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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.:

US 10926229 B1

PDFFull Text
Date of Patent:
Feb. 23, 2021

Filed:

Mar. 19, 2020

Filtration filter

Applicant:

Murata Manufacturing Co., Ltd., Nagaokakyo, JP;

Inventors:

Masaru Banju, Nagaokakyo, JP;

Takashi Kondo, Nagaokakyo, JP;

Junko Watanabe, Nagaokakyo, JP;

Assignee:

MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;

Attorney:

Arent Fox LLP

Primary Examiner:

Angel Olivera

Int. Cl.
CPC ...
B01D 71/02 (2006.01); B01D 63/08 (2006.01); B01D 65/00 (2006.01); B01D 46/24 (2006.01); B01D 29/01 (2006.01); B01D 29/05 (2006.01); C12M 1/12 (2006.01); B01D 69/10 (2006.01); B01D 46/00 (2006.01); B01D 69/02 (2006.01); C12M 1/26 (2006.01); C12M 1/00 (2006.01); B01D 29/03 (2006.01);
U.S. Cl.
CPC ...
B01D 71/022 (2013.01); B01D 29/01 (2013.01); B01D 46/0004 (2013.01); B01D 46/0005 (2013.01); B01D 46/2444 (2013.01); B01D 63/087 (2013.01); B01D 65/003 (2013.01); B01D 69/02 (2013.01); B01D 69/10 (2013.01); C12M 1/12 (2013.01); B01D 29/03 (2013.01); B01D 29/05 (2013.01); B01D 2313/025 (2013.01); B01D 2313/20 (2013.01); B01D 2315/10 (2013.01); B01D 2315/20 (2013.01); B01D 2325/04 (2013.01); C12M 29/18 (2013.01); C12M 33/14 (2013.01); C12M 47/02 (2013.01);
Abstract

A filtration filter is suitable for performing cross-flow filtration by using a metallic porous membrane. A metallic porous membrane has a membrane portion for filtering filtration objects contained in a fluid and a held portion provided at its outer periphery. A first frame member and a second frame member hold the held portion of the metallic porous membrane there between. The held portion has a bent portion bent to a second principal surface side opposing a first principal surface of the membrane portion. The first frame member is in contact with the held portion at the first principal surface side of the metallic porous membrane. The second frame member is disposed at an inner side portion of the first frame member and is in contact with the held portion at the second principal surface side of the metallic porous membrane.

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