Matches 1 - 34 out of 34
Match Document Document Title
7624703 Method and device for removal of ammonia and other contaminants from recirculating aquaculture tanks  
A method for reducing ammonia concentration in an aqueous medium caused by the presence of fish gill/urine discharge, fish faeces and uneaten organic fish-feed particulate matter in recirculating...
5894936 Drum separator for brine shrimp eggs  
A drum separator for separating brine shrimp eggs from a slurry containing an agglomeration of adult brine shrimp, brine shrimp eggs and debris includes a fluid source to maintain a slurry. The...
5791290 Larval incubator for fish larva culture  
An incubator (10) comprising a cylindrical tank (11) with a bottom wall (12) and a side wall (13). The tank is provided with a clean or regenerated water supply system (17), a waste water discharge...
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.
5293838 Method and apparatus for incubating eggs and larvae of fish crustaceans and similar organisms  
A method for incubating eggs or larvae of fish, crustaceans, or related organisms. The eggs or larvae are located in depressions in the surface of a plate formed of an aqueous polymeric gel, and...
5156111 Methods and apparatus for transporting, incubating, and growing out the eggs of aquatic creatures  
Methods and apparatus for transporting, incubating, and growing out the eggs of aquatic creatures. The apparatus includes an insulated container and a spacing structure which rests on the bottom...
5046452 Method and apparatus for breeding roes or eggs of aquatic animals  
A method for breeding roe or eggs of aquatic animals, e.g. fish, comprising maintaining the roe or eggs in an oxygen-containing gaseous environment, e.g. air, in direct contact with the gas of the...
4998505 Salmonid egg incubator  
A salmonid egg incubator has a plurality of cells each for containing a single salmonid egg. Each cell has walls for retaining the egg and an alevin hatched therefrom alevin outlet opening one of...
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...
4742798 Incubator and method of incubation and hatching fish eggs and fry  
An incubator for hatching fish eggs and incubating fry including a housing suitable for holding water, having a floor and a top. A pressure plate for evenly distributing pressure in the upper...
4697546 Method for production of tetraploid channel catfish  
A method for the induction of tetraploidy in channel catfish by heat-shocking fertilized eggs is described. Fertilized catfish eggs are treated after a preliminary incubation period and prior to...
4489674 Method for production of a triploid channel catfish and product of method  
A method for the induction of 100% triploidy in channel catfish by cold-shocking fertilized eggs at about 5° C. for up to about 1.0 hour starting about 5 minutes after fertilization.
4471718 Apparatus for incubating fish eggs  
An apparatus (20) for incubating fish eggs is disclosed. The incubating apparatus (20) includes an insulated container (22) for holding a plurality of preferably square tubes (24). Apparatus (20)...
4370947 Tropical fish egg incubator  
Tropical fish eggs are placed on a slate and fertilized and the slate is placed in an incubator in a water circulator which includes an air stone for drawing water across the eggs in the chamber...
4214551 Fish egg supporting system  
A system for supporting fish eggs including a waffle-patterned surface providing individual fish egg supporting apertures. The apertures are in a noncircular form to permit the flow of fluids and...
4205626 Larval table  
A larval table for the collection of the early life stages of fish; i.e., eggs, larvae and juveniles as well as invertebrate macrozooplankton is disclosed. The larval table assembly includes a head...
4182269 Incubator for salmonid eggs and alevin  
Incubation apparatus for use in hatching salmonid eggs in the production of the intermediate stage alevins and the ultimate fish fry is provided. Incubation trays are stacked in a container to...
4180012 Fish egg incubator with fry release means  
The eggs are incubated in a stack of relatively spaced liquid containers, each of which has a basin therein through which the incubation liquid undergoes upward flow and then weirs over opposing...
4178878 Fish egg planting method  
Described herein is a novel method for the implantation of fish eggs usually salmonidae eggs in a stream or lake bed and the accompanying apparatus. In practicing this invention the stream or lake...
4177758 Rearing apparatus for fish fry  
A rectangular rearing tank is provided with an underflow outlet conduit extending to beneath a tank corner where it couples to a smooth-curved transitional conduit section forming a bottom part of...
4159009 Raising sac fry or alevins in densely packed incubators  
Alevins or sac fry can be efficiently incubated under crowded conditions such that the biomass-to-water weight ratio is between 48:1 and 100:1; provided that oxygenated water--rather than aerated...
4130086 Fish egg planting device and method  
Described herein is a novel method for the implantation of fish eggs usually salmonidae eggs in a stream or lake bed and the accompanying apparatus. In practicing this invention the stream or lake...
4094270 Fish egg incubating device  
Fish egg hatching device comprising perforated box with shelf to support fertilized eggs during incubation. Newly hatched fry can migrate through slots in shelf to lower fry rearing chamber in...
4080929 Method and apparatus for brooding fish  
Both a method and apparatus are disclosed for incubating fish eggs. The incubator is specifically suited for eggs normally incubated by mouthbrooding. However, other brooding forms are equally well...
4064836 Aquatic tank  
An aquatic tank is disclosed comprising a frame-like base which may be formed from a one piece continuous or open loop member configured into a predetermined shape and designed to support a...
4014293 Fish egg incubator  
A fish egg incubator consisting of an upper removable egg tray having a sen bottom and a lower trough containing a rugose material substance is described. Water flows continuously over both the egg...
3902457 Egg separator for fish hatchery  
Incubating fish eggs are separated from non-fertilized eggs by dropping the eggs onto a downwardly inclined surface from which the incubating eggs bounce over a barrier into a receiver. The...
3886905 Fish propagation method  
A method and apparatus for propagating fish from fish eggs. A layered deposit of fertilized eggs is prepared within a confined zone circumscribed by the walls of a tank. Eggs incubate in this...
3765372 PROCESS AND APPARATUS FOR MARICULTURE PRODUCTION  
A mariculture process for raising salt water fishes, such as pompano, whereby a brood stock is isolated in an artifically controlled environment, the temperature and degree of light exposure and...
3738317 APPARATUS AND METHOD FOR HATCHING FISH  
Apparatus for and method of incubating a plurality of fish eggs wherein the apparatus includes a frame holding a plurality of selectively positioned trays each supporting a quantity of fish eggs...
3683853 FISH EGG INCUBATOR  
A fish egg incubator apparatus is provided which solves the problems of containing the fish eggs while gently circulating water around them for hatching purposes and subsequently transferring the...
3028837 Spawn tray assembly  
3024764 Fish egg incubators  
2982246 Fish egg incubator tray cartridge latching system  
Matches 1 - 34 out of 34