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| Number | Title | Issue Date |
| 8176918 | Three dimensional face mask A three dimensional face mask comprises: a three dimensional cup, a three dimensional soft rubber washer, an elastic tape, and an anti-skid band; it is characterized in that: the three dimensional cup is made by hot pressing of multilayer of filtration material, the... | 05/15/2012 |
| 8091552 | Apparatus to mitigate the spread of infectious material caused by coughing or sneezing Apparatus and method to mitigate the spread of infectious material caused by coughing or sneezing are disclosed. The apparatus includes a bottom, a peripheral first duct and a peripheral second duct, and a top. The bottom has a first side and an opposing second side... | 01/10/2012 |
| 8091551 | Facemask with filtering closure There is provided a protective media and a method of manufacturing the same. In one aspect, the protective media includes a porous dielectric carrier, an active agent incorporated in the porous dielectric carrier, and an electrostatic charge across at least a portio... | 01/10/2012 |
| 8056560 | Universal dust mask/filter for ATV and dirt bike riders, method of making and method of using A face/dust mask constructed from differently-shaped filter media parts, each part having a different function, and each part interconnected so as to form a fitted air filter. Dual filters assist in eliminating from the intake air a substantial amount of the dust an... | 11/15/2011 |
| 7802572 | Face mask A medical face mask comprising a central transparent portion, an outer filter portion and, optionally, one or more antimicrobial agents is described. ... | 09/28/2010 |
| 7766015 | Air filtering soft face mask An air filtering soft face mask has a soft body formed of multiple layers of material, including at least one layer of air filtering material capable of filtering selected contaminants from air. The body has an arcuate or peaked nose engaging edge adapted to engage ... | 08/03/2010 |
| 7703456 | Facemasks containing an anti-fog / anti-glare composition A coating composition that is incorporated into a facemask to reduce fogging and glare is provided. For example, in one embodiment, the facemask contains a shield or visor formed from a transparent substrate having at least one surface applied with the coating compo... | 04/27/2010 |
| 7677248 | 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... | 03/16/2010 |
| 7364607 | Wrought fiber sheet and filter unit A wrought fiber sheet or air cleaning filter unit that exhibits high performance and is biodegradable so as to enable reducing load upon environment. The wrought fiber sheet is produced by coupling biodegradable fiber sheets having electret properties by means of a ... | 04/29/2008 |
| 7337779 | Facemask tape-adjuster The facemask tape-adjuster is an adjusting device for the tapes of facemasks comprising of a upper piece and a lower piece respectively made joint at one edge, in which the inner face of upper piece is made to have pressing region complementary to that which is made... | 03/04/2008 |
| 7311105 | Mask having a scenting means, and method for blocking out unpleasant odors A mask placeable over at least one respiratory organ of a user's face for blocking out unpleasant odors and for emitting a scent which is pleasant to the user. The mask has an air-permeable body with an inner surface shaped to fit over a respiratory organ of the use... | 12/25/2007 |
| 7311102 | Protective apparel Apparel suitable for providing protection against noxious agents, wherein the apparel comprises a laminate material that provides a substantially effective barrier against the noxious agents. It is preferred that the laminate material comprises two or more layers, a... | 12/25/2007 |
| 7294175 | Personal inhalation filter A cylindrical or other suitably shaped filter container for insertion into a user's nares to filter inhaled air to remove airborne items. The filter container has two open ends forming a container surrounding filter material. Polypropylene may be used to form the co... | 11/13/2007 |
| 7290545 | Face mask with anti-fog folding A face mask is provided that is configured to reduce or eliminate fogging that may occur on eye wear or an eyeshield worn by a user of the face mask. The face mask includes a body portion that has a layer with an inner surface configured for facing the face of the u... | 11/06/2007 |
| 7290546 | Nasal mask A nasal mask assembly for preferred use in CPAP treatment. The mask assembly comprises a central body, a face cushion, a forehead support and a gas inlet. The gas inlet is rotatably connected to the central body, and the forehead support is pivotally connected to th... | 11/06/2007 |
| 7275269 | Warming scarf A warming scarf has front and rear panels assembled to create an insulating air pocket when the scarf is worn. The front panel is larger than the rear panel and the excess fabric is gathered and pleated at the scarf's edges to “pouch” the fabric and form the air... | 10/02/2007 |
| 7255627 | Garment device convertible to one or more facemasks A garment device convertible to one or more facemasks wherein the garment device has a plurality of detachable cup sections. Each of the cup sections has a filter device, an inner portion positionable adjacent to the inner area of the user's chest, and an outer port... | 08/14/2007 |
| 7237550 | Respirator containing filter cases A respirator containing filter cases uses cellular elements or positioning boards provided in filter cases to consistently secure a plurality of particle-shape refillable filter materials in place, to prevent air breathing in through the respirator from forming chan... | 07/03/2007 |
| 7228858 | Protective garment A protective garment incorporates a face and neck mask adapted to filter out airborne particulates. The protective garment outwardly has the appearance of a conventional shirt, sweater or jacket, yet incorporates a convenient, easy to use, and readily accessible mas... | 06/12/2007 |
| 7225806 | Portable oxygen regenerating escape hood A protective device to be emplaced over the head of a user comprises a sack-like member fabricated from a flexible film material and having an opening to enable a user to place the sack-like member over the user's head. The sack-like member has an interior containin... | 06/05/2007 |
| 7211923 | Rotational motion based, electrostatic power source and methods thereof A power system includes a member with two or more sections and at least one pair of electrodes. Each of the two or more sections has a stored static charge. Each of the pair of electrodes is spaced from and on substantially opposing sides of the member from the othe... | 05/01/2007 |
| 7210482 | Face mask structure A face mask structure has an upper mask portion, a middle mask portion, and a lower mask portion, which are formed integrally. The upper mask portion has an upper metal stripe disposed at a proper position thereof. The lower mask portion has a lower metal stripe dis... | 05/01/2007 |
| 7204250 | Bio-mask The invention relates to a breathing mask for use in monitoring a patient. The mask can have sensors on the body of the mask and on the associated straps or caps. The mask can be used to monitor breathing problems or to monitor a patient during anesthesia. The data ... | 04/17/2007 |
| 7188946 | Eyewear Novel eyewear are disclosed which comprise a lens and a sealing frame. The lens is adapted to cover at least one of a user's eyes. The frame has an adhesive side and is disposed adjacent the perimeter of the lens. A first portion of the adhesive side is disposed at ... | 03/13/2007 |
| 7185653 | Disposable mask for dust protection A disposable mask for dust protection is provided for maintaining contact with the wearer's face even when moving one's mouth, in which the strap is fixed to maintain tension, and to enable easy adjustment of the length of the strap. The disposable dust protective m... | 03/06/2007 |
| 7171967 | Face mask and method of manufacturing the same A mask includes a filter layer and a support base supporting the filter layer. The filter layer has first and second complimentary portions that together form a rim, where the first portion is connected to the second portion at first and second seams. The first seam... | 02/06/2007 |
| 7131442 | Fibrous filtration face mask A face mask for filtering contaminants from the air. The face mask includes a harness for securing the mask over the nose and mouth of the wearer and a nonwoven fibrous layer attached to the harness. The nonwoven fibrous layer contains at least 40 weight percent the... | 11/07/2006 |
| 7128070 | Biological defense masks The invention relates to biological defense masks, and more particularly, biological defense masks designed for use by populations at risk of widespread biological attack via biological weapons of mass destruction. The present invention is also related to methods fo... | 10/31/2006 |
| 7112234 | Composite porous media A composite porous media for either gas or liquid flow is strong and efficient, and can readily be formed in or into a wide range of different shapes and configurations. In particular, the porous media is a composite of a metal, aerogel or ceramic foam (i.e., a reti... | 09/26/2006 |
| 7107990 | Portable face protector for protecting human being from poisonous gas and securing visibility Disclosed is a portable face protector for protecting a human being from poisonous gas and securing visibility, which can be used in an emergency such as a fire, etc. The face protector comprises a visibility securing member having a transparent window, for tightly ... | 09/19/2006 |
| 7101423 | Respiratory air filter A respiratory filter includes an air-permeable sleeve and at least one filter layer that is arranged in the sleeve and contains activated carbon. The activated carbon contained in the filter layers serves as a gas filter that, by absorption, at least partially remov... | 09/05/2006 |
| 7086400 | Mask A mask comprising a mask main body and a face seal, wherein the outer periphery part of the main body and the outer periphery part of the face seal are adhered, said face seal is composed of a sheet prepared by laminating soft resin such as polyurethane resin on one... | 08/08/2006 |
| 7086401 | Respiratory mask with inserted spacer A respiratory mask that conforms to N95 performance and other high performance standards with improved air permeability for improved air circulation. The respiratory mask has a mask body and a headband for putting on the respiratory mask to the face of a wearer, the... | 08/08/2006 |
| 7087129 | Method of forming an impregnated micro-fiber filtration unit A method of forming a blown micro-fiber filtration unit having multiple overlapping layers of fibrous material and an active material applied over said layers, The fibrous material layers being fused together. ... | 08/08/2006 |
| 7077128 | Eye-wear articles for use with respiratory masks An eye-wear article (93) for use with a respiratory mask (1) comprises a flat piece of transparent polymeric material providing a visor portion. The flat piece of polymeric material has shaped portions in a lower edge that fit over respective selected ... | 07/18/2006 |
| 7077140 | Face mask and method A method for preventing a spread of diseases, promoting better breathing, improving comfort and reducing fatigue. The method utilizes a face mask and a noseform of the type disclosed in U.S. Pat. No. 5,976,173, which is incorporated herein by reference, In a first e... | 07/18/2006 |
| 7069931 | Method of making a filtering face mask that has an exhalation valve attached thereto A method for making a filtering face mask that comprises providing a fluid-permeable multi-layered mask body comprising a structural supporting layer and a filtration layer, the multi-layered mask body being configured to fit over the nose and mouth of a person and ... | 07/04/2006 |
| 7069930 | Flat-folded personal respiratory protection devices and processes for preparing same A personal respiratory protection device that comprises a mask body and an exhalation valve that is secured to the mask body. The mask body includes (i) a flat central panel; (ii) a flat first panel joined to the central panel through a fold-line, seam weld, or bond... | 07/04/2006 |
| 7063087 | Filtering system for the protection against biological agents The invention refers to a filtering system composed by a face mask and a filter against biological agents, joined together by a new connector. The connector joins the filter to the mask in an easy, fast and affective way. The filtering system provides a very high ba... | 06/20/2006 |
| 7055521 | Ventilated mask for outdoor use A ventilated mask for outdoor use is provided having a face mask to protect the wearer against insects and flying debris. The mask covers the user's nose, mouth and cheek area, and has a removable visor to provide protection for the eyes as well. The use of a snap i... | 06/06/2006 |
