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.
Patent No.:
Date of Patent:
Jul. 21, 2026
Filed:
May. 25, 2022
Applicant:
Kubota Corporation, Osaka, JP;
Inventors:
Assignee:
Kubota Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 65/02 (2006.01); C02F 3/12 (2023.01);
U.S. Cl.
CPC ...
B01D 65/02 (2013.01); C02F 3/1273 (2013.01); B01D 2321/185 (2013.01); C02F 2201/005 (2013.01); C02F 2303/16 (2013.01); C02F 2303/20 (2013.01);
Abstract
While productivity in generation of treated water is improved, a membrane cleaning effect through relaxation is sufficiently exerted. While aeration is carried out with respect to at least one membrane cartridge (), a cycle of a filtration operation and a filtration stoppage operation is repeated. A gas vent valve () connected to a gas retention chamber () is used, and the gas vent valve () is opened and then closed in accordance with a timing of start of the filtration stoppage operation in each cycle.
Okajima, Yasunobu. (2026). Wastewater treatment method (U.S. Patent No. 12685968). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12685968
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile