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8154424 |
Sequenced vehicular traffic guiding system
A system of signal emitting modules is disclosed. The modules emit light or other signals to warn oncoming traffic that a road or other pathway has changed or is traversing a tortuous pathway. The...
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8115644 |
Water skiing training device
an apparatus comprising a sensor system and a controller. The sensor system may be configured to provide information about an angle of a ski rope relative to a ski pylon. The controller may be...
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RE42238 |
Combined ballast and signalling device for a personal flotation device
A counterweight assembly is provided to enhance heads up surface positioning of a person. The assembly includes a weight/ballast member strategically disposed on a cylinder/tank worn by a diver...
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7798090 |
Rescue and locational determination equipment
A deployable signaling device and method of use thereof which includes material with detectable properties such that it can be distinguished from a background when deployed in various environments....
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7695334 |
Water-activated and light-assisted visual locating device
A visual locating device comprises an elongate, inherently buoyant, flexible sheet for floating on the surface of a body of water that has a longitudinal axis. At least three buoyant support struts...
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7396268 |
Safety signaling apparatus for watercraft
An improved safety signaling apparatus intended to be used with watercraft to increase the visibility of the watercraft to others, incorporating a mast-supported signaling device, a base member for...
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7360499 |
Helmholtz resonator type marine signal
A power efficient, acoustical Helmholtz resonator foghorn including a plurality of electrical emitters, some of which are redundant, arrayed at one end of a blocked tube with a plurality of exhaust...
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6972697 |
Controller for automatically manipulating a horn signal for navigational purposes
A system and method for a horn controller is provided that automatically operates a vessel's horn as a foghorn. The horn controller automatically causes the vessel's horn to sound according to the...
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6558082 |
Combined ballast and signalling device for a personal flotation device
A counterweight assembly is provided to enhance heads up surface positioning of a person. The assembly includes a weight/ballast member strategically disposed on a cylinder/tank worn by a diver...
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6473005 |
Marine signaling device
A signaling device for marine vessels that is functionally and operationally similar to the directional devices (i.e., turn signal devices) found in automobiles including an actuating means...
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6160760 |
Underwater signaling device
An underwater signaling device 10 provides an enclosure 20 having handle 25 and barrel 21 portions. A trigger 40 is pivotally carried by the handle portion, and provides a pivoting spur 50 which...
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5842435 |
Index for a measuring instrument
Index for use in measuring instruments includes a main body formed with a transparent synthetic resin and having an indicating portion for indicating measured values; a skirt portion formed on the...
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5652734 |
Directional sound signaling device
An improved manually operated signaling device to produce audible sound underwater. An air tight housing comprising a tubular member with end-caps permanently sealing each of its two ends and...
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5495401 |
Distance lighting system for boats
A distance safety lighting system for boats, comprising three electroluminescent strips disposed in the bumper guard surrounding the gunwale of a boat so as to form a substantially continuous...
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5450810 |
Underwater communication device and methods
An underwater communication device that is simple in design, is simple to operate, is powered solely by a user's wrist action, has only one moving part, is maintenance free, can offer multiple...
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5421287 |
Visual locating device for persons lost at sea or the like
A signalling device for indicating, by day or night, the position of a person lost at sea (on land or in space) comprises an elongate brilliantly colored streamer made up of flat, flexible,...
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5405416 |
Marine dye composition
A marine dye composition comprising a water soluble or dispersible dye, particles of a density controlling material having a bulk density and being present in an amount so as to cause said...
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5400736 |
Underwater signaling device
A brightly colored underwater signaling device having a brightly colored watertight container filled with one or more freely-movable spherical objects. Vigorous displacement of the container causes...
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5302055 |
Signalling device
A signalling device for scuba divers uses their compressed air supply to drive a piston (42, 51, 72) against a diaphragm (22, 48, 49, 57, 63, 90) to generate sound in water against the diaphragm. A...
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5199374 |
Aerial location self-actuating emergency sea surface marker for capsized vessels
An emergency location marker system for capsized vessels is housed in an emergency location marker canister or container (10) secured by a bracket (22) to an exposed or outside surface of the...
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5183003 |
Handworn mechanism for signalling by scuba divers
A hand worn signalling mechanism for use in scuba diving includes a flexible article which is designed to be worn on a hand of the user. A striker is mounted by a mounting means to the flexible...
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5182556 |
Drain plug absence indicator
Apparatus for indicating the absence of a drain plug in a boat drain when the boat is in a launch condition includes an electrically activated alarm connected in series with an electrical power...
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5179907 |
Flag and buoy apparatus
A flag and buoy apparatus includes a body having a plurality of receptacles therein. The flag and buoy apparatus also includes a plurality of buoyant arms, each arm being receivable in one of the...
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5144906 |
Sea marker
A sea marker for emergency flights of ship-based planes onto a ship is disclosed which comprises a float, a tube containing a pyrotechnical charge and also a percussion igniter. The tube consists...
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5136964 |
Warning device for windsurfing craft
The present invention pertains to a warning apparatus with respect to a small sailing craft having a structure for holding a sail. The invention is comprised of a device for signaling that does not...
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5129351 |
Signalling device for scuba divers
A signalling device for scuba divers is disclosed. A substantially cylindrical rod has an opening formed therein along its longitudinal axis. A closed loop of resilient latex tubing extends through...
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5099220 |
Waterproof flush mount marine horn assembly
A waterproof flush-mountable marine horn assembly includes a generally cup-shaped housing having a bottom wall and upstanding side wall means. The side wall means includes a top edge portion which...
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5096448 |
Marker buoy
A hollow, elongated tubular member, constructed of flexible resilient material, an inlet-outlet for admitting and discharging air, and including a separate, removable sleeve constructed of material...
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5052327 |
Inboard/outboard and outboard guiding safety device and method
A directional guidance device is provided for use on pleasure boats to indicate the direction of propeller thrust of an outboard motor or inboard/outboard steerable mechanism that are hidden from...
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4871335 |
Water-ski locator device
A water-ski locator device is comprised of a buoyant body fixed in position on the top surface of the water-ski's toe piece by a number of straps. So positioned, the buoyant body does not create...
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4858204 |
Underwater signaling device
An underwater signaling device being removably mounted to the strap commonly found in scuba diving tanks. The device includes two elongated members an one of them being removably secured to the...
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4809638 |
Ocean location marking using film forming polymers
A method of and an apparatus for providing an all weather day and night ltion marker on the surface of a body of water enable optional visual, radar and IR detection to ensure the timely rescue of...
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4736205 |
Buoy lantern assembly employing hinged gimbal
Marine buoy lantern employs a heavily damped two-axis gimbal including an outer gimbal frame supported to the lantern housing by a pair of hinges and an inner gimbal member mounted to the outer...
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4655969 |
Chemiluminescent systems
Chemiluminescent mixtures utilize mono and di-alkyl substituted 9,10-bis(phenylethynyl)anthracene derivatives to provide higher chemiluminescence efficiencies. The preferred fluorescers are...
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4624141 |
Towrope-handling system monitor for waterskiing
A water-skier towrope-handling system is provided that provides an alarm to the driver of a ski towboat when the skier falls. The alarm is triggered by the release of the towrope handle by the...
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4498878 |
Safety diving backpack
A safety diving backpack, specifically a one-piece, detachable diving backpack, that may serve to dispose water-resistant handlights, life buoys, kettles and spin reel, complete with wires or ropes...
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4464129 |
Safety marker for divers
A safety marker for divers comprising detection means (5) designed to emit electrical signals upon the appearance of an element dangerous to the divers within a specific zone around said marker,...
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4437425 |
Air flow direction indicator
An airflow direction indicator in accordance with the invention is intended for sailboards, in which the front portion of the sail includes a tunnel which is slipped onto the mast and is rotatable...
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4429048 |
Aliphatic amine-containing Karl Fischer titration agent and method for using it
For the titrimetric determination of small amounts of water, the Karl Fischer reagent is used which contains sulfur dioxide, iodine and pyridine as essential components. Replacement of pyridine by...
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4402220 |
Wind direction indicator
A wind direction indicator for sailing vessels, particularly wind surfers or small yawls uses a weather vane pivoted to one end of an outrigger. The outrigger is to be fitted to the mid-height of...
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4384268 |
Marine navigation assisting apparatus
Two tri-color light emitting diodes (LEDs) are mounted in spaced apart relationship and are supplied via a switch with appropriate potentials to illuminate one LED in one color (red) and the other...
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4283943 |
Method and apparatus for indicating and adjusting the angular position of a sail
Apparatus and method for indicating and adjusting the angle between the horizontal tangent to the luff of a sail and the direction of the apparent wind.
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4230063 |
Inflatable automobile warning reflector
An inflatable automobile warning reflector device, usable also as a floatation buoy, comprises an inflatable triangular body formed of three tubular sides joined at their ends to define a triangle....
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4227406 |
Wind direction device
A wind direction device for attachment to a boat shroud for indicating the direction of the wind relative to the direction of travel of the boat. The device includes several wraps of adhesive tape...
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4140077 |
Portable navigational aid
A portable navigational aid or device for use in a user-sailboat or similar vessel, where the user-sailboat and another approaching boat are traveling along courses which intersect, to indicate...
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4058792 |
Ship security system
A security system for a floating structure such as a boat, or the like, and which comprises an electro-mechanical apparatus that is sensitive to substantial changes in the position or orientation...
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4050400 |
Marine navigation instrument
A navigational instrument known as a buoy reminder which includes a base adapted to support an indicator for lateral reciprocal movement thereon. The reminder has two depictions of nun and can...
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3990401 |
Marine mammal vacuum recovery system
A recovery system for attaching a line to an underwater object includes a cially worn tool holder adapted to be carried by an underwater mammal which supports a surface engaging tool at the forward...
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3965920 |
Installations for monitoring oil content
An apparatus for detecting the presence in a liquid of material that emits fluorescent radiation when stimulated by ultraviolet radiation. A chamber having an inlet and an outlet for passing a...
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3926139 |
Self storing protest flag used in boat races
A protest flag, useful in sail boat racing, is normally stored in an furled condition and in that stored condition, may be conveniently and quickly attached to, and detached from a sail boat boom....
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