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7631616 Aquarium  
The aquarium creates a smooth circulation of water flowing through mechanical, biological, and chemical filtration mechanisms. The three filtration mechanisms are housed in a vertical first...
7628913 Aquarium filter cartridge and filtration system  
An aquarium filter cartridge including activated carbon or the like and a housing wherein the water traces an S-shaped path is disclosed. In the S-shaped path the water flows horizontally through a...
7601258 Aquarium filter water return chamber  
An improved water return system for water reservoirs such as aquariums and ponds that provides a return of filtered water through a series of holes rather than a curved weir or spillway. The use of...
7594998 Aquarium filter assembly and filter element  
An aquarium filter assembly includes a housing having a filter cartridge and a water pump and defining a flow path therethrough from upstream to downstream from an inlet to an outlet. A replaceable...
7591233 Device for dispensing carbon and/or carbon dioxide, particularly for aquariums  
A device for dispensing CO 2 , that is to say carbon or carbon dioxide, which can be fitted in aquariums or containers for holding live fish, comprising a dispenser casing ( 11 ) or body, equipped...
7578262 Filtration apparatus for aquaria  
A filtration device ( 10 ) for aquarium tanks comprises a body ( 11 ), divided using special baffles ( 12 ) into a set number of intercommunicating chambers (I, II, III etc . . . ) can be housed so...
7569139 Aquarium filter assembly and filter element  
An aquarium filter assembly includes a housing having a filter cartridge and a water pump and defining a flow path therethrough from upstream to downstream from an inlet to an outlet. A replaceable...
7553411 Filter cartridge  
A filter cartridge including a filtering body. The filtering body having a non-horizontal or rounded bottom edge that aids in draining water from the filter cartridge during filter maintenance.
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...
7537692 Self-cleaning aquarium and associated method  
A self-cleaning aquarium includes a container for receiving and housing water includes a wall having a plurality of apertures formed therein. A corrugated base member has juxtaposed crests and...
7527730 Water filtration system and its use  
The present invention relates to a filtration system for purifying water, in particular aquaculture water. Furthermore, the invention relates to a method of purifying water wherein water is...
7527729 Aquarium  
The invention relates to an aquarium comprising a water tank and a sieve that is arranged in the water tank; the sieve comprises a filter and a driving mechanism supplying power to the filter. The...
7513991 Aquarium filter indicator  
A clogging indicator for a fish tank or aquarium comprising a transparent vertical tube with a float positioned therein. The indicator is designed to sit on the outside of the tank and the filter...
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...
7429321 Aquarium filter cartridge and filtration system  
An aquarium filter cartridge including activated carbon or the like and a housing wherein the water traces an S-shaped path is disclosed. In the S-shaped path the water flows horizontally through a...
7416659 Filter apparatus with fluid bypass  
A filter arrangement for filtration of a primary fluid, the filter arrangement having a filtration region and a bypass region. The bypass region is a sealed region containing a secondary fluid...
7381326 Mega flow system  
An aerated recirculated aquaculture system including a culture tank and an aeration and circulation system. The culture tank houses live aquaculture. The culture tank defines a first flow path. The...
7363878 Waste extraction system  
A waste extraction system ( 10 ) for an aquaculture tank ( 12 ) includes a first conduit ( 18 ) having a first end ( 20 ) and a distant second end, with a second conduit ( 22 ) disposed within the...
7360502 Sand sifting/cleaning device for an aquarium  
An accessory for a cleaning apparatus for an aquarium having a granular substance covering a bottom surface of the aquarium including a rigid handle having a handle distal end and a handle proximal...
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...
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...
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....
7303665 Aquarium drainage and waste detection system  
An aquarium drainage system having a filter, funnel, clear tube, sensor housing, light sensor, light beam generator, waste indicator light, primary valve, secondary/safety valve, safety cap and...
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...
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...
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...
7273547 External type filtration device  
The present invention relates to a filtering apparatus including a filter device externally hitched on a wall surface of an aquarium. A water pump pumps water stored in the aquarium into the filter...
7252762 Filter housing arrangement with cartridge guides  
An aquarium filter arrangement including a filter housing and a filter cartridge positionable within a filter chamber of the filter housing. The filter arrangement includes a hinged cover connected...
7241379 Filter housing arrangement  
An aquarium filter arrangement including a filter housing and a filter cartridge positionable within a filter chamber of the filter housing. The filter arrangement includes a hinged cover connected...
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...
7112275 Water tank filter and purifier  
A water tank filter having a double structure including an inner filter having a small pore size for trapping fine particles of filth from tank water and situated within a hollow outer filter...
7082893 Aquaculture nitrogen waste removal  
The present invention relates to a two-stage biofilter reactor system for removing nitrogenous compounds from a recirculating aquaculture system. The system includes a aerobic nitrification unit...
7081198 Aquarium  
An aquarium includes a bottom tank which has a pump circulate water via a first pipe and a first drainage pipe provided on top of the bottom tank to maintain water level in the bottom tank in a...
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...
7001509 Aquarium filter having self-priming arrangement  
An external aquarium filter comprises a flow resistive, porous member disposed between a partition wall and the filter housing. Responsive to stopping the pump, water in the intake chamber begins...
6896799 Fish aquarium  
An aquarium system comprising a water-tight fish tank and a screening means that divides the fish tank into an upper section and a lower section, one or more barriers that divide the lower section...
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...
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...
6797163 Filtration devices  
The present invention relates to filter devices and methods of using such devices for mechanical, chemical and biological filtration pond and/or aquarium water.
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...
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...
6755981 Aquarium cleaning system  
A water circulation and filtration system for maintaining a high level of water quality in aquariums is provided. In one embodiment, the inventive system comprises a vertical water flushing tube...
6732675 Protein foam remover for aquarium  
A protein foam remover of an aquarium comprises a water pump, a protein foam removing means, and a water flow buffer; when the water pump is turned on, the water pump with an air mixing function...
6722314 Method for improving conditions in closed circuit fish farming  
The invention relates to a method for improving conditions in closed circuit seafood and fish farming, comprising the following steps: a) at least part of the water from at least one of the rearing...
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...
6666168 Waterfall aquarium cleansing system  
A waterfall aquarium cleansing system provides a tank that includes a base, a pair of first sides, a pair of second sides, the first and second sides having a height all defining a main chamber. A...
6659043 Aquarium water circulation system  
A aquarium water circulation system for facilitating removal of water and cleaning of an aquarium. The aquarium water circulation system includes a support member having a base portion. The support...
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...
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...
6585888 Aquarium filter system with interchangeable filter cartridges  
An aquarium filter system comprising a pump, a manually positionable valve assembly, and one or a plurality of interchangeable filter cartridges. The filter cartridges are interchangeable and...
Matches 1 - 50 out of 140 1 2 3 >