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7284501 Containment pens for finfish aquaculture  
A containment pen for finfish aquaculture, comprising a supporting structure, a net attached to the supporting structure and defining a containment volume for containing finfish, wherein the net...
6978735 Artificial fish habitat  
An artificial fish habitat ( 10 ) comprises an open framework ( 12 ) including a plurality of layers ( 14 ). The layers ( 14 ) each include an open portion ( 20 ) and are generally aligned so that...
6892672 Apparatus for breeding fish in open sea  
Fish-breeding apparatus ( 10 ), which comprises a frame, supporting one or a plurality of breeding cages ( 11 ) and provided with hollow buoyancy elements ( 17 ), and at least one device for...
6827036 Aquaculture  
Aquaculture apparatus includes an elongate tube of flexible translucent plastic material which extends longitudinally along level ground. The tube is inflated and air supported. At least the lower...
6581543 Inner valves for fish cage  
A fish cage having one or more air-tight buoyancy rings ( 1 ) being entirely or partially hollow, with water valves ( 20 ) for inlet and outlet of water, and air valves ( 3 ) for injection and...
6520115 Support platform and structure for fish farming (“artificial island reef platform”)  
A structure designed for raising large (commercial) quantities of pelagic fish. The structure, called an “Artificial Island Reef Platform” or “AIR Platform” is comprised of floating...
6481378 Fish farming system and method  
The invention provides a deep-water fish farming system comprising a fish cage of controllable buoyancy having one or more chambers, which can be submerged and refloated at a controllable rate to...
6443100 Debris separating system for fish pens  
A debris separating system for separating debris in a fish tank is formed by a standpipe extending up through the bottom of tank at the center of tank and terminating in an open end. A cover covers...
6386146 Aquaculture method and apparatus  
An aquaculture cage including a buoyant upper support for disposition at the surface of a water body; a side wall having an upper edge secured to said upper support so as to project below the...
6325020 Fish sizing sonar system  
Apparatus for producing an objective assessment of the size of fish in an aquaculture setting. The apparatus includes a sonic transducer (30) with a transmitter that is driven to generate...
6244218 Aquatic structure and method  
A structure is provided for promoting growth of aquatic species for aquaculture operations and other purposes. The aquatic structure may have a buoyant member, a flexible sheet, and flexible strips...
6216635 Apparatus and method for lifting a net of an aquaculture pen and an aquaculture pen incorporating same  
Aquaculture pen 10 includes a frame 12 suspending a net 14. The frame 12 is sufficiently buoyant to suspend the net 14 without sinking below the level of the water in which it floats. The net 14 is...
6089191 Marine habitat systems  
A family of man-made marine habitat systems and methods are disclosed for placement in various waterways to restore the natural marine environments that have been previously destroyed by commercial...
6044798 Floating aquaculture apparatus  
A modular apparatus for cultivating marine animals caged within rearing units submerged in a body of water of the natural environment of the animals includes a row and column structure that floats...
5970917 Marine aquaculture apparatus  
Marine aquaculture apparatus comprises a submersible torus-shaped enclosure having perforations therein. Structure is provided for raising the torus-shaped enclosure to the surface of a body of...
5884585 Underwater high relief fence habitat  
A fence-like habitat for sheltering and feeding fish, and practicing aquaculture. The fence serves as a shield for small and juvenile fish which seek protection from predators and water movement....
5845602 Device for lowering and raising a fish rearing unit  
A float collar, comprising inner and outer float rings mounts the fish rearing unit for selective raising and lowering utilizing valve controlled air and water inlets and outlets leading to...
5797348 Feed method and apparatus for fish farms  
An apparatus for feeding fish includes a member operable to be disposed in a body of water. The member has a wall for containing fish food and for defining a feeding area and the wall has upper and...
5785002 Submersible breeding structure  
A submersible structure for breeding piscicultural species in any aquatic environment that includes at least one frame member shaped and devised to accommodate a plurality of bunches of fibers. A...
5769027 Aquaculture container and construction  
An aquaculture container for raising shellfish is formed of a homogeneous, monolithic monocoque shell by forming one or more openings therein and installing screen, net, or mesh over the...
5762024 Aquaculture system  
An aquaculture system for growing aquatic animals such as fish and crustaceans is shown and described. A rigid-walled floating tank is positioned in a body of water, a volume of water being...
5758602 Drift weed trapping and algae growing abalone cage and construction technique  
A cage for growing abalone, or other suitable underwater species, includes a ballast device having a device for holding the cage steady in flowing water. The cage is constructed substantially from...
5715773 Apparatus for aquaculture  
An apparatus for aquaculture, in particular for rearing water-dwelling fry, which is intended to be placed preferably in flowing water or water with some wave formation, is kept floating with the...
5713303 In situ fish incubator  
A fish-cage incubator has a light source for attracting zooplankton therein a mesh barrier that admits zooplankton and excludes predators of fish larvae.
5660141 Process and arrangement for the supply of water to a pond  
An apparatus for breeding fish comprises a pool having an impervious annular outer wall for floating in a body of water. A water distributor is located in an upper portion of the pool for directing...
5653193 Device for growing mollusks, in particular oysters  
The device for growing mollusks and in particular oysters incorporates at least one element constituting a tray (30) for carrying the mollusks that is disposed within a net (24) of tubular shape...
5628279 Fish cage  
A fish cage, comprising: a rigid hexagonal frame enclosed in a grating skin and including a feed tube extending through said grating skin for providing feed to the interior of the cage. The...
5617813 Anchorable mobile spar and ring fish pen  
Anchorable mobile pens for growing fish or shellfish that have an elongate central vertical spar buoy surrounded by at least one horizontal net-supporting ring with continuous netting extending...
5596947 Aquaculture apparatus for use adjacent an offshore fixed platform  
An offshore aquaculture system for use with an oil or gas well production platform or like offshore structure is provided. The platform is preferably supported in four (4) directions by radially...
5549076 Device for use in a rearing unit  
A rearing unit for use in a body of water includes a frame, a net bag held by the frame, a jumping fence mounted peripherally around the frame, a top net attached to the jumping fence to form, with...
5515813 Aquatic cultivator  
An aquatic cultivator (12) suitable for culturing aquatic invertebrates, fishes, and the like requiring broad surfaces for attachment, comprising a base (26), a hub (28), and a plurality of...
5477813 Plant for farming fish and shellfish  
The invention provides a plant for the storage of fish and shellfish that includes a net cage for submerging in a body of water. The cage includes a floor section, surrounding walls with bottom...
5450818 Floating fish cultivating system and related method  
Provided is a system for cultivating fish generally encompassing a container for water and fish, a pumping system for adding water to the container, and a separating device which directs the water...
5438958 Platform supported mariculture system  
The preferred embodiment of the present invention teaches an open water mariculture facility wherein there is provided a central platform/support structure from which uniformly emanates a plurality...
RE34971 Spar buoy pen system  
A spar buoy pen system formed of a net pen, vertical spar buoys, and anchors. The spar buoys are formed of elongate tubular columns having a center of ballet above the center of gravity to float in...
5359962 Center-Spar fish pen  
A spar-buoy pen includes a net that is held open by a single elongated, substantially vertically oriented center spar. The pen of this invention includes either a fixed center spar or a floating...
5329719 Fish raceway apparatus and method  
A floating fish raceway apparatus (10) for raising and harvesting fish in a body of water, the fish raceway apparatus having a frame (11), a flexible mesh cage (12) depending from the frame (11)...
5309672 Submerged platform structure for open ocean macroalgal farm systems  
Disclosed is an open ocean farm structure for attachment of macroalgal plants. The farm structure is made up of linear elements connected with nodes to form a three dimensional truss. The linear...
5299530 Submergible fish cage  
A submergible fish cage comprising: a float; a fish cage; at least one (1) anchor weight; and at least one (1) cable, one end of the cable attached to the float element, a middle portion of the...
5172649 Device for breeding fish in the open sea  
Device for breeding fish in the open sea, comprising a floating cage to which is suspended a netted bag, characterized in that said frame consists in two concentric flexible frames connected by...
5095851 Method and apparatus for mariculture utilizing converted hopper barges or the like  
A new and unique method and apparatus for the farming of redfish and the like. The exemplary embodiment of the present invention teaches an apparatus comprising a converted hopper barge retrofitted...
5092268 Habitat for raising aquatic life  
A habitat for raising aquatic life such as fish, monitors the temperature and the dissolved oxygen content of the water therein and introduces water from the epilimnion to increase the dissolved...
5007376 Spar bouy pen system  
A spar buoy pen system (10) formed of a net pen (14), vertical spar buoys (16), and anchors (18). The spar bouys (16) are formed of elongated tubular columns having a center of ballast above the...
4957064 Offshore fish cage for farming fish  
An offshore fish cage for farming fish comprises a polygonal frame composed of a multiplicity of frame elements. An upper net is hung down from the polygonal frame and is slackened enough so that...
4936253 Marine fish farm  
A marine fish farm includes a submersible cultivation cage having a rigid cylindrical body having annular rings spaced from each other within the cylindrical body and connected to each other by...
4930444 Apparatus and method of fishing for swimming fish  
A method of fishing for swimming fish while nourishing the fish with sea water containing plankton and apparatus therefor. Fish eggs are individually disposed in openings in trays which are fed...
4920921 Modular aquaculture fish pen assembly with slidable divider  
A modular marine flotation collar for aquaculture applications is disclosed. Component collar segments are sealed by bulkheads including a connecting flange. Standard component collar segments may...
4909186 Fish cage for cultivating fish  
A fish cage for cultivating fish comprises a hull shaped vessel composed of outer side platings, inner bottom platings, screen bulkheads and a deck. A device for floating a hull shaped vessel on...
4892059 Apparatus for exchanging a net of fish cage for farming fish  
A fish breeding apparatus with an exchangeable net comprises a hull shaped fish cage with side platings, a bottom plating, screen bulkheads and a deck. A pay out roller for paying out a net into...
4886015 Modular flotation support collar assembly for aquaculture fish pen  
A modular marine flotation collar for aquaculture applications is disclosed. Component collar segments are sealed by bulkheads including a connecting flange. Standard component collar segments may...
Matches 1 - 50 out of 84 1 2 >