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| Number | Title | Issue Date |
| 8117992 | Aquatic farming systems A system related to inland farming of seafood products within an environmentally-controlled seafood-farming environment. The seafood-farming environment is preferably established within at least one substantially buried space. The associated apparatus preferably com... | 02/21/2012 |
| 7335298 | Modular aquarium filter A modular aquarium filter includes one or more cartridges connected in series. The cartridges may contain filter media for chemical, biological and/or mechanical filtration. In addition, the cartridges are designed such that they provide a unique internal helical ge... | 02/26/2008 |
| 7306733 | Autotrophic denitrification chamber and calcium reactor The present invention describes novel biological systems for efficiently reducing nitrate levels and otherwise conditioning aquarium water and water in similar environments. ... | 12/11/2007 |
| 7222585 | Aquaculture process and apparatus A method suitable for commercial aquaculture, the method comprising the steps of: (a) at least partially filling a tank (3) with an aqueous medium (13), the tank (3) being adapted for control of the quality of the aqueous medium (13), (b)... | 05/29/2007 |
| 7155377 | Method and system for calculating the spatial-temporal effects of climate and other environmental conditions on animals The present invention is a system and method for accurately calculating the spatial-temporal effects of a variety of environmental conditions on animal individual, population and community dynamics, given the animal's temperature-dependent behaviors, morphology and ... | 12/26/2006 |
| 7094335 | Aquarium filtration system A filter system for use with an aquarium includes a housing having a pre-filter chamber, a biological chamber, and a sump. A protein skimmer receives water flowing from the pre-filter chamber and returns the water to the pre-filter chamber, such that a portion of th... | 08/22/2006 |
| 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 and a downstream anaerobic denitrification unit, wherein both units hav... | 08/01/2006 |
| 7052601 | Process and means for the treatment of water in an aquaculture system A process and a means are described for treatment of water that forms a growth environment for marine organisms, where this water is in a main tank that is placed on land. The invention provides a sufficient treatment/cleaning of the water so that it can be continuo... | 05/30/2006 |
| 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 communicating with the main chamber for removing solids from the main cham... | 04/18/2006 |
| 7001519 | Integrated closed loop system for industrial water purification The present invention relates to an integrated closed loop system for aquaculture in at least one culturing tank and using continuous bioreactor technology for the biological treatment and removal of organic material, nitrogen and phosphorous, comprising: an integra... | 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 |
| 6932025 | Scalable fish rearing raceway system A scalable fish rearing raceway system is provided, incorporating a fish containment structure having two semi-circular end sections, and two or more parallel fish raceways, surrounding a central zone for housing water treatment systems and a secondary fish crop. He... | 08/23/2005 |
| 6827855 | Method of treating sewage A first holding tank includes a base and a plurality of sidewalls extending upwardly from the base to define an open top. An inlet pipe provides raw sewage into tank. Tank is part of a sewage treatment plant comprised of a number of like sequentially interlinked tan... | 12/07/2004 |
| 6730226 | Water purifying method and apparatus A method for purifying water including nitrification by aerobic bacteria and denitrification by anaerobic bacteria in an apparatus by providing an elongated, closed water channel. ... | 05/04/2004 |
| 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 member has a plurality of stanchions. Each of the stanchi... | 12/09/2003 |
| 6630067 | Methods and apparatus for biological treatment of aqueous waste A biofilter system of the present invention utilizes an Alternating-Aerobic-Anoxic (AAA) process in a single reactor to provide efficient and cheap removal of carbonaceous materials, nitrogenous materials, and/or mixtures thereof from aqueous waste. The b... | 10/07/2003 |
| 6447681 | Aquaculture wastewater treatment system and method of making same An aquaculture wastewater treatment system is provided including three wastewater treatment subsystems. The first subsystem is comprised of a fish raceway solids removal channel populated with relatively high densities of a detritivorous fish such as tila... | 09/10/2002 |
| 6318292 | Clean water system and structure of the system A clean water system and structure that positively utilize the natural water purification system present in rivers, the ocean and other natural water bodies to prevent water fouling and stench over the long term and enable low-cost maintenance of ponds an... | 11/20/2001 |
| 6210567 | Filtration device for tank water for aquarium fish A filtration device for tank water for aquarium fish having several partitions dividing the casing into several filtration chambers. A removable filtration cartridge is inserted into each filtration chamber. The cartridge has top and bottom panels with pe... | 04/03/2001 |
| 6202677 | Multi-functional cleaning and filtering system for aquarium tank A cleaning and filtering apparatus and method for a tank such as an aquarium. The major components are an inlet water controller, a suction unit, and a filter container unit. The filter container is selectively connected to the suction unit and a waste ou... | 03/20/2001 |
| 6123841 | Waste-water filtration and purification device for fish cultivation A waste-water filtration device for fish cultivation comprises a thin rotatable filter material through which waste water flows from the inside surface to the outside surface, a removing means which comprises a brush on either of the inside or outside sur... | 09/26/2000 |
| 6065430 | Fish culturing system A fish culturing system including a fish culture tank using opposed water flows, and including a water purification unit using only compressed air to power the system. The fish culture tank uses two opposing flows of water which enable solids to be remove... | 05/23/2000 |
| 6041738 | Fish pond methods and systems This invention pertains to a fish pond system for use as a fish pond amusement park. The fish pond system includes a fish pond having at least one fish container in a deeper, typically a central region, and a pond liner extending outwardly from the fish c... | 03/28/2000 |
| 5979362 | Aquaculture system Aquaculture system includes a plurality of tanks each capable of holding a volume of water and one or more marine animals. A separate liner is provided for each tank. Liners are attached along the upper peripheral edges to their respective tanks. Displace... | 11/09/1999 |
| 5961831 | Automated closed recirculating aquaculture filtration system and method The present invention is an automated aquaculture system which comprises: one or more culture tanks connected to a closed system of filters and ultraviolet or ozone sources for water purification prior to returning water to the culture tanks. Also disclos... | 10/05/1999 |
| 5792368 | Fluidized bed filter A fluidized bed filter is described and claimed. The filter is exemplified for use in an aquaculture system. A preferred embodiment of the filter of the subject invention comprises a cylinder having an inlet port. Water is pumped into the inlet port. The ... | 08/11/1998 |
| 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 while also providing for an artificial pond and a sunning plat... | 12/02/1997 |
| 5660142 | Water quality control in fish ponds There is provided a system for water quality control and improvement in intensive fish culture systems. The aim of the water treatment is to reduce the content of inorganic nitrogen and of organic matter. The system comprises a fish pond, a settling pond,... | 08/26/1997 |
| 5593574 | Water treatment system particularly for use in aquaculture The invention relates to a water treatment system and more particularly to a fish tank and biofilter for use in a fish aquaculture. The fish tank has a double outlet system whereby solid waste particles are drawn continually into a central well by a trick... | 01/14/1997 |
| 5584991 | Filtration system for ponds Accordingly, a filtering system for ponds is provided. The system includes a pond filtering and skimming device having defining a first internal chamber. Disposed within the chamber is a removable net disposed between the inlet and filter to entrain any o... | 12/17/1996 |
| 5560318 | Method of raising sea-water fish, display tank for sea-water fish and tank system for raising sea-water fish A method of raising sea-water fish is performed by raising the sea-water fish in water in a display tank which includes a device for circulating the water in the tank, a filtering material supporting plate having a sand-like filtering material containing ... | 10/01/1996 |
| 5322035 | Hydrological system for a closed ecological system A method for establishing a hydrological cycle in a closed ecological system is disclosed. The hydrological cycle results in the establishment of a variety of different micro-environments which simulate micro-environments of Earth. The hydrological cycle ... | 06/21/1994 |
| 5176100 | Aquarium with closed water recirculatory system for culturing fish and shellfish Toxic metabolic products (e.g., ammonia) in water can be decomposed effectively by a close contact of ammonia with oxygen on the large surface area of plastic substrates in the biofilter tank according to the aquarium of the invention. In the conventional... | 01/05/1993 |
| 5046451 | Fish farm and hydroponic greenhouse Combined fish farm and hydroponic network. The fish farm and hydroponic network are interdependent and operate on a constant body of water which is continuously circulated from the fish tank to the hydroponic network and back to the fish tank. The fish pr... | 09/10/1991 |
| 4951606 | Fish tank for intensive fish fattening and process for operating such a fish tank Intensive fish fattening in open waters is increasingly disturbed by deposits of harmful substances. Fish fattening in artificial ponds is uneconomic because of the considerable outlay in terms of the fresh water and area required. These disadvantages can... | 08/28/1990 |
| 4892651 | Filtering system for fish ponds A filtering system for use with fish-containing ponds and bodies of water is disclosed. More particularly, the filtering system includes chambers for harboring micro-organisms which clean organic waste from the water flowing therethrough from the pond. Th... | 01/09/1990 |
| 4861465 | Anti-reverse siphoning water circulating system for aquariums Apparatus for a recirculating aquarium water supply system having a tank with a discharge control device for maintaining the level of the water in the tank and incorporating an overflow receptacle in the tank and a prefilter receptable outside the tank fi... | 08/29/1989 |
| 4806237 | Waste removal apparatus Apparatus for use in removing waste from a fish culture system including a tank through which water from the system may be circulated, filters mounted in upright and spaced apart relation across the tank so that the water circulates successively through t... | 02/21/1989 |
| 4427548 | Filtering method and apparatus A marine and fresh water filtration and polishing method and apparatus which provides mechanical filtrations; improved removal of chlorinated hydrocarbons, ammonia, and nitrite; aeration; and optionally is capable of buffering water and removing organic c... | 01/24/1984 |
| 4211183 | Fish raising Raising food fish utilizing apparatus including a fish tank having a biological filter submerged in it, by recirculating water through the biological filter to remove ammonia, the water in the fish tank being intermittently recirculated and returned to th... | 07/08/1980 |
