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| Number | Title | Issue Date |
| 7647928 | Inhalation device and inhalation device component The invention relates to a component for an inhalation device comprising a first flow channel for inhalation, a second flow channel for exhalation, a mouthpiece forming a part of the first flow channel, a filter assigned to the second flow channel and a protection e... | 01/19/2010 |
| 7120940 | Breathing mask adjuster A helmet is particularly well suited for cold-weather use. The helmet includes a jaw shield that is detachable from a head portion. A breathing mask connects to the jaw shield via a mask adjustment mechanism that selectively axially moves the breathing mask toward a... | 10/17/2006 |
| 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 |
| 7013891 | Respirators A respirator (1) comprises an inner, oronasal, mask (2) enclosed within an outer, face sealing, mask (3) so as to define a cavity (4) therewith, a screw-threaded air inlet (5) for conducting inhaling air to the interior of the inne... | 03/21/2006 |
| 6928662 | Cold-weather helmet with removable jaw shield A helmet is particularly well suited for cold-weather use. The helmet includes a jaw shield that is detachable from a head portion. A breathing mask connects to the jaw shield via a mask adjustment mechanism that selectively axially moves the breathing mask toward a... | 08/16/2005 |
| 6920880 | Mask defogging system and method A method for purging air in a goggle area on the interior of a face mask is provided. A mouthpiece is positioned in front of a mouth of a person. Positive purging of air in the goggle area on the interior of the face mask is assured by permitting air to flow from th... | 07/26/2005 |
| 6859946 | Cold-weather helmet with breathing mask breathing air from inside the helmet A helmet is particularly well suited for cold-weather use. The helmet includes a jaw shield that is detachable from a head portion. A breathing mask connects to the jaw shield via a mask adjustment mechanism that selectively axially moves the breathing mask toward a... | 03/01/2005 |
| 6651661 | Ergonomic face mask An ergonomic face mask is provided for the administration of gas under a positive pressure to a patient. The face mask includes a cushion that provides a seal with the patient's face, and a dome connected to the cushion that receives a connection tube for... | 11/25/2003 |
| 6615829 | Feeding apparatus for breathing masks that allows food and drink intake when the mask is in use A feeding valve having a hose coupling in the form of an expansion bellows which unfolds automatically into the wearer's field of vision when the sealing cap of the feeding valve is opened, thereby enables a wearer to easily insert the straw of a food or ... | 09/09/2003 |
| 6460539 | Respirator that includes an integral filter element, an exhalation valve, and impactor element A negative pressure respirator 20' that has an integrally-disposed filter element 28 and that covers at least the nose and mouth of a wearer. The respirator 20' includes an exhalation valve 22 and an impactor element 50 that covers the exhalation valve 22... | 10/08/2002 |
| 6354296 | 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... | 03/12/2002 |
| 6325116 | Adapter for providing fluid control between a canteen and a face mask fluid tube A canteen especially useful in extreme environments includes a hollow watertight container adapted to hold a quantity of a drinking fluid. An adapter allows the canteen to be sealed with a gas mask adapter depending from the face mask, in such a manner as... | 12/04/2001 |
| 6237596 | Disposable mask and suction catheter A disposable mask and suction catheter includes a mask having a front side and a back side, the back side being disposed in contact with a user's face during use. The disposable mask and suction catheter also includes a catheter tube having a first and a ... | 05/29/2001 |
| 6145504 | Mask for preventing permeation of foreign material A mask for preventing passage of a liquid type foreign material of the invention is formed of a liquid absorbing layer for absorbing the liquid type foreign material applied thereto, and a liquid transmission prevention layer disposed on the liquid absorb... | 11/14/2000 |
| 5871011 | Apparatus for delivery of gas to patients Apparatus (10) is provided for controlled delivery of gas to a patient. The apparatus is particularly useful for delivery of anaesthetic gases in circumstances where the patient is conscious and able to receive gas upon demand and also where ventilation i... | 02/16/1999 |
| 5724964 | Disposable face mask with enhanced fluid barrier A disposable face mask that includes a filter body capable of filtering liquids and/or particles of a size appropriate for the mask's intended purposes, while providing excellent breathability and comfort to the wearer for extended periods of time. The fi... | 03/10/1998 |
| 5694927 | Disposable mask and suction catheter A disposable mask and suction catheter includes a mask having a front side and a back side, the back side being disposed in contact with a user's face during use. The disposable mask and suction catheter also includes a catheter tube having a first and a ... | 12/09/1997 |
| 5676133 | Expiratory scavenging method and apparatus and oxygen control system for post anesthesia care patients An apparatus and method for preventing contamination of the Post Anesthesia Care Unit of A Hospital by the use of a mask sealed to the patient's face and connected by a ventilator circuit to an airator that pulls a vacuum to exhaust the patient's expirati... | 10/14/1997 |
| 5570684 | Heating and humidifying respiratory mask A light-weight face mask can heat and humidify inhaled air with previously-exhaled air by passing the air through a highly-effective and highly-efficient heat exchanger disposed within the mask. The heat exchanger has a multitude of layers of metallic mes... | 11/05/1996 |
| 5524615 | Ventilator airway fluid collection system The ventilator airway fluid collection system permits the maintenance of PEEP in a patient breathing circuit when a fluid collector vial is removed. A fluid collection vial is connected to the airway from which fluid is to be collected by connection to an... | 06/11/1996 |
| 5488947 | Sleep aid device A sleep aid device comprises a mouthpiece assembly with bit elements extending therefrom. An air assembly extends from the mouthpiece assembly and includes a humidification chamber therein. The humidification chamber comprises a plurality of cones therein... | 02/06/1996 |
| 5479918 | Breath controller A breath controller prevents fogging of the face shield of a helmet during cold weather. The breath controller comprises a facepiece that fits comfortably over a person's chin, mouth, and nose. One end of a sleeve is held in a sole opening in the facepiec... | 01/02/1996 |
| 5435299 | Respiratory mask A respiratory mask for use in relatively cold environments configured to fit over the nose and mouth of the wearer. The mask is constructed of an insulating material with a flow-through opening therein in spaced alignment with at least the mouth of the we... | 07/25/1995 |
| 5433192 | Breathing mask having a cellulose heat and moisture exchanger formed therein The invention relates to a breathing mask comprising a mask portion (1) covering the mouth and nose of the wearer and a heat exchanger portion (2) made of a material capable of recovering heat and fitted in the mask portion (1), inhalation and exhalation ... | 07/18/1995 |
| 4974586 | Breathing mask A breathing mask is provided which comprises an exhaling valve disposed in an opening of the breathing mask wall. The exhaling valve includes a thin diaphragm which is adapted to be moved by the breathing pressure during inhaling and exhaling either towar... | 12/04/1990 |
| 4961420 | Gas mask for operation in contaminated areas A gas mask is provided which includes a facepiece including a front portion of semi-rigid rubber highly resistant to chemical agents and a sealing skirting of soft rubber having a high mechanical resistance, co-vulcanized with the front portion of the fac... | 10/09/1990 |
| 4941467 | Humidification face mask A humidification face mask comprises an inner mask member and an outer mask member which are bonded together in a sealed manner along the lower and side edges to define therebetween a concavity for receiving therein a moisturizing pad. The inner and outer... | 07/17/1990 |
| 4920960 | Body fluids barrier mask A face mask (10) is provided for covering the mouth and nose of a wearer (14). The mask (10) prevents the passage of liquid from external to the mask to the face of the wearer (14). The mask (10) has four layers including a special low density polyethylen... | 05/01/1990 |
| 4841963 | Accessory for gas masks and gas masks equipped therewith A gas mask and accessory therefor having the capability to connect the inside with the outside environment in both the intake of food and the removal of perspiration. The accessory has a slide valve that is biased closed, an elastic drinking straw grippin... | 06/27/1989 |
| 4712594 | Liquid storage and delivery system for protective mask A liquid storage and delivery system for use with protective masks having hand-operable bulb siphon pumps in line with conduits extending from a canteen assembly to the drinking mouthpiece of the protective mask. The system includes structure to allow a u... | 12/15/1987 |
| 4583246 | Scavenging apparatus for life support suit helmet An apparatus for scavenging vomitus from the interior of the helmet of a life support suit comprises a normally furled mask (10) defined by a sidewall structure (20) connecting to a suction conduit (90). The mask is expanded into registry with the mouth o... | 04/22/1986 |
| 4537189 | Breathing device An effluent receiver 32 associated with a mask 12 of the type provided with a face portion 22 adapted to be spaced away from the face of the wearer to provide a breathing cavity 26 between the wearer's face and mask. Sealing means 24 associated with the f... | 08/27/1985 |
| 4505310 | Liquid storage and delivery system for protective mask A liquid storage and delivery system for protective masks has a hand-operable bulb siphon pump in line with conduits extending from a canteen assembly to the drinking mouthpiece of a protective mask. The canteen assembly includes structure adapted to flex... | 03/19/1985 |
| 4249527 | Continuous positive airway pressure administrating apparatus An apparatus for delivering continuous positive airway pressure to a patient (e.g., an infant) includes a cradle assembly for firmly and adjustably supporting the head of a patient to whom continuous positive airway pressure is to be delivered, a support ... | 02/10/1981 |