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:
Mar. 02, 2021

Filed:

Sep. 11, 2018
Applicant:

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

Inventors:

Masaru Banju, Nagaokakyo, JP;

Junko Watanabe, Nagaokakyo, JP;

Takashi Kondo, Nagaokakyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/10 (2006.01); C25D 1/08 (2006.01); B01D 3/12 (2006.01); C25D 3/12 (2006.01);
U.S. Cl.
CPC ...
B01D 39/10 (2013.01); C25D 1/08 (2013.01); B01D 2239/1291 (2013.01); C25D 3/12 (2013.01);
Abstract

A filtration filter that filters a filtration target contained in a fluid. The filtration filter includes a porous metal film having a plurality of through holes. Moreover, wave-shaped irregularities are provided in a peripheral direction along inner peripheral surfaces of the through holes of the porous metal film.


Find Patent Forward Citations

Loading…