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Class Information
Number: 119/227
Name: Animal husbandry > Aquatic animal culturing > Fish culturing > Fish enclosure - recirculating type > With biological filter
Description: Subject matter wherein the recirculated water is treated by a passthrough apparatus in which living organisms are utilized for water treatment.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8677942 Aquaponics system Mar. 25, 2014
8506811 Process and system for growing crustaceans and other fish Aug. 13, 2013
8267045 System and method for aquaculture of marine life forms Sep. 18, 2012
8117992 Aquatic farming systems Feb. 21, 2012
7736509 Probiotic system and aquaculture devices Jun. 15, 2010
7662279 Filtering device, in particular for fish basins Feb. 16, 2010
7624703 Method and device for removal of ammonia and other contaminants from recirculating aquaculture tanks Dec. 1, 2009
7544286 Method and apparatus for enhancing aquatic environments Jun. 9, 2009
7523718 System and method for transporting live aquatic animals Apr. 28, 2009
7462284 Dissimilatory sulfate reduction as a process to promote denitrification in marine recirculating aquaculture systems Dec. 9, 2008
7306733 Autotrophic denitrification chamber and calcium reactor Dec. 11, 2007
7222585 Aquaculture process and apparatus May. 29, 2007
7052601 Process and means for the treatment of water in an aquaculture system May. 30, 2006
7029577 Aquaculture system Apr. 18, 2006
7001519 Integrated closed loop system for industrial water purification Feb. 21, 2006
6966982 Aquaculture water quality ecology system Nov. 22, 2005
6932025 Scalable fish rearing raceway system Aug. 23, 2005
6827855 Method of treating sewage Dec. 7, 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
6447681 Aquaculture wastewater treatment system and method of making same Sep. 10, 2002
6318292 Clean water system and structure of the system Nov. 20, 2001
6210567 Filtration device for tank water for aquarium fish Apr. 3, 2001
6202677 Multi-functional cleaning and filtering system for aquarium tank Mar. 20, 2001
6123841 Waste-water filtration and purification device for fish cultivation Sep. 26, 2000
6065430 Fish culturing system May. 23, 2000
6041738 Fish pond methods and systems Mar. 28, 2000
5979362 Aquaculture system Nov. 9, 1999
5961831 Automated closed recirculating aquaculture filtration system and method Oct. 5, 1999
5792368 Fluidized bed filter Aug. 11, 1998
5693220 Aquarium filtration system for semi-aquatic animals Dec. 2, 1997
5660142 Water quality control in fish ponds Aug. 26, 1997
5593574 Water treatment system particularly for use in aquaculture Jan. 14, 1997
5584991 Filtration system for ponds Dec. 17, 1996
5560318 Method of raising sea-water fish, display tank for sea-water fish and tank system for raising sea-water fish Oct. 1, 1996
5322035 Hydrological system for a closed ecological system Jun. 21, 1994
5176100 Aquarium with closed water recirculatory system for culturing fish and shellfish Jan. 5, 1993
5046451 Fish farm and hydroponic greenhouse Sep. 10, 1991
4951606 Fish tank for intensive fish fattening and process for operating such a fish tank Aug. 28, 1990
4892651 Filtering system for fish ponds Jan. 9, 1990
4861465 Anti-reverse siphoning water circulating system for aquariums Aug. 29, 1989
4806237 Waste removal apparatus Feb. 21, 1989
4427548 Filtering method and apparatus Jan. 24, 1984
4211183 Fish raising Jul. 8, 1980
4169050 Buoyant contact surfaces in waste treatment pond Sep. 25, 1979
4093546 Biological filter Jun. 6, 1978
4067809 Filtering system for fish-farming water Jan. 10, 1978
4052960 Fish rearing system Oct. 11, 1977
4043299 Fish rearing system Aug. 23, 1977

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