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Patent No. 5823572

Self Defense Weapon With Memo


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Class 116/26 - NAUTICAL

Subclass of Class 116 - Signals and indicators
Definition: Devices include miscellaneous signaling systems, devices,
No. of patents: 46
Last issue date: 07/08/2008

NumberTitleIssue Date
7396268Safety 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 attachment to the watercraft, and a retention member removably attac...
7360499Helmholtz 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 ports located therein surrounded by a standoff tubular member. The f...
6972697Controller 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 proper foghorn sounding schedule. The horn controller is designed to ...
6558082Combined 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 during a dive. The weight member can be attached by several d...
6473005Marine 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 selectively connectable to a sound source that is connected to a ...
6160760Underwater 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 extends into the barrel portion. A hammer 30 is sized for tr...
5842435Index 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 base of the main body with the same transparent synthetic ...
5652734Directional 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 having contained within a metal echo-chamber fixed at each end ...
5495401Distance 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 illuminated loop around the boat. Preferably, a red strip exten...
5450810Underwater 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 modes of operation, can be made resistant to accidental sound ...
5421287Visual 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, inherently buoyant material with built-in support struts to keep ...
5405416Marine 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 composition to have a relative density of about 1 and to be capabl...
5400736Underwater 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 the spheres to collide with and impact both each other an...
5302055Signalling 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 bistable valve 34, 52) switches pressurised air alternate...
5199374Aerial 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 vessel (60). An inflatable aerial location marker (40) is defla...
5183003Handworn 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 article adjacent the palm of the user. The user easily and qu...
5182556Drain 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 source and a control circuit for connecting and disconnecting...
5179907Flag 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 receptacles and extending radially from the body. Each arm ...
5162793Drain plug absence indicator
5144906Sea 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 of a material which does not burn away, and is provided wit...
5136964Warning 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 require the craft to be seen in order for a signal provid...
5129351Signalling 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 the opening. The loop of tubing is slipped over the scuba...
5099220Waterproof 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 defines a top rim of the housing, which top rim defines th...
5096448Marker 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 as resilient, or less resilient than the buoy bladder, fo...
5052327Inboard/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 the view of the pilot by the transom during docking. The de...
4950107Audible alarm device for divers
A diver's alarm apparatus, for use with conventional diving equipment, having a body portion (34) and a noisemaker portion (32). The body portion (34) includes a first opening (42) therethrough communicating at opposite ends thereof with connections for a...
4871335Water-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 water drag while the ski is in use. The device is also parti...
4858204Underwater 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 strap while the other one, hingedly mounted to the first one,...
4809638Ocean 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 a disaster victim. A cohesive surfactant is mixed with an...
4736205Buoy 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 gimbal frame by another pair of hinges. The hinges are made o...
4655969Chemiluminescent systems
Chemiluminescent mixtures utilize mono and di-alkyl substituted 9,10-bis(phenylethynyl)anthracene derivatives to provide higher chemiluminescence efficiencies. The preferred fluorescers are 2-ethyl-9,10-bis(phenylethynyl)anthracene and 1,4-dimethyl-9...
4624141Towrope-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 skier, independent of the tension on the ski rope. Preferably,...
4498878Safety 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 in the hollow cylinder and in the spaces as provided on b...
4464129Safety 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, means (8) for shaping these signals to control signalling me...
4437425Air 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 relative thereto when varying the sheeting and curvature o...
4429048Aliphatic 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 specific nitrogen bases is advantageous. Particularly suit...
4402220Wind 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 the mast in the angle of vision of the yachtsman using a cl...
4384268Marine 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 in another color (green) and vice versa to indicate to a b...
4283943Method 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....
4230063Inflatable 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. The front faces of the tubular sides forming the triangul...
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