The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 31, 2022

Filed:

Feb. 27, 2017
Applicant:

Sekisui Chemical Co., Ltd., Osaka, JP;

Inventors:

Toshimasa Takeuchi, Tsukuba, JP;

Setsuo Nakajima, Tokyo, JP;

Seigo Ono, Tsukuba, JP;

Koichiro Iwasa, Tokyo, JP;

Makoto Fujigami, Fujisawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01G 31/02 (2006.01); A01G 31/00 (2018.01); C02F 1/62 (2006.01); C02F 101/20 (2006.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
A01G 31/02 (2013.01); A01G 31/00 (2013.01); C02F 1/62 (2013.01); C02F 2101/20 (2013.01); C02F 2103/08 (2013.01); C02F 2209/10 (2013.01); C02F 2303/04 (2013.01);
Abstract

A hydroponic system () using seawater, wherein seawater (W) is used for hydroponic cultivation of salt-tolerant plants, including a water supply pump () that pumps up, from the sea (S), seawater (W) having a salinity, a bacteria content and an unwanted matter content are less than or equal to predetermined threshold values; a water tub () that stores seawater (W) pumped up by the water supply pump () and accommodates salt-tolerant plants (P) to be cultivated; and a filter () that removes bacteria and unwanted matter from the seawater (W) obtained from the sea (S); wherein the seawater (W) from which the bacteria and the unwanted matter have been removed by the filter () is fed to the water tub ().


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