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| Number | Title | Issue Date |
| 8113201 | Collapse resistant respirator A respirator including a collapse-resistant means for resisting collapse of the respirator main body due to respiration of a user during use of such a respirator is disclosed. Specifically, in various embodiments, the collapse-resisting means may be a deflection mem... | 02/14/2012 |
| 7849856 | Respirator valve A unidirectional valve, wherein the valve comprises a valve body including a frame, a valve opening through the frame, and a valve seat extending from the frame and at least partially surrounding the valve opening. The valve further includes a valve flap having a fi... | 12/14/2010 |
| 7770581 | Breathing mask A breathing mask shall has an inspiration valve (4) that can be replaced in a simple manner. The breathing valve (4) is designed for this purpose as a modular assembly unit that can be inserted into the breathing gas channel (3) from the outer s... | 08/10/2010 |
| 7493900 | Fibrous filtration face mask having a new unidirectional fluid valve A filtering face mask that has a mask body and an exhalation valve. The mask body is adapted to fit over the nose and mouth of a wearer. The exhalation valve is attached to the mask body and includes a valve seat that comprises a seal surface, an orifice that is cir... | 02/24/2009 |
| 7428903 | Fibrous filtration face mask having a new unidirectional fluid valve A filtering face mask that has a mask body and an exhalation valve. The mask body is adapted to fit over the nose and mouth of a wearer. The exhalation valve is positioned on the mask body substantially opposite to a wearer's mouth. The exhalation valve comprises a ... | 09/30/2008 |
| 7360537 | Antistatic medication delivery apparatus An aerosol medication delivery apparatus include a holding chamber having an input end and an output end and defining an interior space. In one embodiment, the holding chamber is antistatic and is made of a plastic material having a surface resistivity of between ab... | 04/22/2008 |
| 7360538 | Oxygen therapy face mask An oxygen therapy face mask has a face engaging portion and a valve assembly connected thereto. The valve assembly has a first passage communicating with the interior of the face engaging portion from which gas can flow into the face engaging portion and into a pati... | 04/22/2008 |
| 7328700 | Respiratory system and method of use A respiratory protection circuit of the type having an air flow regulator disposed in an air flow path between an air supply and a respirator is improved by including an air flow splitter and a bi-directional valve. The air flow splitter is disposed in the air flow ... | 02/12/2008 |
| 7320261 | Animal skin and eye moisture and heat simulator A new simulator of the human head and animal bodies mimics moisture transpiration from eyes and skin and heat emission. The present invention used to demonstrate and quantify anti-fogging performance of goggles and apparel. Thin water permeable membranes are mounted... | 01/22/2008 |
| 7311104 | Method of making a filtering face mask that has an exhalation valve A method of making a filtering face mask, which method includes the steps of: (a) providing (i) a valve seat that comprises an orifice and a seal surface, wherein the orifice allows air to pass therethrough and is surrounded by the seal surface, and (ii) a single fl... | 12/25/2007 |
| 7311764 | Gas mask filter canister A filter for a gas mask has an elliptical or circular, convex shape to conform to the curvature of the wearer's face, or a planar shape. The filter comprises a double particulate filter element and a double adsorption filter element configured for axial airflow ther... | 12/25/2007 |
| 7302951 | Unidirectional respirator valve A unidirectional valve, wherein the valve comprises a valve body including a frame, a valve opening through the frame, and a valve seat extending from the frame and at least partially surrounding the valve opening. The valve further includes a valve flap having a fi... | 12/04/2007 |
| 7263996 | Anion emission and anti-dust nose mask The present invention relates to an anion emission and anti-dust nose mask capable of enhancing a compatibility so that it is well adapted to various sizes and types of nose based on its flexibility, and it is possible to wear without any string based on a pressure ... | 09/04/2007 |
| 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 |
| 7213595 | Multi-stage respirator filter with TIM filter option A filter canister assembly for a gas mask comprising a primary canister with a first filter medium adapted to remove aerosols, particulate materials and droplets from air and a second filter medium comprising an adsorbent filter medium adapted to remove toxic gases ... | 05/08/2007 |
| 7210477 | Respirator hood assembly The present invention provides a respirator hood assembly that has a bag, half mask and a respirator assembly. The assembly includes a filtration unit and at least one inlet pipe containing a filter. The assembly of the invention allows for flexible filter design an... | 05/01/2007 |
| 7207334 | Respiratory mask assembly A respiratory mask assembly for delivering breathable gas to a patient includes a mask frame having a first cooperating interlocking structure. A cushion clip having a second cooperating interlocking structure is selectively detachable to the mask frame. The first a... | 04/24/2007 |
| 7207335 | Mask and vent assembly therefor A mask (10) for use with a system for supplying breathable gas pressurised above atmospheric pressure to a human or animal's airways. The mask (10) includes a mask shell (12) which is, in use, in fluid communication with a gas supply conduit ( | 04/24/2007 |
| 7201165 | Medication delivery apparatus and system having a visual indicator A flow indicating system that includes a conduit that contains a substance, wherein the conduit defines a path along which the substance primarily flows and a viewing port attached to the conduit and the viewing port prevents substantially non-ambient atmosphere gas... | 04/10/2007 |
| 7195013 | Systems and methods for modulating autonomic function In one embodiment, a method for modulating a person's autonomic function comprises interfacing a valve system to the person's airway, the valve system being configured to decrease or prevent respiratory gas flow to the person's lungs during at least a portion of an ... | 03/27/2007 |
| 7195015 | Breathing apparatus An inhalation opening 6 and an exhalation-opening 4 are formed in the facepiece 2 of a breathing apparatus 1 and the openings can be closed with an inhalation valve 8 and exhalation valve 7, respectively. If a person wearing... | 03/27/2007 |
| 7195012 | Systems and methods for reducing intracranial pressure In one embodiment, the invention provides a device for decreasing intracranial or intraocular pressures. The device comprises a housing having an inlet opening and an outlet opening that is adapted to be interfaced with a person's airway. The device further includes... | 03/27/2007 |
| 7191778 | Respiratory mask with an air-impermeable shield A respiratory mask includes a shield and a mask body. The shield includes an air-impermeable bent sheet that defines a rim-receiving recess. The mask body is detachably connected to the shield and includes a rim that is received in the rim-receiving recess and that ... | 03/20/2007 |
| 7188622 | Filtering face mask that has a resilient seal surface in its exhalation valve A filtering face mask 10 that has a mask body and a new exhalation valve 14. The mask body is adapted to fit at least over the nose and mouth of a person to help define an interior gas space when the mask is worn. The exhalation valve 14 permits... | 03/13/2007 |
| 7185652 | Gas delivery connection assembly A patient gas delivery apparatus includes a mask structured to communicate with a patient's airway, a gas flow generator structured to supply pressurized gas, a gas delivery conduit having first and second opposing ends, the first opposing end being connected to the... | 03/06/2007 |
| 7185649 | Systems and methods for increasing cerebral spinal fluid flow In one embodiment, the invention provides a device for decreasing intracranial or intraocular pressures. The device comprises a housing having an inlet opening and an outlet opening that is adapted to be interfaced with a person's airway. The device further includes... | 03/06/2007 |
| 7174893 | Mask with anti-asphyxia valve An anti-asphyxia valve includes at least one flap having a first portion adapted for mounting to the housing and a second portion adapted to flex between a first open position allowing gas to pass from the patient side to the housing interior through the at least on... | 02/13/2007 |
| 7152600 | Biohazard mask suitable for civilians A biohazard mask for civilian use comprises bidirectional HEPA filtering to protect both personal and public health during an outbreak. Several measures are taken to maximize comfort and wearability, such as comfort-fit through a gel seal, anti-fogging protection th... | 12/26/2006 |
| 7134434 | Pressure support system and method and a pressure control valve for use in such a system and method A pressure support system having enhanced noise reduction and a valve assembly for use in pressure support system. The pressure support system includes a pressure generator having an inlet and an outlet. A first conduit defining a tortuous path is coupled between a ... | 11/14/2006 |
| 7117868 | Fibrous filtration face mask having a new unidirectional fluid valve A filtering face mask that has a mask body and an exhalation valve. The mask body is adapted to fit over the nose and mouth of a wearer. The exhalation valve is attached to the mask body and has a valve seat that includes a seal surface and an orifice that is circum... | 10/10/2006 |
| 7114496 | Filter cartridge with integrated inhalation and exhalation valves The present invention is a filter cartridge with integrated inhalation and exhalation valves. The exhalation valve integrated into the filter cartridge prevents unfiltered air from being inhaled. The inhalation valve(s), also integrated into the filter cartridge, ef... | 10/03/2006 |
| 7096867 | Nasal masks The present invention is related to patient interfaces, such as nasal masks (2), particularly though not solely for use in providing continuous positive airway pressure therapy or positive pressure ventilation to patients suffering from obstructive sleep apno... | 08/29/2006 |
| 7093596 | Connection component for a respirator product A connection component for a detachable component on a respirator product is provided with which the component can be connected to the respirator product in a simple manner. A bayonet connection (6, 7) is provided between the component and the respirator prod... | 08/22/2006 |
| 7093302 | Helmet assembly with accessory attachment features A helmet assembly includes dedicated features that are configured to matingly engage with a mating structure attached to a distinct accessory unit. The corresponding mating configurations enable the operable securement of one or more of such distinct accessory units... | 08/22/2006 |
| 7089939 | Gas delivery connection assembly An anti-asphyxia valve is adapted to, in use, be disposed between a patient and structure to deliver a breathable gas to the patient. The valve includes a housing having an interior, at least one port to provide fluid communication between the housing interior and a... | 08/15/2006 |
| 7089940 | Balanced valve device and breathing apparatus comprising such valve device A valve device, particularly for a breathing regulator for divers, including an inlet chamber which can be connected to a source of gas under super-atmospheric pressure, and an outlet chamber which is under a regulated pressure. A seating, which is movable under the... | 08/15/2006 |
| 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 |
| 7077126 | Inhalation therapy mask and device for animals To increase the accuracy of the administration of doses of inhalation therapies for animals, the invention proposes a two-part inhalation mask for animals in which each mask part (9) comprises an aerosol chamber (1) and an adaptation chamber (2)... | 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 |
