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7578933 Biological filter for aquatic ecosystems  
This invention provides a filtration system for home aquaria that uses a closed-circuit pathway having a surface that contacts a flow of water moving between a tank inlet and tank outlet. The...
7544290 Aquarium  
An aquarium is provided that hides ugly electrical wires. The aquarium comprises: a tank capable of holding water, the tank having an interior and an exterior, and a bottom, the bottom having an...
7484476 Live well oxygenator  
A live well oxygenator includes a vessel having walls constructed of corrosion resistant material. The walls enclose a chamber that functions as a gaseous oxygen storage chamber. Fittings are...
7430989 Aquarium having improved filtration system with neutral buoyancy substrate and sediment removal system  
An aquarium which includes a tank having a pump and an under gravel filter disposed in the tank below the pump and a sediment removal system for collecting and removing sediment which passes...
7316776 Aquarium filtration system with bio-reactor  
An improved aquarium filtration system is provided which includes a bio-reactor chamber. The bio-reactor chamber includes a plurality of bio-balls which have a high surface area for collecting...
7249571 Aquarium having improved filtration system  
An aquarium which includes a tank having a pump and an under gravel filter disposed in the tank below the pump. The under gravel filter includes a hollow bubble dispersing base plate having a...
7162831 Fish bait system  
A fish bait system includes a fish compartment and a filter compartment for maintaining bait fish in a healthy condition for prolonged periods prior to use. The fish bait system allows water to be...
7094336 Aquarium device with enhanced water filtration  
A desktop aquarium device with enhanced water filtration is provided. The aquarium device contains a base and a spherical tank. A filtering dish is installed inside the base. The filtering device...
7087158 Oxygen-supply-capable cooling water equipment, filtration-equipment and filtration-equipped cooling water equipment incorporated with these equipment  
Filtration-function-equipped cooling water equipment that includes: filtration equipment connected to water-purifying, oxygen-supply-capable cooling water equipment, wherein the filtration...
6912972 Water aerating device for aquarium  
A water aerating device for an aquarium includes a container having an entrance and an exit, a pipe attached to the entrance of the container, a hose coupled to the pipe, to supply air into the...
6808624 Replaceable media filtration  
An improved method for using replaceable filtration media in a rotatable drum. A plurality of media cartridges are installed on the rotatable drum. As the drum rotates, the media cartridges are...
6706176 Biological filter attachment for aquarium hang-on filters  
A biological filter for an aquarium hang-on filter that attaches to the outflow of the aquarium hang-on filter. The biological filter includes a multiplicity of convoluted plastic channels over...
6571737 Device for managing fish-raising circulatory water  
A device for managing the fish-raising circulatory water includes a water-storing tank, a filter, an activated carbon filter, a critical filter, a powerful oxidizing device and an ozone sterilizing...
6557492 System for transporting and storing live fish, components thereof and methods based thereon  
A live fish transport system is described herein. In particular, a modular live fish transport tote, an oxygen delivery system, an automated water treatment and delivery apparatus, and a chemically...
6523498 Aquarium having a powerless air pumping device  
An aquarium having a powerless air pumping device includes a cycle filter device, and an air pumping device. The cycle filter device includes a water pumping pipe connecting with the air pumping...
6432312 Closed system for rearing aquatic life  
The present invention provides improvements for indoor closed systems used to raise aquatic life, along with methods to overcome the current problems associated with such indoor closed systems. The...
6352051 Egg-laying tank for home aquarium with egg protection arrangement  
A fish egg-laying tank comprises a housing secured to a fish tank including a recess in the bottom having a plurality of openings on the top, an egg-laying container supported on the housing...
6117313 Method and apparatus for aquaculture and for water treatment related thereto  
An improved aquaculture system is provided which, in various embodiments, utilizes a single integrated unit to perform the biologic filtering, aeration and degassing functions; has a fish tank with...
6080304 Clarifying device for use in an aquarium  
A clarifying device for use in an aquarium that includes a casing having at least one transparent portion. A plurality of clarifying pieces are confined in the casing. Each piece has a bulk density...
6041740 Filtering system for fish bowls with separated stand, drive and pump systems  
A filtering system for fish bowls and aquariums is held in a specifically formed cavity formed integrally at the bottom of the fish bowl or aquarium, which is held in a stand that supports and...
5947058 Aquarium pumping system having enough suction head  
An aquarium pumping system includes: a container having a pump installed in the container and having sand filled in the container, a discharge tube connected between the container and an aquarium...
5921203 Rotating aquarium  
A rotating aquarium for use with live fish and particularly live corals including a canopy with light fixtures, a tank having a central core, a turntable including an electric motor for rotating...
5832870 Manifold for aerating and circulating aquarium water  
A manifold for use in aerating and circulating the aquarium water is composed of a main tube, at least one bypass tube extending from the main tube, and at least one aerating tube extending from...
5800704 Foam flotation protein separatior  
In order to reduce the noise made by a foam flotation separator working on the dispersion apparatus principle and maximise the air supply, the foam flotation separator is designed so as to comprise...
5755961 Aquarium system  
An aquarium system includes an inlet reservoir, an aquarium tank defining a container for water in fluid communication with the inlet reservoir to receive water displaced from the inlet reservoir,...
5695635 Ozone purifying apparatus  
An ozone purifying apparatus comprises a float which is afloat in polluted water and which includes an ozone reaction region in which the polluted water is mixed with ozonide air for the purpose of...
5628281 Aquarium filtering and heating system  
An energy efficient aquarium system with a separate cover wherein the lamp or lamps are located below the filters and filter ponds thus heating the filter pond bottom and sides to further heat the...
5588396 Spawning case for use in an aquarium  
A spawning case for use in an aquarium comprises in combination a rectangular case body (A) and filter (B). The case body (A) is arranged within the aquarium so as to communicate with water. The...
5554280 Filter system  
A filter system is used in water treatment for removing organic waste from fresh or salt water found in aquariums and culture systems and to facilitate gas exchange between water and atmosphere....
5460722 Biochemical dripping board for aquariums  
A biochemical drip board for aquariums formed of a flat board having a plurality of short posts extending down from the bottom, and at least a hanger at one end, each said short post having a very...
5385665 Apparatus for the foaming of organic components in water  
An apparatus for the foaming of organic components in sea water or sweet water has above a pump or other bottom part capable of forcing water upwardly an upstanding aeration vessel in which a...
5380160 Power head assembly for a protein skimmer  
A protein skimmer for clearing the impurities in an aquarium, comprising a skimmer body, an impurities collector, a top cover, a power head, an intermediate partition plate, a side partition plate,...
5336401 Water filtration and aeration system for aquariums  
A water filtration and aeration system fastened to an aquarium to let gas (CO2, O 2 ) be admitted in minute bubbles into water and then to let treated water be guided back to the aquarium. The...
5322622 Filtering device for an aquarium tank  
An improved filtering device for an aquarium tank, particularly a filtering device in which a plurality of "U" notches are formed at equal distance in the rim of the cup, the arc section formed by...
5318701 Tandem pump/filter for aquarium  
A tandem pump equipped with a pair of pump units that are assembled together each having a water inlet and a water outlet. Each water outlet duct is associated with a control chamber which is...
5316670 Filtering device for aquariums  
A filtering device including a lower housing engaged on a base and communicated with the base, an upper housing disposed above the lower casing, a tube communicating the base to the upper housing,...
5269914 Undergravel filtration system  
An improved filtration system for an aquarium having a water-filled habitation area with the water being aerated and circulated. The filtration system comprises a perforated platform adapted to be...
5245945 Aquarium assembly having partition forming aeration/filter chamber  
A novel aquarium assembly includes a transparent fish tank that is made of integrally molded plastic. The fish tank confines large and small receiving spaces therein. A top cover is mounted...
5234581 Wet/dry filtration system utilizing mechanical, biological and chemical means  
An undergravel wet/dry trickle system utilizing mechanical, biological and chemical filtration is described. This system provides the advantage of compact size coupled with efficient purification...
5207900 Sponge aquarium filter  
A special, single-piece, absorbent sponge acts as the main filtering element for an aquarium filter. The present invention incorporates conventional air lines, bubble tubes and stem sockets in a...
5203990 Inside multi-functional aquarium sponge filter  
An inside multi-functional sponge filter for an aquarium tank is described which consists of a vertical cyclindrical sponge filtering medium surrounding two interchangeable cylindrical components...
5190647 Aquarium venturi tube  
An organization to direct increased fluid flow through the tube to effect filtration and aeration thereof is provided formed with an upper tube coaxially aligned within and spaced from a lower tube...
5171437 In-tank aquarium filter  
An aquarium filter which is positioned within the aquarium tank on top of and in direct contact with a means of support so that the filter is upwardly disposed from the bottom of the aquarium tank...
5139659 Aquarium air-lift water pump, aerator, and filter  
A combined water pump, aerator, and filter for an aquarium comprises a central connecting manifold 68, a vertical outer air tube (26) which extends down into a fish tank (12). Pressurized air (22)...
5092991 Filtering device  
A filtering device which is disclosed herein comprises a rising pipe bascially shaped into a cylinder having a drain port at its upper end and placed within a box-like basin to vertically extend,...
5084164 Filter assembly for an aquarium  
A filter assembly and housing for use with an aquarium includes a housing formed of two molded halves of high impact thermoplastic resin each having a flange and wherein the flanges are fastened...
5066394 Aquarium aeration and recycling apparatus  
Apparatus including an aquarium tank formed of a floor and spaced side walls with the organization arranged interiorly of the aquarium adjacent to an upper water level of water within the aquarium....
5042425 Aquarium and bird and animal containment system  
An aquarium and bird and animal containment system for displaying marine life, birds and animals, which system includes an aquarium support or rack for displaying one or more aquariums or tanks...
5026477 Water purifying combination and ultraviolet lamp therefor  
A water purifying device which includes a plurality of barrels connected one after another by means of thread engagements into an elongated tube having an inlet end and an outlet end. A number of...
4994177 Bait well water spray aerator with vast filtering capacity  
A bucket-type shaped container including a removable top and downwardly facing suction cups is provided for disposition within and suction cup support from the bottom of a reservoir containing...
Matches 1 - 50 out of 79 1 2 >