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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 10550803 B1

PDFFull Text
Date of Patent:
Feb. 04, 2020

Filed:

Sep. 25, 2012

Filter medium for filter, method for producing the same, and filter

Applicants:

Mahle Filter Systems Japan Corporation, Toshima-ku, Tokyo, JP;

Teijin Limited, Osaka, Osaka, JP;

Inventors:

Yuichi Hamada, Toshima-ku, JP;

Mitutosi Suzuki, Toshima-ku, JP;

Hiroyuki Ishii, Toshima-ku, JP;

Kenji Inagaki, Ibaraki, JP;

Assignees:

TEIJIN FRONTIER CO., LTD., Osaka, JP;

Mahle Filter Systems Japan Corporation, Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Jason M Greene

Int. Cl.
CPC ...
B01D 46/00 (2006.01); F02M 35/024 (2006.01); B01D 39/16 (2006.01); B01D 39/18 (2006.01); D21H 27/08 (2006.01); D04H 1/4374 (2012.01); D21H 27/30 (2006.01); D04H 1/4382 (2012.01);
U.S. Cl.
CPC ...
F02M 35/02458 (2013.01); B01D 39/16 (2013.01); B01D 39/163 (2013.01); B01D 39/18 (2013.01); D04H 1/4374 (2013.01); D04H 1/4382 (2013.01); D21H 27/08 (2013.01); D21H 27/30 (2013.01); F02M 35/024 (2013.01); B01D 2239/025 (2013.01); B01D 2239/065 (2013.01); B01D 2239/086 (2013.01); B01D 2239/10 (2013.01); B01D 2239/1233 (2013.01); F02M 35/02408 (2013.01); F02M 35/02441 (2013.01);
Abstract

Provided are a filter medium for a filter, which makes it possible to obtain a filter high in collection efficiency, low in pressure loss and long in filter lifetime, a method for producing the same, and a filter using the filter medium for a filter. A filter medium for a filter is used as a constituent member of a filter and composed of a wet type nonwoven fabric, wherein the filter medium for a filter has a multilayer structure of two or more layers, and there is no interface between the above-mentioned two layers.

Find Patent Forward Citations

Hamada, Yuichi. (2020). Filter medium for filter, method for producing the same, and filter (U.S. Patent No. 10550803). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10550803

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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