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:
Feb. 05, 2013

Filed:

Dec. 21, 2009
Applicants:

Hidetoshi Masutani, Amagasaki, JP;

Yasunobu Okajima, Amagasaki, JP;

Tadao Shinkai, Amagasaki, JP;

Yoshio Asakura, Amagasaki, JP;

Inventors:

Hidetoshi Masutani, Amagasaki, JP;

Yasunobu Okajima, Amagasaki, JP;

Tadao Shinkai, Amagasaki, JP;

Yoshio Asakura, Amagasaki, JP;

Assignee:

Kubota Corporation, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 35/30 (2006.01); B01D 65/02 (2006.01); B01D 63/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A membrane elementincludes filtration membraneson the flat part of the membrane element. Spacing memberskeep spacing S between the filtration membranesbetween the membrane elementswhen the membrane elementsare arranged with the filtration membranesopposed to each other. The spacing memberseach have spacer sectionsandthat keep the spacing S between the filtration membranesbetween the membrane elementsin the direction of a membrane surface cleaning stream that flows along the surface of the filtration membrane


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