# US 9,775,330 B1 · Aquaponic system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,775,330 B1 - Document ID: US9775330B1 - Status: Granted - Kind: B1 - Application number: 15/615,863 - Filed: 2017-06-07 - Granted: 2017-10-03 - Earliest claimed: 2017-06-07 - Applicants: Chun-Ku Chen - Inventors: Chun-Ku Chen - Web page: https://patentgrep.com/patent/US9775330B1 ## CPC - A01K 63/003: {Aquaria; Terraria (A01K63/04, A01K63/06 take precedence)} - A01G 31/02: Special apparatus therefor (self-acting watering devices A01G27/00) - A01G 31/06: Hydroponic culture on racks or in stacked containers - A01K 63/00: Receptacles for live fish, e.g. aquaria (keepnets or other containers for keeping captured fish A01K97/20); Terraria - A01K 63/045: {Filters for aquaria} - C02F 3/327: {characterised by animals and plants} - C05F 3/00: Fertilisers from human or animal excrements, e.g. manure - A01G 31/00: Soilless cultivation, e.g. hydroponics (growth substrates therefor A01G24/00; cultivation of seaweed A01G33/00) - C02F 1/001: {Processes for the treatment of water whereby the filtration technique is of importance (C02F1/44 takes precedence; construction of filters in general B01D24/00 - B01D41/00)} - C02F 2103/20: from animal husbandry - Y02A 40/20: Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses - Y02P 20/145: the feedstock being materials of biological origin - Y02P 60/21: Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures - Y02W 10/10: Biological treatment of water, waste water, or sewage - A01K: ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS - A01G: HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING (picking of fruits, vegetables, hops or the like A01D46/00; propagating unicellular algae C12N1/12) - C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes) - C05F: ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE - Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS - Y02W: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT ## Abstract An aquaponic system includes a frame, an aquarium located at a lower portion of the frame and provided with a motor, a plurality of cultivating tanks arranged on the frame and having two opposite sides provided with a plurality of inlet tanks and a plurality of outlet tanks, and a strainer unit mounted on the frame. Each of the outlet tanks is connected with a lower one of the inlet tanks. The strainer unit includes a water outlet port connected with the water inlet pipe, a water inlet port connected with a water feeding pipe, two hollow clamping plates located between the water outlet port and the water inlet port, a filtering sponge clamped between the two clamping plates, a fertilizer ferment chamber located under the water inlet port, and a drain pipe connected with the fertilizer ferment chamber. ## Claims ### Claim 1 An aquaponic system comprising: a frame; an aquarium located at a lower portion of the frame and having an interior provided with a motor; a plurality of cultivating tanks arranged on the frame and having two opposite sides provided with a plurality of inlet tanks and a plurality of outlet tanks; and a strainer unit mounted on the frame; wherein: each of the inlet tanks is provided with a water inlet seat; the water inlet seat of the uppermost one of the inlet tanks is connected with a water inlet pipe; each of the outlet tanks is connected with a lower one of the inlet tanks; each of the outlet tanks is provided with a water outlet seat which is provided with a water outlet tube; the water outlet tube of the lowermost one of the outlet tanks is connected to the aquarium; the strainer unit includes: a water outlet port connected with the water inlet pipe; a water inlet port connected with a water feeding pipe which is connected with the motor of the aquarium; two hollow clamping plates located between the water outlet port and the water inlet port; a filtering sponge clamped between the two clamping plates; a fertilizer ferment chamber located under the water inlet port; and a drain pipe connected with the fertilizer ferment chamber; and the water inlet port is located at a position lower than that of the water outlet port. ### Claim 2 (depends on 1) The aquaponic system of claim 1, wherein: the frame includes a plurality of connectors, a plurality of upright tubes, a plurality of transverse tubes, a plurality of adjusting tubes, a plurality of stands, a plurality of pins and a plurality of fasteners; each of the connectors allows insertion of two of the upright tubes; each of the connectors is provided with two mounting sleeves allowing insertion of two of the transverse tubes; the lowermost one of the connectors has a lower end connected with one of the adjusting tubes; each of the adjusting tubes has a lower end provided with an external thread; each of the stands has an upper end provided with an internal thread screwed onto the external thread of one of the adjusting tubes; each of the connectors, each of the mounting sleeves, each of the upright tubes, each of the transverse tubes and each of the adjusting tubes is provided with an aperture allowing insertion of the pins and fastened by the fasteners; each of the pins is provided with an annular groove; and each of the fasteners is provided with a C-shaped snap ring retained in the annular groove of one of the pins. ### Claim 3 (depends on 1) The aquaponic system of claim 1, wherein a plurality of inverted U-shaped securing plates are located between the cultivating tanks, the inlet tanks and the outlet tanks to connect and secure the cultivating tanks, the inlet tanks and the outlet tanks. ### Claim 4 (depends on 1) The aquaponic system of claim 1, wherein: the water inlet seat of each of the inlet tanks has a water intake port; the water intake port of the uppermost one of the inlet tanks is connected with the water inlet pipe; and the water outlet tube of each of the outlet tanks is connected to the water intake port of the water inlet seat of a lower one of the inlet tanks. ### Claim 5 (depends on 1) The aquaponic system of claim 1, wherein: each of the cultivating tanks has a first end provided with a hollow external thread and a second end provided with a through hole; the hollow external thread of one of the cultivating tanks extends through the through hole of another one of the cultivating tanks, and a nut is screwed onto the hollow external thread, so that the cultivating tanks are connected serially; each of the inlet tanks is provided with a plurality of hollow external threads each of which extends through the through hole of one of the cultivating tanks, and a nut is screwed onto the hollow external thread, so that the cultivating tanks and the inlet tanks are combined together; and each of the outlet tanks is provided with a plurality of through holes, the hollow external thread of each of the cultivating tanks extends through one of the through holes of one of the cultivating tanks, and a nut is screwed onto the hollow external thread, so that the cultivating tanks and the outlet tanks are combined together. ### Claim 6 (depends on 1) The aquaponic system of claim 1, wherein the frame includes a plurality of hanging brackets. ### Claim 7 (depends on 1) The aquaponic system of claim 1, further comprising: a plurality of illuminating devices located above the cultivating tanks. ### Claim 8 (depends on 1) The aquaponic system of claim 1, wherein: two hollow clamping plates are mounted in the water outlet seat of each of the outlet tanks, and a filtering sponge is clamped between the two clamping plates; the water outlet seat of each of the outlet tanks has a bottom provided with a water outlet hole, and a housing is received in the water outlet seat and located above the water outlet hole; the housing has a bottom provided with a plurality of passages and a plurality of wings arranged between the passages; the housing has a closed top face provided with a plurality of channels extending through the housing and connected to the passages, and ambient air passes through the channels into the water outlet seat; the water outlet tube extends through the water outlet hole of each of the outlet tanks; the water outlet tube is provided with an outer thread, and a nut is screwed onto the outer thread of the water outlet tube; the water outlet tube has an upper end provided with an enlarged stop edge, and an O-ring is mounted on the water outlet tube and located between the stop edge and the bottom of the water outlet seat; the water outlet tube has a lower end provided with a reduced pipe joint connected with a water drain pipe which is connected with the water intake port of the water inlet seat of a lower one of the inlet tanks; the pipe joint has an inner wall provided with a projection; a siphon is mounted in the housing and inserted into the water outlet tube; the siphon has an upper end provided with a water entrance which has an outer diameter smaller than an inner diameter of the housing, and a water intake space is defined between the water entrance and the housing; and the water entrance has a lower end provided with a reduced conic portion which has a lower end provided with a water outlet line. ### Claim 9 (depends on 8) The aquaponic system of claim 8, wherein the water outlet line has a periphery provided with a plurality of positioning teeth positioned in an inner wall of the water outlet tube, and the positioning teeth are moved upward or downward in the water outlet tube. ### Claim 10 (depends on 8) The aquaponic system of claim 8, wherein each of the wings is provided with a positioning portion, and the stop edge of the water outlet tube abuts the positioning portion of each of the wings of the housing. ### Claim 11 (depends on 8) The aquaponic system of claim 8, wherein the projection protrudes inward and has area that is one third of a cross-sectional area of the pipe joint. ### Claim 12 An aquaponic system comprising: a frame; an aquarium located at a lower portion of the frame and having an interior provided with a motor; and a plurality of cultivating tanks arranged on the frame and having two opposite sides provided with a plurality of inlet tanks and a plurality of outlet tanks; wherein: each of the outlet tanks is connected with a lower one of the inlet tanks; each of the cultivating tanks has a first end provided with a hollow external thread and a second end provided with a through hole; the hollow external thread of one of the cultivating tanks extends through the through hole of another one of the cultivating tanks, and a nut is screwed onto the hollow external thread, so that the cultivating tanks are connected serially; each of the inlet tanks is provided with a plurality of hollow external threads each of which extends through the through hole of one of the cultivating tanks, and a nut is screwed onto the hollow external thread, so that the cultivating tanks and the inlet tanks are combined together; each of the outlet tanks is provided with a plurality of through holes, the hollow external thread of each of the cultivating tanks extends through one of the through holes of one of the cultivating tanks, and a nut is screwed onto the hollow external thread, so that the cultivating tanks and the outlet tanks are combined together; a plurality of caps are mounted on the cultivating tanks, the inlet tanks and the outlet tanks; and each of the caps is provided with a plurality of large holes and a plurality of small holes. ### Claim 13 An aquaponic system comprising: a frame; an aquarium located at a lower portion of the frame and having an interior provided with a motor; and a plurality of cultivating tanks arranged on the frame and having two opposite sides provided with a plurality of inlet tanks and a plurality of outlet tanks; wherein: each of the outlet tanks is connected with a lower one of the inlet tanks; each of the cultivating tanks has a bottom provided with an arcuate separation board; and the arcuate separation board has two sides provided with a plurality of connecting holes which are arranged in a corrugated manner.