Class 119/218 - Fish incubator or hatching tray

Subclass of Class 119 - Animal husbandry
Definition: Subject matter including apparatus by which fish eggs are
No. of patents: 28
Last issue date: 04/10/2007

Number	Title	Issue Date
7201114	Apparatus for guiding aquatic crustaceans by utilizing their biological tendency responding to bright and dark contrast Apparatuses for directing the displacement of aquatic crustaceans are provided and are particularly used to carry out the methods for attracting the motion of aquatic crustaceans after feeding by utilizing their biological tendency responding to a bright and dark co...	04/10/2007
7174850	Multi-layered aquaculture system By directing the none-molting crustaceans to move into a predetermined area in a culture tank, the present invention discloses a multi-layered aquaculture system with shallow-water containers which is based upon the utilization of the methods and apparatus to elimin...	02/13/2007
7000567	Method for guiding aquatic crustaceans by utilizing their biological tendency responding to bright and dark contrast A method for directing the displacement of aquatic crustaceans after feeding by utilizing their biological tendency responding to a bright and dark contrast is provided. This method comprises steps to generate the visual effect of this bright and dark contrast at a ...	02/21/2006
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 fluid source may be an internal spray jet disposed to spray a...	04/20/1999
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 system (18), a device (19) for altering the gas level to ...	08/11/1998
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....	02/03/1998
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 the surface is sealingly covered with a porous membrane capa...	03/15/1994
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 wall of the container. One or more egg containers are placed...	10/20/1992
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 oxygen-containing gaseous environment, and humidifying the...	09/10/1991
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 the walls is dimensioned to prevent the alevin from escapin...	03/12/1991
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 with fresh sea water containing plankton until the eggs are a...	06/05/1990
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 portion of the housing spaced above the floor. The housing havi...	05/10/1988
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 first cell division cleavage by immersing the fertilized egg...	10/06/1987
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....	12/25/1984
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) is portable and may be operated in a recirculation mode or ...	09/18/1984
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 containing the slate while air bubbles rise to the top in th...	02/01/1983
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 gases around the egg supported in each aperture. The apertu...	07/29/1980
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 or water delivery module, two or more screen separation m...	06/03/1980
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 which hatchery water is supplied and from which it departs, in...	01/08/1980
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 sides of the basin into outflow chambers from where it disch...	12/25/1979
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 bed substrate is subjected to high pressure hydraulic flus...	12/18/1979
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 a weir chamber through which both underflow and overflow e...	12/11/1979
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 water--is circulated through the incubator. Preferably, the...	06/26/1979
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 bed substrate is subjected to high pressure hydraulic flus...	12/19/1978
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 which fry may remain protected from predators until they reach...	06/13/1978
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 attended. The apparatus includes a cylindrical, screened ...	03/28/1978
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 flexible tank therefrom. The tank may include a single layer havi...	12/27/1977
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 tray and rugose substrate. The eggs hatch out on the scr...	03/29/1977

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Class 119/218 - Fish incubator or hatching tray