Class / Patent application number | Description | Number of patent applications / Date published |
119219000 | Fish diverter or barrier | 22 |
20130139761 | System for Deterring Underwater Animals from an Underwater Region - In order to deter underwater animals from an underwater region such as adjacent the entrance to an offtake pipe or channel from a river, sound and light are produced by sound and light producing units in the underwater region and are intermittently pulsed and/or at least one characteristic of the sound and light is repetitively modulated. At least some of the pulses of light and/or the occurrences of at least one feature in at least some of the light modulation repetitions are substantially synchronised with at least some of the pulses of sound and/or the occurrences of at least one feature in at least some of the sound modulation repetitions. For example, the sound may be frequency modulated, and the light may be pulsed when the sound frequency reaches its minimum. It is believed that this synchronisation of light and sound has a synergistic effect. | 06-06-2013 |
20140174371 | SYSTEM FOR TREATMENT OF LICE, AND CORRESPONDING METHOD FOR TREATMENT OF LICE - A lice treatment system for marine organisms, such as fish, is described where the system is a closed system comprising: an inlet ( | 06-26-2014 |
20150090189 | INTEGRATED FISH DIVERSION SYSTEM, AND LIGHTING DEVICE USED THEREIN - Described are various embodiments of an integrated fish diversion system, and lighting device used therein. One embodiment provides a system for diverting approaching fish from a predominant water flow path and toward a bypass. The system comprises a structural diversion assembly to be disposed across the predominant water flow path to guide the approaching fish along the structural diversion assembly to the bypass, while allowing passage of water through the structural diversion assembly along the predominant water flow path. The system further comprises one or more lighting devices to be cooperatively disposed in relation to the structural diversion assembly to further guide the approaching fish toward the bypass; and a controller operatively coupleable to the one or more lighting devices and operable to select an output spectrum thereof to optimize fish guidance thereby. | 04-02-2015 |
20150114305 | FISH CORRAL AND FISH ACCUMULATOR - A corral for fish, the corral comprising: at least one wall that defines a pathway along which fish are able to travel wherein the pathway is inwardly winding. | 04-30-2015 |
20150321737 | Shark Barrier - A shark barrier includes a plurality of resiliently flexible, elongate members that extend in a generally upright condition between a sea floor and a sea surface. The elongate members are arranged so as to have the appearance of a thicket, preferably a kelp forest, when viewed from within the water and include magnets to assist in deterring certain shark species. The elongate members may be secured to the sea floor by an anchoring base and are held in the generally upright condition by a buoy or buoyant material held within the elongate members. | 11-12-2015 |
20160076213 | CORRUGATED FISH SCREEN WITH CONTINUOUS FLOW REFUGIA - A fish screen is presented having a porous surface made of two or more corrugations (e.g., elongated convex shapes) having an at least partially porous surface. The incorporation of a porous area on the corrugations allows increasing the total porous surface area compared to an underlying diversion area. The porous area is a magnification of an underlying diversion area, which reduces the fluid pressure (e.g., impingement forces) acting on the porous area of the screen. The valley between each pair of corrugations is solid, not porous. The solid valley(s) provide two important functions; they provide multiple small solid surface flow channels over the screen surface. These solid channels protect small or weak swimming aquatic organisms from impingement on the screen. That is, once organisms reach the solid channel, they may move along the solid channel free of impingement until they reach the edge of the screen. | 03-17-2016 |
20160113267 | BARRIER - A barrier, such as a shark barrier, comprising a plurality of pylons spaced apart with respect to each other, and a mesh extending between the pylons wherein the mesh comprises a plurality of modules adapted to be attached to each other. In an arrangement the mesh is adapted to adjust to account for tidal changes and movement of water. The modules of the mesh may be pivotally attached to each other and the mesh may be adapted to selectively be displaced between an extended condition and a contracted condition. | 04-28-2016 |
119220000 | Electric type | 15 |
20100071631 | Electronic Shark Deterrent - An Electronic Shark Deterrent provides protection from, and for, sharks and other aquatic creatures. Compact low power circuitry generates high voltage periodic pulse train bursts, disturbing the electroreceptors of the aquatic Elasmobranchi subclass. A train of thirty 33 us 250 Volt (V) electric pulses lasting one second is produced every six seconds. The device is fully portable, requiring no bulky activity impeding buoys, cords, or external power supplies. Advanced circuitry is compact enough to be worn on a watch sized band or attached to garments and recreation or safety equipment. The deterrent can be used in a fixed configuration to protect fish farms and vacation resort swimming areas. It can be affixed to offshore oil rigs and research stations to protect workers. The Electronic Shark Deterrent is compact and portable enough to be used on longlines, trawls and gillnets to reduce the numbers of endangered aquatic creatures unnecessarily destroyed as bycatch. | 03-25-2010 |
20100107986 | Systems and Methods for the Electric Field-Controlled Anesthetizing of Fish - A system and method to induce fish anesthetizing or narcosis is described that induces a potential field across the body of a laboratory fish having a pair of electrodes, the waveform generated by this potential field is approximately balanced to reduce the introduction of anions into the solution, and a camera is mounted to observe the activity of the fish, so that the potential difference may be adjusted based on the state of the fish. | 05-06-2010 |
20100224134 | Systems and Methods for Electrified Fish Barriers - The inventive subject matter describes an electrical barrier for the deterrence of fish having an, the electrical barrier with a computer system capable of executing a modified soft-start algorithm, the computer system further having a detector input and a switch output; a bio-electric fish proximity detector, the bio-electric fish proximity detector having a anode-cathode detecting pair input and a signal output, wherein said signal output is connected to the detector input; a time varying voltage source. | 09-09-2010 |
20100242851 | Systems and Methods for Aquatic Electrified Barriers - A flexible aquatic species barrier having a multiplicity of pulsators, each pulsator further comprising an anode lead, a cathode lead, and an potential difference generator, where each pulsator is proximately attached to a section of net, each section net comprising a anode conductive braid, a cathode conductive braid, and a net interposed between the anode conductive braid and the cathode conductive braid, and where the anode lead of the pulsator is connected to the anode conductive braid, and where the cathode lead of the pulsator is connected to the cathode conductive braid; whereby when one or more of the pulsators are activated, a potential difference is created between the anode conductive braid and the cathode conductive braid; such that when current flows between the anode conductive braid and the cathode conductive braid an aquatic species is repelled from the net. | 09-30-2010 |
20100288203 | Systems and Methods for the Controlled Electrified Field Barriers - A system and method is described for a controlled electrified fish barrier that induces a potential field in a body of water with an electric field generator, a control system, and an object detection system, so that when the anode and cathode of the electric field generator are inserted in a body of water, and the object detection system detects an object, the object detection system electrically signals the control system; and in response the control system electrically adjusts the electric field generator. | 11-18-2010 |
20100313820 | Systems and Methods for the Portable Electroanesthesia of Fish - A portable fish anesthetizing system is also described having a tank cover, an electrode pair with the electrode pair configurable attached to the tank cover; a control system for creating a potential difference, the control system electrically connected to the electrode pair, so that when the tank cover is placed on a laboratory tank and the control system is activated, current flows from the control system through the electrodes. | 12-16-2010 |
20110094451 | Magnetic field generator compressed into a housing using exothermic polymer for stabilizer used for shark deterrent - Uses a specific magnetic field for shark deterrent. Over stimulates the electroreceptors in sharks and stingrays. | 04-28-2011 |
20110174231 | Systems and Methods for Remote Placement of Electrified Fish Barriers - The inventive subject matter describes systems and methods for the remote placement of electrified fish barriers are illustrated and described herein. The inventive subject matter describes a floating electrical barrier that is responsive to the presence of detected fish. The inventive subject matter also describes a multiplicity of electrical barriers that are arranged to create an electrical field that entrains certain species of fish. The inventive subject matter also describes a movable barrier that is used to guide fish from location to location using electrical fields. | 07-21-2011 |
20110277693 | Systems and Methods to Control the Incursion of Fish into Seachests - Described herein is an apparatus for the entrainment of fish from seachests having an anode, a cathode, a support structure for the anode and cathode proximate to the hull of a ship, such that when an electric current passes from the anode to the cathode, fish are entrained from entering a seachest. | 11-17-2011 |
20110290190 | METHOD OF AND APPARATUS FOR REPELLING AQUATIC CREATURES - This invention relates to a method of and apparatus for repelling aquatic creatures and finds particular application in the protection of surfers (or surfboards) and personal watercraft such as surf skis, paddle skis and the like from shark attack. The drawing illustrates the device | 12-01-2011 |
20120031343 | Multi-factorial electronic shark repellant - In abstract this invention is a pressure and water sealed unit small enough to be worn by a swimmer. It contains a rechargeable battery, control interface logic, digital signal generation, and amplification circuitry. It uses a ground balanced electrode system to produce electric fields in the very low impedance environment of water. These fields are organized into patterns called words. These words are presented in a hierarchal pseudo random manner to prevent target organisms from learning and adapting to them. The presentation of these words is controlled by upgradable programing stored within memory. The words evoke central nervous system (CNS) responses which result in sharks leaving the area of operation. These words represent stimuli of predators, navigation signals, noxious events, CNS interference patterns, and other sequences found to repel sharks from the protected area. Reprogrammability allows upgrades to newer sequences. The amplifier uses switching stages to multiply the battery voltage up to about one thousand times. An inversion unit provides for positive and negative signals. The switching circuit is logic level and pulse width modulation controlled. The switching typology permits micro miniaturization and efficient power consumption prolonging battery life. The unit has no user adjustable parameters except for go no-go control and shark alarm. Unit and battery status is indicated by flashing light signals. Electrode typology generates a spherical electric wave propagation pattern in water. A recharging cradle projects magnetic energy into the unit providing for automatic battery recharging and conditioning without electrical connections exposed to an aqueous environment. | 02-09-2012 |
20120199079 | ELECTROMAGNETIC APPARATUS AND METHODS FOR AFFECTING BEHAVIOR IN ELASMOBRANCH FISH - An apparatus for selectively affecting the behavior of elasmobranch fish such as rays, skates and sharks, with electromagnetic waves. The apparatus comprises a power source, an electrical circuit capable of generating a selected voltage, current, and alternating frequency, an antenna capable of receiving the converted power from the electrical current and transmitting the converted power as an electromagnetic field, and an optional control means disposed between the power source and the antenna. In operation, this apparatus generates and transmits electromagnetic waves whose effects are perceivable by certain aquatic elasmobranch fish, which can be adjusted to cause a selected behavior, such as attraction or repulsion. The characteristics of the emitted electromagnetic waves can be controlled and changed to fit the desired needs. The apparatus can be self-contained or part of a larger system, and can be incorporated into a variety of devices. | 08-09-2012 |
20140238307 | METHOD OF PROTECTING FISH - Embodiments of the present invention relate generally to methods of moving or herding fish, such that the fish are protected from being removed from their natural aquatic environments when water containing these fish is withdrawn and used for industrial purposes. Additionally, the invention relates to a method for shooing or driving fish out of a specific region using at least one screen, including applying current and/or voltage pulses to the screen in order to facilitate the moving of the fish. | 08-28-2014 |
20150034016 | Cable Screen For Fish Protection Purposes - An apparatus for holding back, and diverting, fish in bodies of water by the arrangement of parallel cables (S) braced between two or more abutments (W), wherein the distance between the cables is small enough to prevent fish from swimming through the apparatus. | 02-05-2015 |
20160010296 | PINNIPEDS DOCK DETERRENT SYSTEM | 01-14-2016 |