Matches 1 - 50 out of 112 1 2 3 >
Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
7028688 Operationally adaptable chemical-biological mask  
A chemical-biological protective mask having a weight distribution that imparts a balanced center-of-gravity to the wearer of the mask, and is adaptable for different operational requirements by...
7013896 Mask with inhalation valve  
A mask for use in inhaling a substance includes a mask housing defining a chamber. The housing has an inlet and an outlet communicating with the chamber. A valve is disposed in the inlet and is...
7007695 Manner of attaching component elements to filtration material such as may be utilized in respiratory masks  
A component is attached to filtration material by providing the component with a deformable extension member that is preferably integral with the component and that extends from a base portion of...
6860267 Self-sealing filter connection and gas mask filter assembly incorporating the same  
A gas mask having a filter canister mount including an inhalation valve and a self-sealing mechanism that prevents air inflow when a filter canister is removed from the canister mount. In one...
6854463 Filtering face mask that has a new exhalation valve  
Filtering face mask 10 has a mask body 12 and an exhalation valve 14. The mask body 12 is adapted to fit over the nose and mouth of a person, and the exhalation valve 14 is attached to...
6805124 Face mask that has a filtered exhalation valve  
A filtering face mask that covers at least the nose and mouth of a wearer and that includes an exhalation valve. The exhalation valve opens in response to increased pressure when the wearer exhales...
6758212 Personal emergency breathing system  
The breathing system includes an elastic, non-porous body housed within an outer protective shell. The body terminates at its forward end in a protective cap and an air inlet passage and at its...
6736137 Protective hooded respirator with oral-nasal cup breathing interface  
The present invention is a protective hooded respirator optimized for both high protection against nuclear, chemical and/or biological agents as well as having a design configuration enabling it to...
6729331 Pressure regulator  
A pressure regulator suitable for use as a breathing demand valve in self-contained breathing equipment comprising a first chamber incorporating an inlet port having an inlet valve therein,...
6659102 Oxygen mask filter system  
An oxygen mask filter system for preventing the transmission of a disease from a patient to medical personnel. The oxygen mask filter system includes a face mask having an interior surface and an...
6553989 Self-contained breathing apparatus with emergency filtration device  
A self-contained breathing apparatus (SCBA) that includes an emergency filtration device for use in the event of an SCBA malfunction or exhaustion is described. The SCBA may include an air supply,...
6543450 Survival mask  
A simple, lightweight, easily deployable mask designed for use in modern fires. The mask substantially covers a wearer's face and includes a peripheral adhesive seal for preventing contaminants...
RE37974 Uni-directional fluid valve  
A uni-directional fluid valve particularly for use as an exhalation valve for a filter mask comprises a flexible flap attached at one end to a concave portion of a seat. The mounting of the flap...
6484723 Tracheostomy air filtration system  
In the present invention, personal air filtration unit sold as SMARTMOUTH™, a trademark for a personal air filtration unit comprised of an outer activated carbon pre-filter and an inner filter...
6415793 Dual direction valve system  
A dual direction exhalation valve is disclosed herein. The exhalation valve includes first and second sealing discs which are each movably mounted within a housing. The first sealing disc includes...
6394091 Breathing apparatus  
A breathing apparatus includes a regulator which delivers air to a user wearing a mask. The regulator is connected to the mask through an adaptor. The adaptor includes an exhalation valve which...
6338340 Filter mask  
A filter mask is provided for use in environments of smoke and toxic gas which includes a filter element having a filling of shiftable bodies coated with a flowable, aloe vera extract having a...
6192876 Inhalation apparatus and method  
An apparatus for and a method of ensuring the fit of a face mask to the face of a patient, the apparatus including a face mask having an inlet through which gas can be inhaled and a sensor for...
6055983 Respirator filtration device  
A novel filtration device having a substantially rigid frame comprised of an outer peripheral band connected by a plurality of spacers to an inner breather tube, wherein filter pads are secured...
5979444 Portable CPR breathing apparatus  
A breathing assisting device. The device includes a face mask and an oxygen dispenser which alternately injects oxygen (i) into the mask during an inhalation phase, and (ii) into a conveying piece...
5967142 Method for connecting two components, especially in the assembly of diaphragm valves  
A valve diaphragm 14 is connected to a valve base 11 by locating the diaphragm on upstanding posts 18 which are formed integrally with the valve base, and then cutting and simultaneously deforming...
5944013 Resuscitator  
A manual resuscitator controls the portion of gas delivered from the ventilation bag to the patient responsive to which of a plurality of masks the ventilation bag is connected. Different sized...
5941244 Dustproof mask  
A dustproof mask comprises a filter unit disposed inside a mask cover. The filter unit is provided with a baggy filter having an inhalation hole in a position corresponding to a mouth of a user. A...
5937857 Backpressure-modulating cartridge for breathing mask  
A backpressure-modulating cartridge for a breathing mask includes a body defining a first chamber which communicates with the environment, a second chamber which communicates with the mask, and a...
5886032 Method of treating cyanide poisoning  
A method of treating an animal having a condition associated with the presence of cyanide in quantities sufficient to cause undesirable symptoms which comprises administering to the subject a...
5860168 Dive mask  
A dive mask having a drain and deflector flow guide soft skirt. The flexible skirt has a built-in purge valve and a nose compression recess on each side of a nose enclosure. The skirt thus exhausts...
5848589 Altitude mask simulator  
A training mask for replicating the decrease in oxygen density and the increased breathing effort at higher altitudes. The mask has a nasal portion for covering the user's nose and a lower portion...
5782235 Valved filter connection piece for a gas mask  
A combination of a first breathing connection of a gas mask with an insert which can be inserted into the breathing connection for connecting filters to the gas mask is to be improved in terms of...
5771885 Exercise filter  
An exercise filter assembly comprises a housing with removable filters and two one-way valves. The filters remove any particulate matter three microns or greater from the air stream. The one-way...
5749359 Portable air conditioner  
A personal portable air conditioner or air purifier with a carrying arrangement, which includes a neck strap (11), delivers conditioned or purified air to the head/facial area of the user. The...
5735265 CPR face mask with filter protected from patient-expired condensate  
A CPR face mask has a face engaging part positionable on the face of a patient to surround at least the mouth of the patient. An air flow control valve is carried by the face engaging part and has...
5724963 Portable air respirator  
A portable filter for a compressed air system is described. The filter is intended to be worn by an operator, and contains a diverter valve whereby air from a remote air compressor enters the...
5720279 Semiclosed respirator  
The constituent parts of a semiclosed respirator (1) are all set in a housing (2). When a push button (616) of a mouthpiece unit (6) is pressed with a chewing piece (617) held between upper end...
5704348 Breathing valve  
A breathing valve with a valve disk lying on a valve crater and with a valve spring, which is in contact with the valve disk. A first spring end is provided in contact with a support surface and a...
5704347 Breathing valve  
A breathing valve with a valve disk lying on a valve crater and with a valve spring, which is in contact with the valve disk with a first spring portion and with a support surface with a second...
5697105 Hunting mask  
A facial mask eliminates odors from the exhalation of a wearer while permitting detection by the wearer of odors a the surrounding environment. In the preferred embodiment, the invention takes the...
5592935 Positive/negative air pressure adaptor for use with respirators  
A positive/negative air pressure adaptor for a respirator system. The positive/negative air pressure adaptor has a port region for fluidically coupling a filter cartridge to a respirator. The...
Matches 1 - 50 out of 112 1 2 3 >