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:
Dec. 18, 2007

Filed:

Jul. 18, 2005
Applicants:

Makoto Fujie, Kanagawa-ken, JP;

Hideki Nakamura, Kanagawa-ken, JP;

Kazuya Yamada, Tokyo, JP;

Shuji Seki, Kanagawa-ken, JP;

Manabu Sakurai, Kanagawa-ken, JP;

Tadashi Fukushima, Tokyo, JP;

Kenichiro Ide, Kanagawa-ken, JP;

Tetsuya Noda, Kanagawa-ken, JP;

Masaru Komatsubara, Kanagawa-ken, JP;

Inventors:

Makoto Fujie, Kanagawa-ken, JP;

Hideki Nakamura, Kanagawa-ken, JP;

Kazuya Yamada, Tokyo, JP;

Shuji Seki, Kanagawa-ken, JP;

Manabu Sakurai, Kanagawa-ken, JP;

Tadashi Fukushima, Tokyo, JP;

Kenichiro Ide, Kanagawa-ken, JP;

Tetsuya Noda, Kanagawa-ken, JP;

Masaru Komatsubara, Kanagawa-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 35/02 (2006.01); B01D 63/02 (2006.01); B01D 71/32 (2006.01); B01D 29/66 (2006.01);
U.S. Cl.
CPC ...
Abstract

A filtering apparatus having a vessel and a filter made from fluororesin and treated before filtering operation by at least one of adding thermal treatment in gas or liquid and penetrating with fluid composed of hot water or steam at a temperature of less than melting point of the fluororesin.


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