# US 10,499,574 B2 · Hydroponic plant grow cabinet

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- Number: US 10,499,574 B2
- Document ID: US10499574B2
- Status: Granted
- Kind: B2
- Application number: 15/597,406
- Filed: 2017-05-17
- Published: 2017-12-07
- Granted: 2019-12-10
- Earliest claimed: 2016-06-03
- Assignees: Natufia Labs OÜ
- Applicants: Natufia Labs OÜ
- Inventors: Gregory Francis Chakwan Lu; Lauri Kapp
- Web page: https://patentgrep.com/patent/US10499574B2

## CPC

- A01G 31/02: Special apparatus therefor (self-acting watering devices A01G27/00)
- A01G 31/065: {with means for recycling the nutritive solution}
- G08B 21/18: Status alarms (G08B21/02 takes precedence)
- A01G 9/24: Devices {or systems} for heating, ventilating, regulating temperature {, illuminating}, or watering, in greenhouses, forcing-frames, or the like
- Y02A 40/25: Greenhouse technology, e.g. cooling systems therefor
- Y02P 60/21: Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
- 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)
- G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

A hydroponic plant grow cabinet including a housing. The housing has a main plant growing chamber and a pre-growing chamber for seeds/seedlings, main tank and auxiliary tanks for a nutrient solution and pH level regulating solutions, pumps and tubing, a light source, a ventilator, a controller, sensors, a display, a loudspeaker, a user input, a network communication device, a connection to an electric main, and connections to water mains and sewage.

## Claims

### Claim 1

A hydroponic plant grow cabinet, comprising a housing, said housing comprising a main plant growing chamber and a pre-growing chamber for seeds/seedlings, a main tank and first, second and third auxiliary tanks, a plurality of pumps and tubing, a light source, a ventilator, a controller, a plurality of sensors, a display, a loudspeaker, a user input, a network communication device, and a connector for connection to an electric main,
wherein the main chamber comprises at least one module comprising a plurality of plant growing pod stands, said module being slidable in and out of the main chamber, where each of the plurality of plant growing pod stands comprises in vertical direction a plurality of plant grow pods one above the other, wherein the pre-growing chamber comprises at least one cup holder module configured for receiving a plurality of seed/seedling growing cups, said cup holder module being slidable in and out of the chamber, wherein said cabinet comprises means for connecting to a water main and sewage such that water in the main tank can be replenished from the water main and waste in the main tank can be emptied to the sewage, wherein said cabinet comprises a cartridge module configured for receiving a plurality of refill cartridges, including first, second and third refill cartridges for dispensing nutrient solution and chemicals for regulating pH level, the cartridge module being disposed with respect to the plurality of auxiliary tanks such that the first, second and third refill cartridges, when received in the module, are adjacent to an opening in the first, second and third auxiliary tanks respectively so that the nutrients and chemicals dispensed from the first, second and third cartridges are received in the first, second and third auxiliary tanks respectively, wherein the first, second and third auxiliary tanks are operatively connected to the main tank through the plurality of pumps such that the nutrients and chemicals dispensed from the first, second and third cartridges and received in the first, second and third auxiliary tanks can be pumped to the main tank for replenishing nutrients and regulating pH level of the nutrient solution in the main tank.

### Claim 2 (depends on 1)

The hydroponic plant grow cabinet according to claim 1, characterized in that the nutrient solution is fed from the main tank to said plant growing pod stands at the top of the main chamber into the top most growing pod, where in the bottom of each growing pod is an aperture, where the bottom aperture of the pod above opens into the pod below such that the nutrient solution fed into the top most pod is fed through bottom apertures of pods from pods above to pods below, and where the nutrient solution exiting from the lower most pod is collected to a collecting pan, and wherein the collecting pan is operatively connected to the pre-growing chamber such that the nutrient solution collected in the collecting pan can be fed further into the pre-growing chamber.

### Claim 3 (depends on 2)

The hydroponic plant grow cabinet according to claim 2, characterized in that the nutrient solution fed into the pre-growing chamber is collected onto a solution pan below the holder module for receiving several seed/seedling growing cups, where a level of the solution in the solution pan is kept such that at least the bottom part of each seed/seedling growing cup is immersed into the nutrient solution and excess solution is fed into the main tank.

### Claim 4 (depends on 1)

The hydroponic plant grow cabinet according to claim 1, characterized in that the controller is set to send through the network communication device status and alarm messages to a user's communication device.

### Claim 5 (depends on 1)

The hydroponic plant grow cabinet according to claim 1, wherein the first, second and third refill cartridges are disposed in the cartridge refill module and wherein the first refill cartridge comprises the nutrient solution, the second refill cartridge comprises a first chemical for regulating pH level down and the third refill cartridge comprises a second chemical for regulating pH level up.