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:
Mar. 08, 2011
Filed:
Aug. 16, 2007
Shuji Ueki, Tokyo, JP;
Masahiro Saito, Tokyo, JP;
Noboru Takemura, Tokyo, JP;
Yukirou Kadomoto, Tokyo, JP;
Takeo Nojiri, Tokyo, JP;
Izumi Onishi, Tokyo, JP;
Masahiro Kuwajima, Tokyo, JP;
Masabumi Matsumoto, Tokyo, JP;
Shuji Ueki, Tokyo, JP;
Masahiro Saito, Tokyo, JP;
Noboru Takemura, Tokyo, JP;
Yukirou Kadomoto, Tokyo, JP;
Takeo Nojiri, Tokyo, JP;
Izumi Onishi, Tokyo, JP;
Masahiro Kuwajima, Tokyo, JP;
Masabumi Matsumoto, Tokyo, JP;
Mitsui Engineering & Shipbuilding Co., Ltd., Tokyo, JP;
Abstract
A ballast water intake and treatment system is disclosed, the system including a membrane treatment unit arranged in or on a ship hull for the separation of microorganisms of no smaller than a given size and organized to execute filtration during the intake of sea water or fresh water outside the hull into ballast tanks by the use of an intake pump installed consecutively with the membrane treatment unit. The system checks the invasion of microorganisms, etc. of no smaller than a given size during the intake of ballast water and allows ballast water free of microorganisms, etc. of no smaller than a given size to be fed into ballast tanks.