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7335297 |
Power aquarium cleaning/gravel vacuum
A gravel vacuum, including a pump, a detachable suction base connected to the pump to which a suction tube can be attached, a filter connected to the suction base, a return assembly, at least one...
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7316775 |
Air-powered filter arrangement
A filter including a filter housing having a spillway and a pneumatic intake assembly that draws water from an aquarium into the filter housing. The filter housing being configured to internally...
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7314741 |
Anaerobic ammonium oxidation for water treatment in recirculating aquaculture
Disclosed herein are planctomycetes sp. which convert ammonia to nitrogen under anaerobic conditions, filtration and aquaculture systems comprising said bacteria, filtration media comprising said...
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7311822 |
Aquarium
The present invention provides a compact design and provides an improved viewable area. In an exemplary embodiment, the present invention comprises a container having a height, a depth and a width....
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7294257 |
Water filter
A filter unit for filtering particulates and other foreign matter from a water supply, comprising a filtering chamber. At least a portion of an exterior of the filtering chamber being provided with...
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7288189 |
Multi-faceted intake filter for an aquarium
A multi-faceted intake filter for an aquarium includes a top surface portion, a bottom surface portion and a plurality of side surface portions that collectively define a filter body is formed from...
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7276169 |
Method for filtering water in an aquarium, a water cultivation tank and similar water bonds, and corresponding filtering system
A method for filtering the water of an aquarium, a water cultivation tank or similar water bonds, by means of a filtering system comprising a closed vessel and defining a chamber, a filtering body...
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7264714 |
Protein skimmer
A protein skimmer for use in purification of water by culture of fish or other water organisms in a reservoir, aquarium or ( 2 ) with a circulation system comprising one or more discharge tubes ( 4...
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7232519 |
Fish tank powerhead magnetic holder
A fish tank powerhead holding device is taught, the device comprising a first magnetic assembly with a first permanent strong magnet and a non-stick surface adhered to one side, a second magnetic...
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7214314 |
Cleaning apparatus and method
A portable cleaning device for removing sediment from an enclosure retaining water. The cleaning device includes a pump, a housing, and a receptacle. The pump creates a fluid flow through the...
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7211188 |
Solar powered aquarium
Solar powered aquarium with a water holding vessel suitable for use as a table top aquarium powered by one or more solar cells. The aquarium vessel includes a secondary bottom held up from the main...
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7029577 |
Aquaculture system
A self-contained aquaculture system comprising a modular building defining a first main chamber for containing fish or marine invertebrates, a second swirl chamber comprising a primary filter...
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6893557 |
Skimmer basket weight
A skimmer basket weight is provided, which is made of a heavy material having a density greater than 1.0 g/cm 3 , coated with a water proof coating, and is configured to have a circular outer...
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6878267 |
Fish tank vacuum
A fish tank vacuum, for use with a fish tank having a fish tank interior and an intake pipe, for removing debris from the fish tank interior with a suction nozzle. An attachment assembly connects...
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6857392 |
Aquarium pumping and airing apparatus
An aquarium includes a pump disposed in a chamber of a container to circulate water and having a spindle. An air supplying device is coupled to the spindle of the pump and driven by the spindle of...
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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...
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6770194 |
Water overflow device and water return device
A system for circulating water between a container and an external system in such a way as to maintain a desired water level in the container may include, an overflow assembly and a return...
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6764597 |
External tank filter, in particular for an aquarium
A filter external to a tank, including a vessel, a lid for closing the vessel, a basket disposed in the vessel for housing filtering components, a top wall bearing sealingly in a central part of...
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6712960 |
Filter for filtering water for a pump for an aquarium or a pond
A filter for filtering water for a pump for an aquarium or a pond, which filter comprises a housing ( 14 ), at least one inlet in the housing ( 14 ), at least one outlet in the housing ( 14 ), at...
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6645376 |
Tube connection assembly with safety locking system for external filters for aquariums
A tube connection assembly for external filters for aquariums comprising a container that is closed by an upper lid and contains at least one filtering mass crossed by a water stream that is forced...
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6641718 |
Aquarium filtering system
An aquarium filtering system for gravity flow systems wherein a float valve is incorporated in the drain conduit from the aquarium, wherein the float valve is operated by the water level of...
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6605212 |
Removal of pollution from aqueous bodies
A method and device for removing pollution from polluted water, consisting of a rod on which are mounted an array of spaced magnesium plates and an array of spaced copper plates. The copper plates...
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6440315 |
Process and apparatus for filtering, and for reducing algae formation or killing algae in fish tanks, and the like
A finely divided mesh cloth of bronze, brass, and/or copper is employed in the water circulation system of a fish tank and thereby prevent/inhibit/remove algae formation or outright kill these...
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6254769 |
Aquarium maintenance system
An aquarium-maintenance system has a transparent filtering canister (1) with quick-joint inlet attachment (3) and quick-joint outlet attachment (8) to transparent aquarium tubing (5, 13) together...
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6235188 |
Water pollution evaluating system with electrolyzer
When the water stored in a reservoir 1 and containing chlorine ion and/or bromine ion is supplied to and circulated through an electrolyzer 4 and electrolyzed therein to create hypochlorous acid...
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6202597 |
Filter for aquaria
A filter for aquaria has a bag shape, an outermost layer of filter cloth made of long fiber non-fabric, an inner layer of filter net made of polyester, a mouth inlet formed in one end and the other...
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6051132 |
Aquarium filtration system intake tube cover
An aquarium filtration system intake cover, for use in aquariums having a filtration system having an intake tube having an intake tube mouth and an intake tube outer wall, comprising a net. The...
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5942109 |
Apparatus for the treatment of liquids
An apparatus for the treatment of liquids, particularly of cycled water of fish tanks or of ponds with an irradiation unit which is intended to act upon the liquid with light, particularly UV...
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5942105 |
Float actuated water control valve
A float actuated water level control valve has a sliding valve tube depending from a float to meter the amount of water flow through the valve proportionally in response to the position of the...
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5881753 |
Passive fluid level controller
A fluid level controller which replaces fluid lost from a container thus maintaining the fluid level in the container. It is comprised of the following major pieces: an airtight reservoir (10) with...
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5866018 |
Vortex aquarium filter
An aquarium filter is provided having a first annular chamber and an inlet or near the top of the chamber. The inlet is constructed and positioned to direct water into the chamber in a swirling...
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5827431 |
Amazon rainmaker
A system whereby freshwater and saltwater aquaria water may be stripped and sterilized to near laboratory quality distilled water standards and injected with appropriate chemicals and compounds...
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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...
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5783070 |
Pollutant tray for aquarium
An improved pollutant tray structure for an aquarium, which comprises a pollutant tray and a filter cover; the pollutant tray includes a given number of such trays connected together in series; the...
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5776335 |
Gas entrainment flotation reactor with arrangements for separating solids from liquids
A flotation/entrainment reactor is poured with a plurality of concentric tubes forming respective chambers, the tubewear for receiving and filtering a liquid from solids contained therein, and with...
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5750023 |
Self-priming pumping device for hydraulic circuits
The pumping device comprises a pump driven by a motor having a stator and a permanent-magnet rotor located between polar expansions and connected to an impeller. A liquid suction duct and a liquid...
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5736055 |
Cartridge for photocatalytic purification of fluids
The present invention relates to a replacable cartridge for use in a photocatalytic fluid purification system. The cartridge is capable of modifying impurities in a fluid flowing through the...
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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...
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5626747 |
Aquarium overflow filter system having a pre-overflow wall
An aquarium overflow filter system having a pre-overflow wall with openings therein improves circulation of water throughout the aquarium tank. The overflow filter system includes an overflow wall...
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5585010 |
Aquatic tank filtering system
A filtering apparatus for use generally in filtering the fluid of an aquarium. It consists of a clear housing that is submerged within the tank with this housing having both intake and discharge...
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5529751 |
Aquarium pH adjustment apparatus
An apparatus is provided for adjusting the pH of water in an aquarium. A measured sample of the aquarium's water is combined with a chemical indicator. The pH of the aquarium is then determined. If...
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5474674 |
External filtration device particularly for aquariums and ornamental water tanks
The invention relates to an external filtration device, particularly for aquariums and ornamental water tanks, which includes a container formed by a lower hollow part (2) that is closed at the top...
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5449454 |
Gas expelling device for a canister type filter
An apparatus for expelling gas from within a sealed container. The apparatus may include a device for collecting gas in a predetermined area within the container as well as a device for drawing the...
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5433843 |
Marine aquarium with a dialysis water purification system
A marine aquarium or a marine holding system has a tank connected to a closed loop circulation system. The closed loop communicates with an open loop through an osmotic and hydrostatic pressure...
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5413707 |
Aquarium surface sweep prefilter
An aquarium prefilter or surface skimmer which utilizes an open collection chamber having a plurality of vents providing communication between the surface water in the aquarium and the interior of...
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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...
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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,...
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5294335 |
Filter device for aquarium tanks or artificial ponds
An improved filtering device for aquarium tanks and artificial ponds mainly comprises a water injector which is made up of a top cover plate and a water injector base, a multi-layered filtering...
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5282961 |
Floating impeller assembly
A floating impeller assembly for use with an electromagnetic stator unit includes a stationary shaft with a magnetic rotor rotationally mounted on the shaft. An impeller unit is rotationally...
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5277800 |
Inner filter for aquarium
An inner filter for an aquarium has means forming a pump chamber, a filter chamber, a suction opening, and outlet opening, a suction passage which communicates with the pump chamber and the filter...
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