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| Number | Title | Issue Date |
| 7681529 | Diffuser and anchor An aquarium aerator unit includes an anchor that is weighted by an aquarium bedding material. The anchor includes a lower portion that has a defined edge and spaced-apart side sections proximate to the lower portion. An inner space is formed between the side section... | 03/23/2010 |
| 7363877 | Method of emptying a container, and use of the method A method of emptying a large container of e.g. 12000 litres for the storage of fish, such as shellfish, e.g. shrimps, said container being emptied through a pipe in the container, air being supplied simultaneously with the emptying. The air is expediently supplied t... | 04/29/2008 |
| 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 conduit (18). The second conduit (... | 04/29/2008 |
| 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 assembly with a second permanent strong magnet that is magnetically at... | 06/19/2007 |
| 7213537 | Airflow diverter for use in an aquarium A method of altering airflow of an aquarium air supply by placing a bottle over the air supply thus, altering the airflow. The method can be accomplished using a decorative attachment assembly that covers an air stone in an aquarium. The assembly includes a bottle h... | 05/08/2007 |
| 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 pumped from the fish compartment through a filter having a standard n... | 01/16/2007 |
| 7134403 | Aquarium overflow system standpipe An aquarium overflow system includes a standpipe with snap-fit mounting constructions, an air vent, air and water apertures, and an adjustable height version. ... | 11/14/2006 |
| 7094340 | Anti-spray aquarium airlift tube elbow An exit elbow for an aerated aquarium lift tube, designed so that by the combination of a top-most air release baffle and a submerged release jet, that the inevitable water spray from the implosion of aeration bubbles is contained within the exit elbow itself and no... | 08/22/2006 |
| 7044081 | Bifurcated habitat for animals A bifurcated habitat includes a bifurcated frame having a divider traversing the frame and a plurality of compartments defined on opposed sides of the divider. One compartment is isolated from the remaining compartments for maintaining a predetermined volume of wate... | 05/16/2006 |
| 7033491 | Aquarium filter An aquarium filter to increase dissolved oxygen and improve water quality comprised of a box containing a segregated water inlet tank, a water collection tank, and multiple filtration tanks; water introduced into the water inlet tank being pumped by a submerged moto... | 04/25/2006 |
| 7033506 | Device and method for water treatment by foaming The invention relates to apparatus for treating water by skimming, the apparatus comprising: a reaction chamber (8); injector means (4) for delivering the water for treatment via an injection orifice ... | 04/25/2006 |
| 7022227 | Multifunctional filtering device for an aquarium A multifunctional filtering device for an aquarium mainly includes a filter box for being suspended at an aquarium. The filter box includes a pump motor for producing mixture of water and air and a vortex flow generator disposed at the center of the inner side of th... | 04/04/2006 |
| 7014176 | Fluid distribution system and associated methods A fluid grid system for use with filter systems and other fluid handling devices. Preferably, the fluid grid system is designed such that components thereof may be readily connected to each other without the use of clips or other fasteners. Further, the fluid grid s... | 03/21/2006 |
| 7011748 | Water aerating and dirt collecting assembly for aquarium A water aerating device for an aquarium includes a housing having a chamber to receive a guide device which is arranged between an inlet and an outlet of the housing, a paddle wheel is rotatably attached onto the guide device, and a pumping device may be used to pum... | 03/14/2006 |
| 7000568 | Aquarium overflow system standpipe An aquarium overflow system includes a standpipe with snap-fit mounting constructions, an air vent, air and water apertures, and an adjustable height version. ... | 02/21/2006 |
| 6966982 | Aquaculture water quality ecology system An aquaculture water quality ecology system to improve water quality in an aquaculture pond by guiding water into a physical filtration tank at the top of the system, then flow into a sedimentation tank to rid of algae, pathogenic bacteria, and parasites before bein... | 11/22/2005 |
| 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 pipe, and a pump may pump the water from the pipe into the container via... | 07/05/2005 |
| 6869530 | Multifunctional internal marine aquarium filter An internal marine aquarium filter that provides within a single enclosure protein skimming, biological, mechanical and chemical filtration where the unit creates direct adjustable current for the aquarium independent of the activities of filtration and uses one int... | 03/22/2005 |
| 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 the pump, to pump air into the water contained in the chamber of the ... | 02/22/2005 |
| 6808625 | Aquarium protein skimmer The aquarium protein skimmer utilizes a re-circulating water pump to create a re-circulating flow of water within the skimmer's reaction chamber. The re-circulating water flow retains air bubbles within the reaction chamber for a longer period of time, increasing th... | 10/26/2004 |
| 6796273 | Switching current water director (SCWD) for aquariums The present invention relates to a water director for distributing a surge or flow of water to one or more of a plurality of output ports, which can vary in shape, size, and number, typically for use in marine and fresh water aquariums. Water pumped through a condui... | 09/28/2004 |
| 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 filter is provided that is in fluid communication with the... | 12/23/2003 |
| 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 device, so that the motor and the water pumping pipe of the ... | 02/25/2003 |
| 6464886 | Device and method for creating spherical particles of uniform size Spherical particles having a size on the order of 0.1 to 100 microns in size are created by systems and devices of several types. The device includes a source of a stream of gas which is forced through a liquid held under pressure in a pressure chamber wi... | 10/15/2002 |
| 6314910 | Air-activated fish feeder A fish feeding mechanism that disburses fish food within a fish tank in metered quantities, allowing fish the time to consume the food before it settles. The feeding mechanism is affixed to the inside of the fish tank by a suction cup or a suspension hook... | 11/13/2001 |
| 6303028 | Protein skimmer A foam fractionation protein skimmer for removing organic waste material from organic loaded water, the protein skimmer including an upright reaction chamber with an uppermost throat in flow communication with a foam collection cup for collecting a protei... | 10/16/2001 |
| 6276303 | Aerator holder A holder (4) for retaining an aerator conduit (5) for placement on the bottom (6) of an aquarium tank (1). The holder has a trough with at least one side wall (11a,b) and a retaining means, such as channel (12), in the trough. The holder may be supported ... | 08/21/2001 |
| 6197835 | Device and method for creating spherical particles of uniform size Spherical particles having a size on the order of 0.1 to 100 microns in size are created by systems and devices of several types. The device includes a source of a stream of gas which is forced through a liquid held under pressure in a pressure chamber wi... | 03/06/2001 |
| 6156209 | Protein skimmer A protein skimmer for removal of protein contaminates from protein contaminated water. An injector is used for spraying protein contaminated water into a mixing chamber having a water bubble chamber. The spraying motion causes bubble generation in the wat... | 12/05/2000 |
| 5988601 | Portable water aerator and circulation system The present invention generally provides a portable system for maintaining aquatic life that require oxygenated water, such as fish, shrimp, other marine animals, microbial populations, plant life and combinations thereof. The system generally includes a ... | 11/23/1999 |
| 5938981 | Water aerator and circulation system The present invention generally provides a system for maintaining aquatic life that require oxygenated water, such as fish, shrimp, other marine animals, microbial populations, plant life and combinations thereof. The system generally includes a container... | 08/17/1999 |
| 5876639 | Livewell and baitwell aerator An improved aerator for oxygenating water and generating a circulating current within a livewell or baitwell while minimizing damaging turbulence. The aerator includes a downstream expansion area to reduce exit velocity, and an air intake conduit position... | 03/02/1999 |
| 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 the bypass tube such that the aerating tube is parallel to t... | 11/10/1998 |
| 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 a dispersion pump (2) which draws in water and a gas such... | 09/01/1998 |
| 5657719 | Strainer structure for aquarium A strainer structure for an aquarium, has an improved bubbles generator for producing finer bubbles and increasing oxygen solution. The micro bubbles generator is located between an air intake tube, and an oxygen solution tube and has a plurality of vent ... | 08/19/1997 |
| 5640930 | Automatic cleaning aquarium An automatic cleaning aquarium has a top aquatic section (1) with vertical walls (2) and a bottom waste section (3) having tapered walls (4) which funnel to a valved flushing orifice (5). A grate-supported screen (8, 9) separates the top aquatic section f... | 06/24/1997 |
| 5562821 | Foam fractionator A foam fractionator which can create a vortex is utilized to remove proteins from an aquatic environment by skimming. The vortex is created by a propeller arrangement located at the bottom of an internal chamber, centrally located within a main reaction c... | 10/08/1996 |
| 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. The filter includes an air and organic waste laden water mix... | 09/10/1996 |
| 5538627 | Air releaser An aerator for an aquarium has a connector for connecting the aerator to an existing filter system. An air receiving and dispensing chamber is annular and defined between a lower annulus and an upper perforate annulus. Walls on the lower annulus mate with... | 07/23/1996 |
| 5484525 | Foam fractionation protein skimmer assembly A foam fractionation protein skimmer assembly/apparatus for removing organic waste material from water within an aquarium includes a foam fractionation column adapted to be partially submerged in the water in an aquarium and an aerating water pump which m... | 01/16/1996 |
