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| Number | Title | Issue Date |
| 7882833 | Periphery view mask and remote breathing assembly A remote breathing assembly includes a periphery viewable goggle or mask, intake and return air-tubes sealably connected to the goggle, and a breathing apparatus coupled to the tubes opposite the goggle. The goggle includes a transparent lens having a front section ... | 02/08/2011 |
| 7798142 | Valve system for underwater diving equipment A tubular body is operatively coupled to an oral nasal mask and provided with lateral apertures adapted for fluid flow. A flexible valve is mounted onto one end of the tubular body and adapted to seal the lateral apertures under normal operation conditions and expos... | 09/21/2010 |
| 7779833 | Diving helmet A diving helmet (10) of the type having an air supply pumped to it during use. The helmet (10) including a head portion (12) substantially formed from a transparent material such that a user can see both forwardly and rearwardly. The helmet (... | 08/24/2010 |
| 7677244 | Drug delivery device and method Breathing apparatus for medicating an airstream, compring a breathing apparatus (139), a medication chamber (138) adapted to store and discharge a therapeutic agent, a delivery pathway (141) between the chamber (138) and an intake air pat... | 03/16/2010 |
| 7621267 | Scuba mask purging apparatus and method A scuba mask purging apparatus and method providing selective introduction of pressurized air into a scuba mask to initiate purging, pressure balancing, and de-fogging. An inlet valve, typically positioned conveniently on the top or the side of the mask may control ... | 11/24/2009 |
| 7621268 | Low physiological deadspace snorkel A snorkel has an inhalation tube and a check valve near a mouthpiece which allows air to flow toward the mouthpiece, and a float valve which closes the inhalation tube. An exhalation tube has a second check valve also located near the mouthpiece which only allows ai... | 11/24/2009 |
| 7448378 | Information processing device for diver, control method, control program and recording medium thereof, diving equipment, control method of diving equipment An information processing device for a diver used for diving by using a plurality of mixed gases in which the mixture ratios of a plurality of diving gases are the same or different determines the switch timing of the mixed gas on the basis of a preset scheduled div... | 11/11/2008 |
| 7406964 | SCUBA walk improved underwater breathing apparatus An improved underwater breathing apparatus includes a gas- and liquid-tight helmet, with an attached air valve, tank coupling and tank bracket. The helmet further includes a flange generally conforming to the shoulders of a user, and incorporates ballast material. T... | 08/05/2008 |
| 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 |
| 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 breathable gaseous mixture at a constant pressure and an outlet conduit for c... | 03/25/2008 |
| 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 elastic material which is integral with a soft elastic material forming t... | 02/12/2008 |
| 7313483 | Dive computer and method for determining gas formation The invention disclosed herein employs an algorithm, the Gas Formation Model (“GFM”), to calculate the formation of free gas in a human body. The GFM is based on a novel theory of the formation of free gas relative to the physiology of the human cardiovascular s... | 12/25/2007 |
| 7278422 | Open-circuit self-contained underwater breathing apparatus A self-contained open-circuit breathing apparatus for use within a body of water naturally containing dissolved air. The apparatus is adapted to provide breathable air to a diver. The apparatus comprises an inlet means for extracting a quantity of water from the bod... | 10/09/2007 |
| 7275536 | Device for varying the length of a strap on a mask for aquatic activities A device is disclosed for adjusting the length of a strap on a mask for aquatic activities. The mask comprises a frame for supporting one or more lenses and a plurality of fork-shaped portions extending from either side of the frame. Each portion contains a pivot ab... | 10/02/2007 |
| 7273052 | Pneumatic sealing system for protection masks A pneumatic sealing system for a gas mask, which seals the mask to the face of the user by using a pump that employs air from inside the gas mask to variably inflate a mask seal during the breathing cycle. A double diaphragm pump, which has a driving diaphragm and a... | 09/25/2007 |
| 7234461 | Arching snorkel A snorkel and snorkel system are disclosed. The snorkel includes an arching breathing tube with a mouthpiece at a first end and a breathing port at a second end. The arching breathing tube preferably arches through a range of angles between 240 and 300 degrees and m... | 06/26/2007 |
| 7234463 | Periphery view goggle and remote breathing assembly A remote breathing assembly includes a periphery viewable goggle, an air-tube, and a remote breathing apparatus. The goggle includes a transparent lens having a front section that defines a lateral front length, and left and right sections that extend transversely f... | 06/26/2007 |
| 7222621 | Breathing tube fastening structure The invention relates to a “breathing tube fastening structure”, mainly comprising a fastener, buckle, pipe hoop, snatch-hook and snatch-hook stand and snatch-hook stand. The invention is fixed on the exterior of the lateral side of a head strap. The char... | 05/29/2007 |
| 7191779 | Snorkel with whistler Provided is a snorkel having a whistler. In one embodiment, the whistler is mounted on a breathing tube. A swimmer wearing the snorkel may seize the whistler by the mouth prior to making a clear, shrill sound by activating the whistler. ... | 03/20/2007 |
| 7174844 | Simulator and method for performing underwater submarine escape training The simulator of the present invention comprises a submersible structure to be used in a body of water, for instance a pool. This structure comprises a bell defining a main chamber. An escape tower is provided over the bell. This escape tower defines an escape chamb... | 02/13/2007 |
| 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 opening on which-it is positioned one air exhaust valve. The regulator box-... | 02/13/2007 |
| 7165546 | Nitrous oxide based oxygen supply system A self-contained system which converts nitrous oxide to a breathable gas mixture of nitrogen and oxygen. In the preferred embodiment of the present invention, a portable system is disclosed wherein liquefied nitrous oxide is converted to a breathable gas mixture of ... | 01/23/2007 |
| 7165545 | Splash protection device for snorkel A splash protector mounted at top of snorkel is disclosed and includes a tube-shaped adapter unit secured to the snorkel and including a passage; a float unit pivotably secured to the adapter unit and including a projected lever and two upper engagement members (e.g... | 01/23/2007 |
| 7159528 | Snorkel apparatus and methods of use Disclosed is an apparatus and methods for a plurality of users to work and/or play underwater with a supply of breathable air. The breathable air is taken from the atmosphere above the surface of the water. The air is sent to one or two submerged users. The apparatu... | 01/09/2007 |
| 7156092 | Emergency air supply worn as normal apparel Provides an emergency air supply system that is worn around the arm, presumably the wrist, and intended for use in air restrictive emergency conditions. Primarily it has been designed for the need to improve safety for water recreation or water sports where an indiv... | 01/02/2007 |
| 7144198 | Diver information processing apparatus and method of controlling same To provide safety-ensuring information that is considered to enhance safety in accordance with the movement of the diver's body in the water. An information processing device is provided that is worn on the diver, and has an external sensor unit 5 to measure ... | 12/05/2006 |
| 7134433 | Snorkel clip Here is disclosed a snorkel clip comprising a first clip member attached to a strap of a face mask for swimming or diving and a second clip member to which a breathing conduit of the snorkel is attached. The first clip member has a guide enabling the second clip mem... | 11/14/2006 |
| 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 a position wherein the valve is closed. The diaphragm is resiliently... | 09/26/2006 |
| 7100603 | System for providing protection from reactive oxygen species Method, apparatus and breathable compositions for protecting a person from reactive oxygen species in the body are described. The invention involves providing a person with a breathing gas composition comprising at least one fuel gas compound. Apparatus and methods ... | 09/05/2006 |
| 7089929 | Snorkel mouthpiece set A mouthpiece set of a snorkel including a base, a connector, and a mouthpiece, wherein the base connecting to the snorkel and the connector having an upper end connecting to the mouthpiece and a lower end including a sphere inserted into a concentric hollow cylinder... | 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 |
| 7089930 | Wireless heads-up display for a self-contained breathing apparatus A system and method of providing a wireless heads-up display for displaying the amount of breathing gas remaining in an associated breathing gas supply is provided. The system has a transmitter and a receiver. The transmitter has a pressure sensor and a controller f... | 08/15/2006 |
| 7077127 | Flip top valve for dry snorkels The instant invention is a valve for the top end of skin diving snorkels having a conduit with an open end above the water surface, and an underwater end that terminates in a mouthpiece. The mouthpiece provides a flow path between the conduit and the interior of the... | 07/18/2006 |
| 7069927 | Waterproof device for a snorkel A waterproof device for a snorkel is mounted on a distal end of a breather pipe and has a lower shell, a ring, an upper tube with an open end, an elastic collar, and an upper shell. A lower pipe is mounted to a lower end of the lower shell and the ring is received i... | 07/04/2006 |
| 7062786 | Garment with releasable water-tight seal for neck and limbs A diver's suit, survival suit, or a suit worn to protect a worker from hazardous materials is provided with releasable water-tight seals around the wrists, ankles and/or neck. Each releasable water-tight seal includes first and second complementary shaped annular in... | 06/20/2006 |
| 7047966 | Lifesaving floatation and breathing device This lifesaving floatation and breathing device comprises first and second inflatable bags having similar bag volumes, and a mouthpiece communicating with both bags. A pressurized gas cylinder filled with breathable gas is mounted to one of the bags. This pressurize... | 05/23/2006 |
| 7047965 | Fresh air swimming snorkel A front-mounted swimming snorkel with separate air intake and exhaust tubes controlled by one-way valves to prevent re-breathing exhaled air, wherein the exhaust tube cross-sectional area is selected to regulate the amount of force needed to open the water purge val... | 05/23/2006 |
| 7044131 | Disposable face mask A disposable face mask includes a mask body covering substantially a nose and mouth of a wearer, and a connecting means included with the mask body. The connecting means includes a pair of ties, an elastic cord, and/or an extension having lateral panels which have a... | 05/16/2006 |
| 7040319 | Method and apparatus for monitoring oxygen partial pressure in air masks Method and apparatus are disclosed for monitoring an oxygen partial pressure in an air mask and providing a tactile warning to the user. The oxygen partial pressure in the air mask is detected using an electrochemical sensor, the output signal from which is provided... | 05/09/2006 |
| 7036450 | Method and device for operating an underwater vehicle A method is disclosed for operating an underwater vehicle. According to the method, the pressure difference between a container which can be filled with water and/or gas, especially air, in order to alter the weight of the vehicle and the water pressure outside the ... | 05/02/2006 |
