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| Number | Title | Issue Date |
| 7261104 | Respirator facepieces The present invention provides an air-purifying respirator facepiece with a removable, one-piece filter element connector. It also has a removable component housing in the lens as well as a nosecup without inhalation valves that prevents fogging of the portion of th... | 08/28/2007 |
| 7188621 | Portable ventilator system A portable ventilator uses a ROOTS-type blower as a compressor to reduce both the size and power consumption of the ventilator. Various functional aspects of the ventilator are delegated to multiple subassemblies having dedicated controllers and software that intera... | 03/13/2007 |
| 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 |
| 7178526 | Quick-donning full face oxygen mask with inflatable harness and soft foldable lens A mask and harness system for use in providing breathing oxygen and protection from pollutants for the eyes and respiratory system includes a face seal, a soft flexible lens, a pneumatically-actuated harness, and a regulator with microphone to control the flow of ox... | 02/20/2007 |
| 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 |
| 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 |
| 7017577 | Face mask with seal and neutralizer A sealed face mask. The face mask may be a common paper face mask or a more technically complex gas mask. The face mask includes a periphery. The periphery includes a seal that surrounds the nostrils and the mouth and that sticks to the skin of the face. The adhesiv... | 03/28/2006 |
| 6994088 | Device and method for securing tracheostomy tube attachments A retainer is provided comprising a ring configured to fit over a readily available tracheostomy tube and be securable thereto, and further having cooperating straps configured to extend around and secure an auxiliary device coupled to the tracheostomy tube, such as... | 02/07/2006 |
| 6978782 | Full face mask Disclosed is a novel light weight inexpensive full face mask in which the air filtration function is carried out by an air filtration shell which has at least a portion of its surface made of a porous filtration material. The air filtration shell also acts as a brea... | 12/27/2005 |
| 6959989 | Hard-hat flip-up safety glasses A system for attaching safety glasses to headwear often called a “helmet” or a “hard-hat” has multiple adjustments that fit the glasses to the individual user and that allow the user to flip the glasses back and forth between in-use and removed positions. Th... | 11/01/2005 |
| 6802315 | Vapor deposition treated electret filter media A vapor phase treated electret filter media includes an additive or mixtures thereof that enhance the charge stability of the media. The filter media achieves acceptable alpha values for a range of filtration challenges without significant decay in alpha values over... | 10/12/2004 |
| 6609516 | Smoke escape mask A smoke mask includes a generally planar breathing filter sized to cover the nose and mouth of a user. The breathing filter may be either dry or moistened, and has a filter efficiency of at least about 95%, meaning that at least about 95% of charge neutra... | 08/26/2003 |
| 6526975 | Disposable gas mask Disclosed is a disposable gas mask usable for emergency rescue purposes to save human lives from toxic gas or germ attack. The disposable gas mask includes a rectangular thin body, an eye protection window arranged at an upper portion of the body, a filte... | 03/04/2003 |
| 6520181 | Anti-fog face mask A face mask is disclosed that includes a mask portion, a resilient member (e.g., a pillowed web), and, optionally, an adhesive portion. The resilient member and the adhesive portion are alternately positionable between the mask portion and the wearer to i... | 02/18/2003 |
| 6453902 | Smoke escape mask A smoke mask includes a moistened generally planar breathing filter sized to cover the nose and mouth of a user. A transparent eye shield, which may be either a plastic film or goggles, is attached to the breathing filter. Pressure sensitive adhesive is l... | 09/24/2002 |
| 6408845 | Respiratory filter An improved respirator filter assembly includes an integral fit seal check mechanism easily controlled by the user. Upon release, the seal check mechanism permits free airflow through the filter assembly. The seal check mechanism includes an air passagewa... | 06/25/2002 |
| 6244266 | Cold weather air warming apparatus A cold weather air warming apparatus for permitting a user to breathe air warmed by the body. The cold weather air warming apparatus includes a mouthpiece that has a mouth engaging portion, a coupling portion, and a lumen extending through opposite ends o... | 06/12/2001 |
| 6216695 | Disposable surgical face mask with retractable eye shield A surgical mask adapted to cover the nose, mouth and eyes of the wearer is disclosed. A transparent lens component is positioned to cover the eyes of the user. A light-transmitting filter element being hingably connected to the upper edge of the transpare... | 04/17/2001 |
| 6173712 | Disposable aerosol mask with disparate portions A disposable mask is provided having a body with an opening sized to cover the nose and mouth of a wearer and a fastening system to secure the body to the wearer's face. The body has top and bottom edges with the top edge operable to extend across the nos... | 01/16/2001 |
| 6026511 | Protective article having a transparent shield A shield that is configured for use with a mask to form a protective article. The mask includes (i) a central portion having a pair of opposed edges, (ii) a first portion joined to an edge of the central portion, and (iii) a second portion joined to the o... | 02/22/2000 |
| 5836303 | Respirator apparatus A respirator apparatus comprises a mask with a passage and a mesh material disposed across the passage. The mesh material is fused between two layers of the mask material in a molding process. The mask is made of a cross-linked polyethylene material that ... | 11/17/1998 |
| 5813398 | Combined anti fog and anti glare features for face masks A face mask having a filter body for covering the nose and mouth of a wearer. Ear loops, head bands, surgical ties and other appropriate devices may be used to secure the face mask to the face of the wearer. The filter body is preferably formed from one o... | 09/29/1998 |
| 5803075 | Surgical mask with adhesive strip to improve breathing A surgical mask for covering a nose and mouth of a person is disclosed. The mask is designed to facilitate the flow of air through the nose. The mask includes a stiff, adhesive strip which, when secured over the nose, opens the nasal passages to allow mor... | 09/08/1998 |
| 5753373 | Coating composition having anti-reflective and anti-fogging properties A coating composition which imparts anti-reflective and anti-fog properties to substrates coated therewith. The coating composition utilizes an inorganic metal oxide in combination with particular polyhydroxy surfactants. The coating compositions are part... | 05/19/1998 |
| 5704349 | Surgical face mask with darkened glare-reducing strip and visor A clear plastic visor (16) is secured to a mask (12) which is removably attachable to the face of a wearer. The visor (16) is secured to the mask (12) at bond areas (48, 50) on opposite ends of the mask (12). The visor (16) is provided with a notched keyh... | 01/06/1998 |
| 5704068 | Cold weather cowl A cowl to protect the head, face and neck of an individual from the cold is disclosed. The cowl includes a skull cap, ear band, neck drape and face mask. The face mask includes a breathing channel design to cause air exhaled by the individual to travel do... | 01/06/1998 |
| 5698307 | Quadlaminate fabric for surgical gowns and drapes The washable, sterilizable surgical gowns and drapes of the invention are 4-layer fabrics, incorporating a first layer of woven or knit fabric, second and third layers of a continuous microporous polyurethane film, and a fourth layer of woven or knit fabr... | 12/16/1997 |
| 5584078 | Detachable/disposable face shield for surgical mask The present invention relates to a light-weight disposable/detachable face shield for the protection of the eyes and face of wearers from accidental exposure to infectious, hazardous and undesirable substances. It is of particular interest in the protecti... | 12/17/1996 |
| 5406943 | Method of manufacturing a liquid shield The present invention provides a method of manufacturing an apparatus for shielding fluids from the eyes and face of an attendant. The apparatus and method utilize a plastic visor and face mask that are connected. The visor and face mask are secured to th... | 04/18/1995 |
| 5383450 | Liquid shield visor for a surgical mask A clear plastic visor (16) is secured to a mask (12) which is removably attachable to the face of a wearer. The visor (16) is secured to the mask (12) at bond areas (48, 50) on opposite ends of the mask (12). The visor (16) is provided with a notched keyh... | 01/24/1995 |
| 5261398 | Dental eye shield with link mounting feet for attaching to mask A shield is arranged for mounting to an individual's nose to accommodate conventional eyeglasses and the like and to protect an individual's eyes relative to flying debris during a dental procedure. The shield structure is arranged for securement to a gas... | 11/16/1993 |
| 5150703 | Liquid shield visor for a surgical mask with a bottom notch to reduce glare A clear plastic visor (16) is secured to a mask (12) which is removably attachable to the face of a wearer. The visor (16) is secured to the mask (12) at bond areas (48, 50) on opposite ends of the mask (12). The visor (16) is provided with a notched keyh... | 09/29/1992 |
| 5067174 | Protective headgear A headdress for wear by a health care professional or other person who is likely to come in contact with contaminants provides easily placeable and removable covering for the entire head area through the use of a unitized structure incorporating a headgea... | 11/26/1991 |
| 5020533 | Face mask with liquid and glare resistant visor A clear plastic visor (16) is secured to a mask (12) which is removably attachable to the face of a wearer. The visor (16) is secured to the mask (12) at bond areas (48, 50) on opposite ends of the mask (12). The visor (16) is provided with a notched keyh... | 06/04/1991 |
| 4944294 | Face mask with integral anti-glare, anti-fog eye shield A hospital face mask with an integral eye shield is disclosed. The shield prevents foreign bodies from entering a wearer's eyes, such as blood that spurts during surgery. It is made of an anti-glare, anti-fog material. In the preferred embodiment, the shi... | 07/31/1990 |
| 4635628 | Surgical face mask with improved moisture barrier A surgical face mask (10) having a pleated panel (12) for covering the nose and mouth of a wearer, and including head straps (16,18,24,26) for securing the face mask (10) to the wearer. A polyester Sontara material (36) is flame laminated and compressed w... | 01/13/1987 |
| 4037593 | Surgical mask with vapor barrier A surgical mask is provided with a vapor barrier for preventing clouding or fogging of optical aids or devices used by the wearer of the mask. The vapor barrier comprises a contoured strip of elongated soft closed cell foam material interposed between the... | 07/26/1977 |
| 3974829 | Means for preventing fogging of optical aids used by the wearer of a surgical mask A surgical mask is provided with means for preventing fogging of optical aids used by the wearer. The means comprises a strip of pliable material bonded to a layer of soft foam interposed between the upper edge of the mask and the wearer's face. An air im... | 08/17/1976 |
