|
Match
|
Document |
Document Title |
|
|
8166968 |
Scupper valve snorkel
A conjoined tube within a tube located inside a lower section of a snorkel designed to steer water droplets away from the snorkel diver's breathing path. The lower section of the snorkel has two...
|
|
|
8011363 |
Exhalation valve for use in a breathing device
An underwater breathing device, such as a snorkel, may include an exhalation valve. The exhalation valve is configured to produce positive end-expiratory pressure in the airway of a user of the...
|
|
|
7921964 |
Method and apparatus for altering and/or minimizing underwater noise
To reduce or eliminate the startle response in aquatic life, embodiments of the present invention alter the sound produced by a diver's exhaled bubbles by adjusting up or down the frequency of the...
|
|
|
7909030 |
Elliptical purge valve for snorkels
The instant invention incorporates an asymmetrical purge valve tilted to fit within the confines of a chamber having a substantially elliptical cross-section. The elliptical cross-section is...
|
|
|
7793656 |
Underwater breathing devices and methods
A swim and skin-dive snorkel for providing positive end-expiratory pressure for pressure-balanced exhalation. The snorkel may include inhalation and exhalation conduits. Air can be exhaled into a...
|
|
|
7628152 |
Breathing regulator with nonlinear positive pressure spring
A breathing regulator having a non-linear positive pressure spring is provided for use in an air supplied respirator. The regulator includes a housing formed from a regulator body and a cover...
|
|
|
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...
|
|
|
7520280 |
Rebreather apparatus
A rebreather apparatus having a gas scrubber canister with a generally oval or elliptical cross section. The canister being configured so that exhaled gases pass through the adsorbent in a radial...
|
|
|
7455061 |
Bubble diverter for use with diving equipment
A diving helmet bubble diverter comprises a front skirt portion and a rear skirt portion attached to the front skirt portion at one end. The rear skirt portion is configured for mounting onto the...
|
|
|
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...
|
|
|
7163012 |
Diving snorkel assembly including a casing
A diving snorkel assembly includes a snorkel tube and a casing. The snorkel tube includes a first portion and a second portion telescopically disposed relative to each other. The snorkel tube...
|
|
|
6990995 |
Valve-leaf protective structure for pressure for regulator of air tank used in diving
A valve-leaf protective structure for pressure regulator of air tank used in diving mainly includes a valve-leaf seat being provided at a lower center with a retaining hole and at two sides with...
|
|
|
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...
|
|
|
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...
|
|
|
6644307 |
Scuba diving bubble diverter for improving vision and decreasing bubble noise
A scuba diving bubble diverter adapted for use by a diver wearing a diving mask and air regulator and employing a skirt system for diverting bubbles emanating from the breathing regulator away from...
|
|
|
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...
|
|
|
6598239 |
Draining structure for diving mask
A draining structure for diving mask includes a soft head cover fixedly connected to a rigid skirt framing a lens. The soft head cover includes a forward projected nose portion having a draining...
|
|
|
6478024 |
Snorkeling equipment
Embodiments of improved snorkeling equipment are disclosed, each enabling a swimmer to submerge his or her head and body a few feet beneath the water surface, to swim freely beneath the water...
|
|
|
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;...
|
|
|
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...
|
|
|
6354291 |
Diving regulator with valved mouthpiece
A second stage diving regulator of the type used by scuba divers is provided. The regulator comprises a regulator housing and a mouthpiece. The regulator housing includes an inhalation chamber...
|
|
|
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...
|
|
|
6263871 |
Mouthpiece with coupler
A mouthpiece is provided having a quick connect coupler to facilitate the rapid replacement of mouthpieces for use with breathing devices that may be used by many different individuals, such as in...
|
|
|
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...
|
|
|
6089225 |
System and method to prevent the transmission of pathogenic entities between the multiple users of second stage regulators
A mouthpiece for use with breathing devices of the type used by scuba divers is provided. The mouthpiece includes-at least one no-return valve to allow exhalation directly into the ambient...
|
|
|
5979441 |
Structure of draining mechanism for soft nose protrusion type diving mask
The present invention is to offer an improved structure of draining mechanism for soft nose protrusion type diving mask, which essentially comprises a valve flap seat with a plurality of through...
|
|
|
5947784 |
Apparatus for producing toroidal bubbles and method
A device that produces toroidal bubbles of gaseous fluid when operated in immersed relation to a body of liquid fluid. A first embodiment is operated by a person who blows into a first end of the...
|
|
|
5893362 |
Snorkelling device
A snorkelling device for supplying air to a person by unassisted lung function to a depth of approximately one meter. The device may be used upon or below the surface of the water. It comprises an...
|
|
|
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...
|
|
|
5724961 |
Valve arrangement and a breathing regulator which includes such a valve arrangement
A valve arrangement intended particularly, but not exclusively, for use with a breathing regulator (1) for underwater breathing apparatus includes an outlet side, an inlet (11) through which gas...
|
|
|
5724958 |
Breathing hood
A breathing apparatus for survival gear is provided by a head receiving hood that is sealed over the head of the user and has sufficient volume to provide breathing air for at least a selected...
|
|
|
5701884 |
Snorkel with strobe light
The snorkel with a strobe light includes a strobe light mounted in a casing. A transparent cap covers the light at the top of the casing. A controllable strobe circuit also mounted in the casing....
|
|
|
5687712 |
Underwater breathing apparatus
Underwater breathing apparatus with improved ease of handling comprises a cylinder, a meter and a quick coupling on the cylinder and on the meter, together with a flexible hose having quick...
|
|
|
5642529 |
Diving face mask
A diving face mask comprising a purge valve is mounted in a predetermined region extending along a top and transversely opposite sides of a frame thereof and a tubular water purge channel provided...
|
|
|
5632268 |
Multiple purpose fixed or portable oxygen delivery system
An improved oxygen delivery system for use in a fishing vessel which is capable of distributing oxygen to individual fish and minnow live-well holding tanks for oxygenating the water within each...
|
|
|
5608920 |
Diver's face mask with offset purge valve
A diver's face mask having a centrally offset purge valve which is easily purged by tilting the mask toward the purge valve to accumulate any water within the mask and exhaling through the nose.
|
|
|
5606967 |
Mask and snorkel assembly
A mask and snorkel assembly including a float having a circular center recess and a center through hole at the center of the center recess, a snorkel retained in the center recess of the float by a...
|
|
|
5558466 |
Diving mask with a structure for drain and flow guide
A diving mask with a drain port on the lower front of a nose on the frame body of the mask. A flow guide tube is connected to the drain port and bent toward the lower edge of the nose. The flow...
|
|
|
5524611 |
Swimming mask with automatic drainage
Here discloses a swimming mask with a mobile cover which is able to close the air valve when the water comes in and open the air valve when water fades away, allowing only air to be exchanged....
|
|
|
5503140 |
Second stage demand regulator
A regulator of the type used for second stage regulation of air or breathing gas having a circular portion and a valve body mounted within the body. A diaphragm is mounted in the circular portion...
|
|
|
5479917 |
Structure of diving mask
The present invention is related to a structure of diving mask wherein a nose notch is formed on the soft skirt of diving mask, a nose slot is provided in a corresponding position on the mask frame...
|
|
|
5455842 |
Method and apparatus for underwater communication
Waterborne acoustic signals are received and processed into electrical driver signals to energize a transducer held in selectively controllable vibration-transmitting engagement with a tooth of an...
|
|
|
5329643 |
Diving face mask
A diving face mask comprises a purge valve assembly in a lower central area of a body frame. The purge valve assembly comprises a nose frame projecting from the body frame such that a V-shape...
|
|
|
5027805 |
Snorkel assembly
A snorkel assembly of this invention includes a face mask and an elongated flexible air pipe having one end connected to the face mask. A floating body is connected to the other end of the air pipe...
|
|
|
4928710 |
Breathing mouthpiece for a snorkel
The specification sets forth a mouthpiece for use with a snorkel with or without a purge valve for use in diving. The mouthpiece is attached to a snorkel by a conduit and terminates in upper and...
|
|
|
4862903 |
Breathing mouthpiece for contacting upper palate and lower jaw of user's mouth
The specification sets forth a mouthpiece for use with a snorkel or regulator of the type used in diving and life support systems. The mouthpiece is attached to a snorkel or regulator by a conduit...
|
|
|
4809691 |
Breathing apparatus for diving
Breathing apparatus for diving of the type comprising a breathing bag (13), a mouthpiece (30), inhaling and exhaling ducts (16 and 17) connected to the bag and to the mouthpiece these inhaling and...
|
|
|
4793340 |
Breathing system for divers
"A breathing system for divers includes a breathing bag (211) from which the inhalation gas to the diver is delivered and to which the exhalation gas from the diver is supplied, a compressed gas...
|