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Document Title |
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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...
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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...
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6565330 |
Heating and pumping device for liquids, in particular for water of aquariums
A heating and pumping device for liquids, in particular for water of aquariums, the device comprising a pump ( 24 ) having a pump body ( 32 ) and a thermo-heating element ( 26 ) having a...
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6061500 |
Electronic heater for an aquarium
An electronic heater structure includes a tube body, a heating wire disposed on the bottom of the interior of the tube body and a temperature controlling circuit. The temperature controlling...
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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...
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5567315 |
Lifting-lowering type aquarium filter
A filter for aquarium operating in accordance with the lifting-lowering principle comprises a housing with at least one filter compartment for a filter material, a pump which aspirates water after...
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5514280 |
Aquarium filter
A filter system is provided for mounting on an aquarium tank to treat the water in the aquarium. The filter system comprises a plurality of filter chambers, each containing a different filter...
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5474673 |
Top mounted biological filtration system for an aquarium
A wet/dry filter system that is mounted on the top of an aquarium allows flexible flow control to and between the wet section and the dry section.
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5299424 |
Aquarium heater and cooler
A combination aquarium heater and cooler apparatus is provided which utilizes a feedback circuit to automatically maintain the fluid in an ecosystem at an operator set desired temperature. The...
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5097795 |
Water purification system and apparatus
A water purification system creates an integrated, small-scale marine or fresh water ecosystem that is particularly useful as a home, school, office, or laboratory aquarium. In operation, water...
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5081954 |
Method of raising fish
Water from a fish growth tank is pumped through multiple filter tanks containing a filter media and injected with ammonia fixing bacteria. Metabolic wastes from the fish growth tank are absorbed by...
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5057667 |
Aquarium heater
An aquarium heating system utilizes a conductive coating on an aquarium glass viewing window to heat the aquarium water. The conductive coating is transparent and is disposed on the surface of at...
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5054424 |
Aquarium ecosystem
An ecosystem is created in an aquarium using a main tank and a filter tank. The main tank provides a suitable environment for aquatic animals and has a series of tubes along the bottom to...
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4867102 |
Thermoelectric aquarium cooling unit
An aquarium cooling unit comprising a thermoelectric cooling device and a thermostat for regulating the temperature of an aquarium. In one embodiment the cooling unit is in conjunction with a heat...
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4807565 |
Gravity filter system aquarium
An aquarium system consist of an open topped fish tank, a base cabinet stand and an encased cover, wherein unclarified aquarium water is drawn downwards by gravity and filtered below the tank,...
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4528940 |
Aquarium
A self-contained aquarium having a three section construction including a main section, a heat control section and filter section. A visible horizontal capillary flow tube extends from the heat...
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4236488 |
Separable multi-component aquarium filtering and cleaning device
This invention relates to an internal multi-component accessory for tall aquariums (those whose depth makes the aquatic life inaccessible and cleaning of the inside walls of the aquarium...
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4182267 |
Apparatus for keeping aquatic animals alive over long period of time
Aquatic animals can be kept alive over a long period of time by utilizing the apparatus of the present invention comprising: a water tank for containing aquatic animals and environmental water,...
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4151810 |
Aquarium with improved filter and temperature control system
An aquarium tank is provided with a hood formed with a filter compartment. A pump circulates water from the tank through the filter compartment and back into the tank for purification and aeration....
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4082062 |
Integrated aquarium
A novel integrated aquarium is disclosed wherein all of the necessary mechanical functions (air pump, lighting, heating) are located in a compartment provided as part of the aquarium base and those...
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3971338 |
Aquarium apparatus
An aquarium system is made self contained, even for salt water, by providing it with a sub-gravel filter in series with a carbon filter, and ultra-violet sterilizer and a temperature control unit,...
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3855970 |
AQUARIUM
An improved aquarium for fish capable of living only in water in a given temperature range. The aquarium has a heat exchange coil therein near its bottom and the coil is coupled to an external...
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3468288 |
AQUARIUM CONDITIONER
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3324829 |
Cabinet type aquariums
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3232271 |
Integral unitary aquarium
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3059091 |
Combination heater, aerator, and backdrop for aquarium
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