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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6276302 |
Aquarium |
Aug. 21, 2001 |
| 6210567 |
Filtration device for tank water for aquarium fish |
Apr. 3, 2001 |
| 6117313 |
Method and apparatus for aquaculture and for water treatment related thereto |
Sep. 12, 2000 |
| 6106709 |
Filtering device for aquariums |
Aug. 22, 2000 |
| 6086755 |
Floating hydroponic biofiltration device |
Jul. 11, 2000 |
| 6080304 |
Clarifying device for use in an aquarium |
Jun. 27, 2000 |
| 5965016 |
Fluidized bed aquarium filtration system |
Oct. 12, 1999 |
| 5961831 |
Automated closed recirculating aquaculture filtration system and method |
Oct. 5, 1999 |
| 5932092 |
Filtering apparatus having positively buoyant and negatively buoyant particulate |
Aug. 3, 1999 |
| 5910248 |
Water filtration |
Jun. 8, 1999 |
| 5879567 |
Method of purifying aquarium water using a pressurized, tank mounted, fluidized bed filter |
Mar. 9, 1999 |
| 5866018 |
Vortex aquarium filter |
Feb. 2, 1999 |
| 5860393 |
Aquarium water flow control device |
Jan. 19, 1999 |
| 5858793 |
Sterile or specific pathogen free environment products |
Jan. 12, 1999 |
| 5807480 |
Filtration device in a tank having control unit to generate high and low tides in tank |
Sep. 15, 1998 |
| 5799612 |
Compact and efficient photosynthetic water filters |
Sep. 1, 1998 |
| 5792368 |
Fluidized bed filter |
Aug. 11, 1998 |
| 5755961 |
Aquarium system |
May. 26, 1998 |
| 5705057 |
Fluidized bed biological filter assembly for fish tanks |
Jan. 6, 1998 |
| 5693220 |
Aquarium filtration system for semi-aquatic animals |
Dec. 2, 1997 |
| 5647983 |
Aquarium system |
Jul. 15, 1997 |
| 5628905 |
Biological aquarium filter with means to keep the siphon tubes primed |
May. 13, 1997 |
| 5603831 |
Dual impeller pump |
Feb. 18, 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 |
| 5536398 |
Algal filter for water treatment |
Jul. 16, 1996 |
| 5527453 |
Apparatus for treating dirty water aerated by solar powered compressor |
Jun. 18, 1996 |
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