFORMING FACE MASK - An adjustable face mask having a body conforming substantially to the facial structure of a wearer. The face mask is provided with a neck shield and removable filter and novel air apertures providing a communication of forced air to the nose and mouth of a user. The face mask can optionally provide neck protection with a descending neck member. | 07-05-2012 |
| 20120318273 | DISPENSABLE FACE MASK AND METHOD OF MAKING THE SAME - A method of making a face mask is disclosed. The method includes providing an elastic nonwoven web continuous in a machine direction, the elastic nonwoven web having a central lane extending in the machine direction; bonding a filtering web to the central lane of the elastic nonwoven web to provide a layered web, the filtering web being continuous in the machine direction and having a cross-web width that is substantially the same as the cross-web width of the central lane; and stamping a face mask into the layered web. A face mask and a continuous layered web having a plurality of face masks disposed thereon are also disclosed. | 12-20-2012 |
| 20130037032 | MASK - A mask that can prevent spaces from forming between a mask body and a wearer's face. In the mask, the top base and bottom base of a left ear loop are joined to the mask body at a top joining part and bottom joining part, respectively. Also, the top base and bottom base of a right ear loop are joined to the mask body at a top joining part and bottom joining part, respectively. In the top joining parts, joining part bottoms, which are at the bottom in a second direction, are shifted away from rims in a first direction with respect to joining part tops, which are at the top in the second direction. | 02-14-2013 |
| 20130139823 | RESPIRATOR HAVING FOAM SHAPING LAYER WITH RECESSED REGIONS SURROUNDING AIR PASSAGEWAYS - A filtering face mask | 06-06-2013 |
| 20140182593 | FILTERING FACE-PIECE RESPIRATOR HAVING FOLDED FLANGE - A filtering facepiece respirator | 07-03-2014 |
| 20140290662 | Filter Material and Face Mask - The present invention relates to a filter material for respirator masks. The filter material comprises a filter material layer that is pleated so as to form a plurality of folds, said filter material layer comprising a filter layer and a first netting layer. The invention is characterized in that the filter material layer comprises a second netting layer disposed on the filter layer on the side opposite to said first netting layer. The invention additionally relates to a respirator mask comprising such a filter material. | 10-02-2014 |
| 20150289573 | SELF SANITIZING FACE MASKS AND METHOD OF MANUFACTURE - A reusable facemask includes a filter layer of material adapted to trap particles having a size range of known contaminant particles; and a porous layer of material located adjacent to the filter layer and adapted to continually sanitize contaminant particles trapped by the filter layer and contaminant particles passing through the porous layer by releasing free ions of elements selected from the group consisting of silver and copper. | 10-15-2015 |
| 20170232278 | RESPIRATOR MADE FROM IN-SITU AIR-LAID WEB(S) | 08-17-2017 |
| 20220132949 | NASAL MASK - A nasal mask comprises a panel of breathable filter material, the panel having a bottom edge and a top edge, a height between the bottom edge and the top edge being between approximately 40 and 80 mm. The panel is configured to cover a portion of the face extending from under a nasal bridge to an upper lip of a wearer, a shapeable strip connected to the panel at or adjacent to the bottom edge of the panel, the shapeable strip being configured to be applied against an upper lip with the bottom edge of the panel being above a mouth cavity of the wearer. | 05-05-2022 |
