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Class Information
Number: 119/260
Name: Animal husbandry > Aquatic animal culturing > Aquarium > Filter > Biological type
Description: Subject matter wherein the filtering system contains organisms which process wastes to decontaminate the circulated water.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8475657 Method and device for filtering liquid in an aquarium Jul. 2, 2013
8206579 Aquarium filtration system Jun. 26, 2012
8017007 Filtering unit for an aquarium Sep. 13, 2011
7997232 Aquarium Aug. 16, 2011
7918995 Filter device for water tank Apr. 5, 2011
7910001 Arrangement of denitrification reactors in a recirculating aquaculture system Mar. 22, 2011
7897042 Entrapping immobilization pellets for purifying breeding water, process and apparatus for purifying breeding water, and aquarium set Mar. 1, 2011
7886696 Home aquarium Feb. 15, 2011
7833418 Mechanical/biological filter for a filtration system Nov. 16, 2010
7807053 Water filtration system Oct. 5, 2010
7794590 Entrapping immobilization pellets for purifying breeding water, process and apparatus for purifying breeding water, and aquarium set Sep. 14, 2010
7682503 Filtration and surge with no moving parts Mar. 23, 2010
7670484 Filter cartridge construction with carbon profile Mar. 2, 2010
7658842 Filter cartridge assembly with water collection Feb. 9, 2010
7638044 Aquarium filter housing with rounded bottom Dec. 29, 2009
7631616 Aquarium Dec. 15, 2009
7618534 Aquarium filter Nov. 17, 2009
7604734 Water filtration system Oct. 20, 2009
7601258 Aquarium filter water return chamber Oct. 13, 2009
7601259 Aquarium filter Oct. 13, 2009
7578262 Filtration apparatus for aquaria Aug. 25, 2009
7578933 Biological filter for aquatic ecosystems Aug. 25, 2009
7569139 Aquarium filter assembly and filter element Aug. 4, 2009
7527730 Water filtration system and its use May. 5, 2009
7491323 Water distributor device for aquariums, ponds and the like provided with a possible biological filter Feb. 17, 2009
7488417 Aquarium filter assembly Feb. 10, 2009
7462284 Dissimilatory sulfate reduction as a process to promote denitrification in marine recirculating aquaculture systems Dec. 9, 2008
7335298 Modular aquarium filter Feb. 26, 2008
7316776 Aquarium filtration system with bio-reactor Jan. 8, 2008
7311819 Aquarium filter Dec. 25, 2007
7244356 Autotrofic sulfur denitration chamber and calcium reactor Jul. 17, 2007
7094335 Aquarium filtration system Aug. 22, 2006
7094336 Aquarium device with enhanced water filtration Aug. 22, 2006
7082893 Aquaculture nitrogen waste removal Aug. 1, 2006
7060181 Dual density filter cartridge Jun. 13, 2006
7033491 Aquarium filter Apr. 25, 2006
7029577 Aquaculture system Apr. 18, 2006
6966982 Aquaculture water quality ecology system Nov. 22, 2005
6939708 Method of rapid bio-cycling of an aquarium Sep. 6, 2005
6858143 Apparatus for the biological purification of water containing organic materials and derived products thereof Feb. 22, 2005
6843909 Three-stage aquarium filtration Jan. 18, 2005
6830681 Device and method for holding water for accommodating and growing aquatic organisms Dec. 14, 2004
6797163 Filtration devices Sep. 28, 2004
6730226 Water purifying method and apparatus May. 4, 2004
6659043 Aquarium water circulation system Dec. 9, 2003
6630067 Methods and apparatus for biological treatment of aqueous waste Oct. 7, 2003
6585888 Aquarium filter system with interchangeable filter cartridges Jul. 1, 2003
6450122 Decorative water display including a low maintenance aquatic animal basin Sep. 17, 2002
6357392 Apparatus and method for raising fish and/or shellfish Mar. 19, 2002
6283061 Terrarium filter plate Sep. 4, 2001

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