229920000915 polyvinyl chloride Polymers 0.000 description 6.239000010796 biological waste Substances 0.000 description 6.230000035511 metabolization Effects 0.000 abstract description 4.239000003337 fertilizer Substances 0.000 abstract description 4.238000011045 prefiltration Methods 0.000 abstract description 6.230000001580 bacterial Effects 0.000 abstract description 6.238000011001 backwashing Methods 0.000 abstract description 30.239000000126 substance Substances 0.000 abstract description 32.241000251468 Actinopterygii Species 0.000 abstract description 182.238000000926 separation method Methods 0.000 claims description 6.XECAHXYUAAWDEL-UHFFFAOYSA-N Acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 16.
Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Ron James filed Critical Ron James Priority to US09/652,228 priority Critical patent/US6447675B1/en Application granted granted Critical Priority to US10/242,059 priority patent/US6709574B2/en Publication of US6447675B1 publication Critical patent/US6447675B1/en Priority to US10/338,935 priority patent/US6685826B1/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US09/652,228 Inventor Ron James Original Assignee Ron James Priority date (The priority date is an assumption and is not a legal conclusion.
#Terraria fishing pond dimensions pdf
Google Patents US6447675B1 - Fish pond filter systemĭownload PDF Info Publication number US6447675B1 US6447675B1 US09/652,228 US65222800A US6447675B1 US 6447675 B1 US6447675 B1 US 6447675B1 US 65222800 A US65222800 A US 65222800A US 6447675 B1 US6447675 B1 US 6447675B1 Authority US United States Prior art keywords container water filtration media cylindrical tubes waste material Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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