Matches 51 - 100 out of 138 < 1 2 3 >

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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...
6286460 System, apparatus, and method for underwater tagging of marine fauna  
A system, apparatus, and method for underwater self-contained and remotely controllable tagging of marine fauna involves emplacement of a tagging unit that can be used for example in a fishing...
6260831 Apparatus for aerating water with fine bubbles  
An apparatus for aerating water with fine bubbles using elastomeric members having fine openings is provided. The apparatus is provided with one or more lifting bodies in such a way that the...
6164244 Method for treating aquatic pests  
A novel method for eliminating or reducing, or otherwise treating, aquatic pests using juglone or juglone analogs is described. The methods are useful for removing zebra mussels and quagga mussels...
6161504 Apparatus for collecting live marine animals  
An apparatus for collecting and discharging live marine animals, the apparatus having a collection chamber for holding the marine animals, an inlet conduit having one end extendible into a body of...
6148769 Serial culture system for microalgae, live food animals and fish fry  
The present invention provides a compact culture system to produce microalgae, live food animals and fish fry (new born fish) in a serial manner. The culture system is composed of three individual...
6145476 Fish holding system  
An holding apparatus immobilizes a fish of a known and fixed orientation. The holding apparatus includes a vessel having a set of walls defining an interior chamber into which the fish and water...
6103225 Methods of aquaculture by feeding larval shrimp Thraustochytrium and/or Schizochytrium microflora  
Disclosed is a process for growing the microflora Thraustochytrium, Schizochytrium, and mixtures thereof, which includes the growing of the microflora in fermentation medium containing...
6062170 Method and apparatus for plankton reduction in fish farming  
Method and apparatus for reducing or eliminating the contamination by algae or phytoplankton in a fish farm (100). A series of tarpaulins (112) are suspended from buoyant members (103) which...
6055936 Sea cucumber carotenoid lipid fractions and process  
Processing methods and compositions of matter are disclosed for lipid fractions of sea cucumber intestinal mass and body wall tissue suitable for the healthfood industry and aquaculture feed...
6050550 Apparatus for aeration and bottom agitation for aqua-culture systems  
The invention generally provides an apparatus that aerates the aquatic environment and agitates the bottom of the aquatic environment. One aspect of the invention provides a variable buoyancy...
6050225 Radio controlled release apparatus for animal data acquisition devices  
A novel apparatus for reliably and selectively releasing a data acquisition package from an animal for recovery. The data package comprises two parts: 1) an animal data acquisition device and 2) a...
6038494 Control system for enhancing fish survivability in a hydroelectric power generation installation  
A system for controlling a hydroelectric power production facility includes sensors for detecting the presence of fish adjacent to the facility. A controller linked to the sensors controls the...
6016770 Acclimating salt-water fish to brackish or fresh water  
The present invention provides a process for acclimating a salt-water fish that is adaptable to acclimation to brackish or fresh water by initially placing the fish in water having about one half...
5967085 Sea water well-driven heat exchange system coupled to an agricultural system and aquaculture preserve  
A sea water well source is used to supply cold sea water to a pair of serially connected thermal exchange systems. The sea water outflow from the second system is then supplied to an aquaculture...
5893337 Process for optimizing the growth of fish by controlled injection of oxygen  
A process for optimizing the growth of fish reared in a pond, comprising injecting oxygen into the pond in a controlled quantity according to different cycles.
5849185 Gravity vacuum system  
A gravity vacuum system for a fish tank which will fit onto any standard fish tank and will get rid of waste through a gravitational system. The top of the system is a false bottom for the upper...
5778823 Method of raising fish by use of algal turf  
A method of producing mature fish using an algal turf as feedstock. The method consists of first growing an algal turf in a growth reservoir while subjecting the turf to an oscillatory water...
5733464 Method and apparatus for the mechanical filtration of pond water  
A pond filtration device for filtering impurities from pond water and a backflush system for cleaning the filtration device. The illustrated embodiment includes a watertight body with a filter...
5669330 Aquatic organism habitat device  
A synthetic habitat device providing for the enhancement of open estuary systems with regard to the survival potential of juvenile fish. The device is an assembly composed of a horizontal member...
5660140 Method and system for using coal mine water runoff by raising cold water fish therewith  
A method and system are provided for using coal mine water effluent and for raising cold water fish. The method involves aerating coal mine water effluent having a water temperature of from 12...
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...
5340120 Fish rodeo game and method having a lasso apparatus and method  
A fish rodeo game (10) enables a game participant to catch fish (52) floating within a water body (12) utilizing a lasso apparatus (50). The water body (12) is confined within an enclosure (14). A...
5336399 Apparatus for purifying and activating water  
An apparatus for purifying and activating water is provided. The apparatus comprises a drive shaft having a hollow inside, a capsule secured to a lower end of the drive shaft, a device for...
5324940 Color-encoded fluorescent visible implant tags and method for identification of a macro-organism therewith  
For the identification of macro-organisms, especially fish, visible implant tags having identification codes of fluorescent colorants are implanted into at least partially transparent tissue of...
5307052 Bio-amplifier for sensing the bio-electric field of fish  
The present invention provides a bio-amplifier in a water quality system. The bio-amplifier detects and amplifies a ventilatory behavior of a fish. The ventilatory behavior is converted to a...
5305711 Tank for electroanesthetizing fish  
Anode and cathode electrodes are placed at the upstream downstream ends of an elongated tank containing fish to be electroanesthetized by applying an electric signal to the electrodes to create an...
5251571 Submersible cage system for culturing aquatic animals  
A submersible cage system for cultivating aquatic animals comprises a rigid frame defining a geodesic enclosure, a net supported by the rigid frame to define a water permeable enclosure for the...
5220880 Method and apparatus for maintaining live fish during transportation and storage  
A cylinder is made of opaque material with a diameter slightly larger than the largest cross-section of the fish to be stored. Water is introduced directly into the cylinder or into a chamber...
5221458 Electroforming process for endless metal belt assembly with belts that are increasingly compressively stressed  
An electroforming process for forming a multilayer endless metal belt includes forming increasingly compressively stressed successive layers on a mandrel, and assembling the layers to form a...
5216976 Method and apparatus for high-intensity controlled environment aquaculture  
Post-larval organisms are introduced and held for growth to marketable size in a controlled environmental unit which has a dome over a body of water. The configuration of the unit and the...
5215595 Oil removal from animals, fish and birds using viscoelasticity  
This invention relates to a method for removing oil from the internal and external surfaces of birds, fish and water fowl or from the internal and external surface of seals, otters and other...
5215035 Apparatus for the handling of live fish and fish fry and use of the apparatus  
An apparatus for separate handling of live fish including a plurality of holders placed radially on a turntable mounted on a stainless steel table on which is also mounted a basin for the fish,...
5211129 Syringe-implantable identification transponder  
An improved transponder for transmitting an identification of an animal or the like is described which is sufficiently miniaturized to be syringe-implantable, thus avoiding the necessity of...
5158037 Device for raising aquatic animals  
Device for aquaculture, especially for raising fish and/or plankton, with addition of oxygen-containing gas and nutrients, with aerating devices 21 to 24 arranged in pools or ponds 1 of a suitable...
5140855 Monitoring tank modules and array for use with biological sensors  
A monitoring tank for fish used as biological sensors wherein water being monitored for quality and toxins continuously flows. Extraneous noise is mostly eliminated by suitable grounding. Aluminum...
5103767 Method and a machine for the vaccination of fish  
In a method for vaccinating fishes, the fishes are first anaesthetized in a vessel (1) containing anaesthetic-admixed water. From the vessel, the fishes-as they are anaesthetized and as a...
5076208 Ultrasound-mediated administration of compounds into aquatic animals  
A method for administering compounds, including proteins, non-protein drugs, and nucleic acids, to aquatic animals, especially fish, in an aquatic medium wherein the compound is added to the...
5054422 Multi-layered gaseous phase cultivation  
The present invention comprises tray-like shallow vats placed upside down and horizontally at intervals in a culture tank so as to provide partitioned air spaces in mid water. When gas is sent,...
5046451 Fish farm and hydroponic greenhouse  
Combined fish farm and hydroponic network. The fish farm and hydroponic network are interdependent and operate on a constant body of water which is continuously circulated from the fish tank to...
5040486 Symbiotic production method for microalgae and fishes  
A method for producing biomass of microalgae and fishes economically by establishing a symbiotic relation between the above two organisms in a culture pond exposed to sunlight or artificial...
4993363 Method of raising farm animals by exposing them to toys  
A method of raising farm animals including mammals, birds, and fish, provides the farm animals with playing toys to improve their behavioral characteristics, feeding habits, mortality rates, and...
4972801 Pumping system for producing oxygen enriched water useful in the growing of aquatic life  
A plurality of reservoir tanks, which receive water from a deep water well, in order to provide a water habitat for the fish contained therein. The water received from the deep water well is...
4970988 Method and apparatus for monitoring animal migration  
Method and apparatus for monitoring migration of tagged fish which also facilitates their retrieval, including a selectively activated floatation device and securing member and a method for...
4961400 Rotating brush aeration system  
An apparatus for aerating fish ponds utilizes a cylindrical brush mounted for rotary motion below the top of a dam or headwall. Water passing over the dam and falling into a fish pond below the...
4941432 Fish protection system  
A fish protection system comprises a plurality of guard plates and support means for supporting the guard plates on the surround of a fish pond so as to position the guard plates around the...
4934318 Method of lamprey control  
A method of controlling the population of sea lamprey wherein a suitable treatment site is chosen and rocks of a sufficient size and concentration are then introduced to the floor of the...
4920670 Fish tag  
A fish tag includes a monofilament having a retention member on one end and a flexible indicia bearing tube positioned about the monofilament. The second end of the monofilament extends beyond the...
4915059 Raceway culturing of fish  
Fish are cultured in one or more flumelike watercourses or "raceways" bounded by raceway-defining means. The water flow rate is such that the fish swim substantially continuously to maintain...
4913093 Intensive aquaculture system  
A growing fish population, started in a single tank is sub-divided as the fish grow so that the capacity of the fish to absorb nutrients and produce waste, throughout the growth process, is...
Matches 51 - 100 out of 138 < 1 2 3 >