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7373943 Self-contained breathing apparatus facepiece pressure control method  
An electro mechanically-assisted control system for use in a second-stage regulator. Regulator control assembly ( 20′ ), also referred to as all-electronic (AE) assembly ( 20′ ), includes an...
7347206 Control group of a second-stage regulator for scuba divers  
A group for controlling a second-stage regulator for scuba divers. The regulator comprises a regulator body with an inlet conduit for connection to a first-stage regulator which supplies a...
7328699 Diving mask  
A diving mask includes a nose cover and a valve seat of a drainage mechanism having a check valve formed in the vicinity of the nose cover. The nose cover and the value seat are formed from an...
7304571 Firefighter locator with activator  
A device for activating a signal emitter for use in a firefighter locator system operates in conjunction with the firefighter's self-contained breathing apparatus (SCBA). The activation device...
7182081 Protective breathing hood  
A protective breathing hood comprising a hood made of a stretchable fire resistant material and which is also impermeable to gases and biologic material. The hood is sized and shaped for placing...
7174892 Regulator for underwater breathing devices  
Regulator for underwater breathing devices including a relatively hard material box-like body having a pipe for the connection with a mouthpiece, at least one air inlet duct and at least one...
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...
7111625 Demand valves for breathing apparatus  
There is described a demand valve for a breathing apparatus with a “first breath” mechanism, wherein a demand valve is held closed by resiliently latching an operating diaphragm of the valve in...
7100628 Electromechanically-assisted regulator control assembly  
An electromechanically-assisted control system for use in a second-stage regulator. Regulator control assembly ( 20 ), also referred to as EMA assembly ( 20 ), includes a mechanical actuator...
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...
7089931 Respirators  
A respirator ( 1 ) having a plurality of internal masks ( 2, 3 ) within an external mask ( 4 ), the inner masks ( 2, 3 ) being linked by ducts ( 8, 9 ) so as to direct the inhaled air from the...
7066177 Exhalation valves  
An exhalation valve ( 10 ) is disclosed for use with an exhalation port ( 14 ) of a respiratory circuit. The exhalation valve comprises a hermetically sealed gas chamber ( 20,120 ), a gas inlet (...
7032591 Snorkel with improved purging system  
A snorkel for use in swimming. The snorkel includes an elongate breathing tube having an upper portion and a lower portion. A lower opening is formed in the lower portion and an upper opening is...
7028687 Escape hood  
An escape hood, comprising a respirator, having an air filter suitable for filtering toxic air contaminants and positioning members to retain the respirator in a respiratory path of the user; an...
7011089 Sub-aqua breathing system  
A sub-aqua breathing system which enables a person operating underwater to breathe air from a compressed air tank supported on the water surface. The system includes a housing containing both a...
6997181 Personal hydration device  
A personal hydration device providing fluid delivery to an external mouthpiece and a gas mask mouthpiece is disclosed. The personal hydration device includes a container having an exit port and an...
6981500 Respiratory tube without fastening assemblies  
A front-worn respiratory tube without fastening assemblies namely fastening rings, hooks, buttons, clamps, sheaths or strips, includes a head-top-portion tube, a forehead-portion tube, a...
6976490 Therapeutic single dose gas administration system  
A system (A) for providing single continuous dose of a gaseous heliox mixture to a patient with breathing difficulty includes a device ( 1 ) providing a constant and continuous flow of the heliox...
6957652 Regulator for diving  
Here is disclosed a regulator for diving free from any possibility that smooth operation of respective components might be obstructed due to the presence of impurities in the air supplied from an...
6932085 Second stage swivel regulator  
A second stage regulator and a method for using the regulator is provided. The second stage regulator has a unique design to facilitate rotation of the mouthpiece about the regulator. The...
6929006 Device and process for metering breathing gas  
A respirator with a tidal volume-measuring device ( 6 ) between a respiration bag ( 8 ) and a patient adapter ( 2 ) provides accurate metering of the tidal volume. The device includes a first...
6923177 Underwater breathing device  
A versatile underwater breathing device which comprises, a pressurized gas reservoir or tank ( 21 ), a buoyancy bladder ( 72 ), bladder inflation control means ( 76 ), a breathing regulator ( 32 )...
6834649 One-way valve on diving mask  
The present invention relates to a one-way valve including an inner base, a valve plate, an outer base, and a lid incorporating on a hole under a nose cover of a diving mask. The valve plate lying...
6755192 Apparatus for preventing or minimizing decompression illness in a scuba diver  
An apparatus for preventing or minimizing decompression illness in a scuba diver, consisting of a first safety bar, at least one first cable attached to the first safety bar, and an oxygen delivery...
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,...
6718971 Feeding apparatus for breathing masks that allows food and drink intake when the mask is in use  
This invention relates to a feeding apparatus for breathing masks that allows food and drink intake when the mask is in use, does not reduce the wearer's field of vision, requires little space, and...
6681589 Space suit backpack using solid adsorbents for cryogenic oxygen storage, freezeout of carbon dioxide and moisture, and ice heat sink  
A portable life support system includes a primary oxygen supply in thermal communication with a recirculated ventilation flow from a user. The primary oxygen supply has a solid adsorbent bed made...
6679253 Automatic water stopper for snorkel  
An automatic water stopper for snorkel mainly includes from bottom to top a lower case having radially equally spaced upright air tubes, a float and a water-stopping diaphragm having corresponding...
6622722 Water preventing equipment of a snorkel  
The present invention relates to a water preventing equipment fo a snorkel, that attaches to the end of a snorkel, which includes an embodiment and a cover. The embodiment contains a first room and...
6619286 Pressure regulator for a respirator system  
A regulator assembly is provided for use in a respirator system to supply a regulated flow of air to a respirator head piece. The respirator assembly comprises a housing ( 15 ) having an air inlet...
6619285 Ambient air breathing device  
An automatically closing ambient air device is disclosed having a generally conical passageway, containing an inlet for the flow of fluid from the ambient environment into the passageway and an...
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...
6520177 Device for providing protection against hypoxia, usable in a hostile environment  
The device has a face cover, a mouth-and-nose mask, and fasteners for holding the face cover on the face. The face cover is provided with a flexible gasket surrounding the eyes, a sea means at its...
6516797 Breathing structure of snorkeling apparatus  
A breathing structure of snorkeling apparatus of present invention is characterized in that a ventilating valve is provided between a space formed by tube body under main tube with main body under...
6513525 Triplicate diving gas valve device  
Triplicate Diving Gas Valve Device, comprising: a siren unit, a Life Coat Inflation unit and a User's Respiration Unit. The Siren drives its alarm sounding by reciprocating pounding of piston in a...
6443154 Apparatus for the supply of a breathing gas  
An apparatus for supplying a breathing gas to a patient has a gas supply for generating a flow of breathable gas during an inspiration and an expiration phase of a patient breathing cycle. An...
6435178 Swim mask with floating air-suction device  
A swim mask apparatus having a mask equipped with a floating air-suction device is provided. The mask includes a plurality of straps extending from two lateral sides thereof to firmly attach the...
6408844 Breathing apparatus  
A breathing apparatus adapted for use in combination with a tube for swimming, the breathing apparatus includes a floatable body having a hollow case for floating over water level and an opening;...
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...
6371109 Dive mask pressure relief device  
A dive mask pressure differential control device is disclosed for protecting a diver from the injurious effects of pressure differentials that can occur inside the dive mask as the pressure of the...
6371108 Dryest snorkel  
The instant invention is a skin diving snorkel having a conduit with an end above the water surface, and an underwater end that terminates in a mouthpiece. The mouthpiece provides a flow path...
6363929 Snorkel having a secure yet adjustable strap hook  
A snorkel with a unique strap hook and snorkel tube arrangement which permits both selective release and adjustment of the strap hook, but only when release or adjustment is desired and not by...
6340024 Protective hood and oral/nasal mask  
An improved oral/nasal mask-hood is provided for protection of individuals in the event of fire or smoke exposure. When attached to a supplemental supply of oxygen the mask-hood also provides...
6332464 Scuba diving regulator  
A scuba diving regulator includes a casing, a mouth piece, an air valve unit, an audio unit, a nozzle unit, an air charge unit and an air discharge unit. The casing has an alarm connector, a...
6318363 Hydrodynamic and ergonomic snorkel  
A snorkel is designed for swimming is shaped to offer a minimum of drag to permit the user to expend less energy while moving with greater speed through the water. The lower portion of the snorkel...
6302102 Dual air passage snorkle  
A "dry" diving snorkel having an elongated body and separate air inlet and exhaust passages defined in the body. The snorkel body is of an arcuate configuration and the lower side of the body upper...
6295983 Foldable snorkel  
Aeration tube provided on its lower end with a mouthpiece (2) and on its upper end with an air intake hole (41), such tube consisting in its length of two or more tubular elements (1, 3) connected...
6206000 Canine scuba diving apparatus  
The invention is a special modified scuba diving apparatus intended for use by an animal, and more specifically the famous diving dog "Shadow." The invention includes a helmet, a harness for...
6167882 Delivery conduit for a breathing equipment  
Breathing equipment for use in toxic atmospheres or beneath water including a breathing mask, a pressure regulator adjacent the source of breathing gas, and a source of breathing gas. A conduit...
6129081 Structure of snorkel  
A snorkel includes a rigid main tube, a Y-branch connected to the bottom end of the main tube by a flexible tube to hold a mouthpiece, wherein the main tube has a filter at a curved top end...
Matches 1 - 50 out of 190 1 2 3 4 >