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| Number | Title | Issue Date |
| 7604004 | Personal oxygen concentrator An oxygen separator for separating oxygen from ambient air utilizing a vacuum swing adsorption process has a mass of less than 2.3 kg. A carrier is mountable on a person to support the oxygen separator for ambulatory use. ... | 10/20/2009 |
| 7357134 | Underwater exhaust system An underwater exhaust system includes an exhaust valve with a valve cover operatively coupled thereto. The valve cover is adapted to create an exhaled air pocket on the water interface side of the valve. The exhaled air pocket allows the valve to operate under reduc... | 04/15/2008 |
| 7278421 | Full face flexible oxygen mask for use with flight helmets The full face flexible oxygen mask for use with flight helmets includes an elastic face seal with an oronasal cone that seals around the nose and mouth of the wearer, and flexible sealing flaps along the perimeter of the face seal to adapt the face piece of the mask... | 10/09/2007 |
| 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 |
| 7077137 | Breathing device for filtering and conditioning inhaled air A personal breathing device for filtering, diffusing, and conditioning air inhaled by a person. The device includes an eyewear frame with an attached nose piece and air-permeable membrane which is positioned to surround the nose and permit normally inhaled volumes o... | 07/18/2006 |
| 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 |
| 6983746 | Underwater exhaust system Provided are exemplary embodiments of an underwater breathing exhaust system configured to lower the exhalation, effort and to direct water adjacent an exhaust valve to reduce the likelihood of water entering the system and/or gas free flowing from the system. ... | 01/10/2006 |
| 6915801 | Combination oxygen supplement and swimming snorkel apparatus A swimming snorkel and oxygen supplement apparatus that includes a mask and a headband strap to which is mounted a snorkel device, including a snorkel tube and a mouthpiece for inspiration of atmospheric air therethrough, and an oxygen supply system for communicatin... | 07/12/2005 |
| 6907878 | Protective hood with adjustable visor A flexible hood has an upper part and a lower part formed integrally with the upper part. A visor is carried by the upper part and a filter is mounted to the lower part on an external side. In a first configuration, the visor is positioned away from a user's face to... | 06/21/2005 |
| 6895960 | Modular respirators and a method of conversion thereof A modular respirator system has interchangeable facial lenses and body seals such as a full facepiece seal or a hood. A method of conversion from a full facepiece respirator to a hood respirator, or vice versa, is also disclosed. In one embodiment, lens conversion i... | 05/24/2005 |
| 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 |
| 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 |
| 6062222 | Face mask for self contained breathing apparatus A face mask for a self contained breathing apparatus has two pairs of straps fixed to the frame of the mask, the straps being fixed to a net or woven head piece. The straps at the top of the head piece are fixed with respect to the mask, and the bottom st... | 05/16/2000 |
| 5906200 | Method for a sea-bottom walking experience and apparatus for a sea-bottom walking experience A method and apparatus for a shallow sea-bottom walking experience in which a plurality of guests are permitted to take a walk in the shallow sea-bottom with safety. A diving helmet is connected to a connecting hose which is connected to an air supply uni... | 05/25/1999 |
| 5682879 | Filter mask with eye shield A filter mask has an eye shield comprising a sheet of flexible transparent material sealed to the mask along its lower edge. That edge of the eye shield material has one or more widthwise folds so that, while the upper edge of the mask can follow the cont... | 11/04/1997 |
| 5553606 | Snorkel face mask having a light device A face mask for a snorkel device includes a beam engaged on the upper portion of the face mask for securing a light device. The beam includes a cavity formed in the middle portion. A retaining member has an upper leg engaged in the cavity and has a hook f... | 09/10/1996 |
| 5406944 | Mask with adjustable shield A face protector that includes a face mask and a transparent member, the transparent member can be adjustably positioned relative to the face of the wearer. The face mask includes fasteners for securing the mask to the face of the wearer, and the transpar... | 04/18/1995 |
| 4945574 | Protective mask A protective mask comprising an imperforate, transparent shield mounted on the brow and extending over the face of a person wearing the mask. The shield includes an anteriorly protruding portion spaced sufficiently away from the wearer's face to enable sp... | 08/07/1990 |
| 4930163 | Apparatus for supporting an eyeglass frame lens assembly in a diving or protective mask An apparatus for supporting a frame lens assembly of a conventional pair of eyeglasses having a left and right temple portion within a face mask, such as a diver's scuba mask or the like, for a period of temporary use in combination with the mask. The mas... | 06/05/1990 |
| 4709696 | Sight correction attachment for respirators A sight-corrective lens is attached between an eyepiece of a respirator and the eye of the wearer by a monocular mount into which the lens fits as if into a standard spectacle frame. Attachment devices for the mount are apertured lugs on a surround of the... | 12/01/1987 |
| 4464797 | Surgical headgear Surgical headgear, cap or other head covering having a strip of shape-retaining pliable material attached thereto and re-positionable for use to retain a pair of eyeglasses in position on the face of a wearer; and a perspiration absorptive element carried... | 08/14/1984 |
| 4387471 | Retainer for surgeon's eye glasses A retainer for a surgeon's eye glasses embodies a tape-like member with one end portion thereof extending around the nose bridge of the glasses and overlapping and detachably connected to an adjacent portion of the tape-like member. The other end portion ... | 06/14/1983 |
| 4312338 | Surgical mask A surgical mask, or other face covering, including a structure effective to prevent a pair of spectacles from sliding down along the nose of the wearer.... | 01/26/1982 |
| 4296746 | Disposable full-face surgical mask A lightweight, disposable face mask for covering the entire face of the wearer, which mask comprises a unitary shell of transparent plastic material having upper and lower portions joined at a ridge which traces the facial respiratory line. A band of flex... | 10/27/1981 |
| 4195918 | Illuminating spectacles with variable magnifying power The invention relates to illuminating spectacles with variable magnifying power, essentially comprising, in combination, a frame 1, provided with removable illuminating means, particularly by cold light, composed of light conduits 8,9 resiliently engaged ... | 04/01/1980 |
| 4105026 | Bowless eyeglasses holder Bowless eyeglasses are fixed to a mask, such as a gas mask, by a bowless eyeglasses holder. A preferred holder has a U-shaped configuration formed from a single, generally rod-shaped, resilient, elongated element. The legs of the U are adapted to engage t... | 08/08/1978 |
| 4057057 | Breathing mask, especially a half mask or a full mask provided with an inner mask A gas mask, especially a half mask or a full mask provided with an inner mask, and having protective glasses or spectacles and means for attaching them to the half mask or directly to the inner mask.... | 11/08/1977 |
| 3991753 | Device for preventing an individual from inhaling germs, foreign bodies, or the like A device for preventing an individual from inhaling germs, foreign bodies, and the like. The device includes only a single sheet of a relatively light-weight plastic material which has an outer convex surface area and an opposed inner concave surface area... | 11/16/1976 |
