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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....
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...
7179373 Removing foreign matter from aquarium water  
Apparatus and method for removing foreign matter from water at selected levels in an aquarium utilize a valving mechanism placed between a skimmer adjacent the upper surface of the water and a...
7001510 Siphon hose with gallon counter  
A siphon to be used when removing water from a personal aquarium for cleaning purposes. The water passes through propellers or flaps of a present friction, which monitor the volume flowing out of...
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...
6761133 Aquarium device  
An aquarium device for draining and cleaning an aquarium. The aquarium device includes a base having a top side, a bottom side, a first side, a second side, a third side and a fourth side. The top...
6444120 Electric aquarium cleaning apparatus  
An electric aquarium cleaning apparatus for removing dirty water and debris from a fish tank and replenishing it with fresh water. The electric aquarium cleaning apparatus includes an intake...
6443100 Debris separating system for fish pens  
A debris separating system for separating debris in a fish tank is formed by a standpipe extending up through the bottom of tank at the center of tank and terminating in an open end. A cover covers...
6007713 Self-cleaning undergravel filter  
An undergravel filter system for removing particulate debris and organic waste from an aquarium environment. The system comprises a screen structures which are sized and configured to completely...
5975022 Aquarium cleaning device  
A device for cleaning and removing debris from aquariums includes a tubular housing defining a chamber, a rotating shaft extending through the chamber and protected from an end thereof, an...
5863426 Aquarium filter device  
An aquarium filter device has a base seat, an air bubble producing device, a hollow lower casing, a hollow lower cylinder, a hollow upper cylinder, and a top disk. The base seat has an upper ring,...
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...
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...
5695654 Apparatus and method for draining, cleaning, and filling an aquarium  
Apparatus for use in draining, cleaning and refilling an aquarium tank including an elongated flexible hose having first and second opposite ends, a tube including an upper distal end for...
5693220 Aquarium filtration system for semi-aquatic animals  
An aquarium filtration system for semi-aquatic animals, such as turtles, frogs and the like, which provides for collection and removal of waste material or debris generated within the aquarium...
5667672 Aquarium undergravel filter  
The present invention is directed to an aquarium undergravel filter. In particular, the undergravel filter of the present invention contains chambers on its underside. The chambers, which are...
5451443 Article anchoring accessory for use with aquariums  
An accessory for firmly anchoring plants and the like at the bottom of an aquarium. A generally planar member is sized to fit within the aquarium, and rests in close proximity and parallel with the...
5279730 Aquarium waste cleaning device  
An aquarium cleaning device comprising a sucking head and a filter disc welded with a bottom opening of the sucking head, and a stirring pipe protruding slantingly through the filter disc and...
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...
5240596 Aquarium cleaning apparatus  
An aquarium cleaning apparatus is described that preferably incorporates a number of features including: (1) a swivel head connected to the siphon hose which rotates as the apparatus is maneuvered...
5179911 Aquarium having a cleaning apparatus  
An aquarium including a tank disposed above a housing, a screen disposed in the housing, a space formed below the screen, a conduit coupling the tank to the housing for supplying water from the...
5160431 Filter for aquariums  
The improved filter particularly for aquariums comprises one or more perforated plates which are arrangeable side by side on an aquarium bottom and which are provided with protrusions which keep...
5131821 Aquarium pump with reversible and adjustable flows  
The pump comprises a cylindrical container for an internal element, associated with a known permanent-magnet and defining two chambers, a lower suction chamber and an upper chamber for the...
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,...
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....
5062951 Filtering device for household aquariums  
A filtering device for household aquariums, the filtering device including a first chamber and a second chamber with a pump unit interposed therebetween, the second chamber having a filter medium...
4985181 Centrifugal pump especially for aquariums  
A submersible centrifugal pump especially for aquariums includes a motor driven impeller for circulating water through the pump and a movable flow indicator visible from the exterior of the pump...
4957623 Aquarium cleaning system using movable undergravel suction head  
An aquarium cleaning system comprises undergravel cleaning apparatus and a fish tank having a bottom wall and side and end walls. The cleaning apparatus in the example illustrated comprises a...
4921614 Aquarium cleaning and filtering system and method  
A system and method for removing waste and debris from an aquarium tank and from the water supply therein without having to empty the tank or remove the fish therefrom. The apparatus comprises a...
4842726 Inside filter for aquariums  
A bottom aquarium filter for an aquarium tank including a substantially cylindrical container having an inwardly directed concave forward wall. A grill wall is removably coupled onto the concave...
4725353 Aquarium cleaning arrangement  
An aquarium cleaning arrangement characterized by the use of an open bottomed casing for selectively defining the boundary of a portion of the pebbles and/or gravel in an aquarium, and where water...
4722670 Aquarium pump and cleaning system  
The fish tank cleaning system of this invention comprises a water pump using power of water flowing at a sink to pull by venturi principle water through a hose from an aquarium to empty the...
4693817 Gravel trap and collar assembly for an undergravel aquarium filter system  
An assembly which is used with an undergravel aquarium filter in order to keep the passage between the bottom cavity under the filter and the uptake tube free from blockage due to gravel. The...
4678568 Multi-use aquarium maintenance system  
A maintenance system for aquariums which utilizes an electrically powered suction force and a lift tube made of flexible plastic tubing. The lift tube may be provided with one or more branch points...
4610784 Method and apparatus for cleaning and filling an aquarium  
A method and apparatus for use in cleaning and refilling an aquarium tank and including an elongated flexible hose, a gravel tube including an upper end connected to one end of the flexible hose,...
4290883 Classifying device for aggregates immersed in a fluid  
A device for separating into two or more components an aggregate of various species of particles immersed in and settled at the bottom of a body of fluid, one application being the removal of...
4268387 Filtration system  
A filtration system, especially for use in aquaria has a lower or first chamber, a middle or second chamber and an upper or third chamber with an interconnecting valve to provide fluid...
4233702 Fish tank rock cleaner  
A fish tank cleaning system comprising a water pump, a hose connected to the water pump, a stone cleaning tool comprising a housing, the lower end of the housing being open to engage rocks on the...
4216090 Under gravel aquarium filter  
A circulating system for an aquarium is provided in which a grid is positioned within the aquarium and disposed upwardly from the bottom of the aquarium to form a chamber between the grid and the...
4206054 Pyramidic aquarium filter-aerator  
An aquarium filter-aerator device having a substantially pyramidic construction with water inlets on all sides that operates on an air-induced water flow principle anywhere along the bottom of an...
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....
4148730 Undergravel aquarium filter  
An undergravel aquarium filter having a housing assembly which can be positioned on an aquarium tank floor underneath the gravel bed and forms a water compartment between the housing and the floor....
4098230 Aquarium  
An aquarium having an aquarium bed, such as gravel, within an aquarium tank defined by a bottom wall and side and end walls and a drain and filter structure therefor. The aquarium includes means...
4081377 Aquaria filtration equipment  
Aquarium filtration equipment in the form of an under gravel or sub-gravel filter, the equipment comprising a synthetic plastics plate from the general plane of which a plurality of substantially...
4072612 Aerator for bodies of water  
An aerator for bodies of water comprises a submerged water intake with a filter on it, that leads to the axial inlet of a centrifugal pump of the type that can handle substantial quantities of air....
4025431 Apparatus for cleaning and aerating water within an aquarium tank  
A filter for an aquarium tank and apparatus for cleaning and aerating water within the tank. A pair of spaced apart but perforated walls are located above and spaced from the bottom wall of the...
4002566 Water purifying systems  
A system for purifying water includes flowing the water through a closed path, supporting a bacteria culture in the path of water disposed transversely thereto, and aerating the water in the path...
3904393 Venturi-type water aerator  
A filtering-type aerator for use in a live box, a minnow bucket, lobster tank, fish aquarium or the like characterized by a centrifugal pump unit, a companion base unit having enclosed water...
3897338 Air cane filter device  
An aquarium filter and aerator adapted to be introduced into an aquarium containing a body of liquid and a gravel bed comprises a rigid elongated tubular member defining a filtration and aeration...
3891555 Aquarium filter with replaceable cartridge  
A filter for the purification and aeration of the water in aquariums and aquaculture pools comprises a dual walled container adapted to receive a replaceable, disposable filter cartridge. The lower...
Matches 1 - 50 out of 81 1 2 >