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.:
Date of Patent:
Jul. 14, 2009
Filed:
Sep. 14, 2007
Applicants:
Tomokazu Oya, Ibi-gun, JP;
Kazushige Ohno, Ibi-gun, JP;
Inventors:
Tomokazu Oya, Ibi-gun, JP;
Kazushige Ohno, Ibi-gun, JP;
Assignee:
Ibiden Co., Ltd., Ogaki-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 39/06 (2006.01); B01D 24/00 (2006.01); B01D 39/08 (2006.01); B01D 50/00 (2006.01); B01J 21/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A honeycomb filter includes a honeycomb structure in which a plurality of cells are placed in parallel with one another in the longitudinal direction with a cell wall therebetween; and a cylindrical metal casing that covers the outer peripheral side face of the honeycomb structure. A shortest distance between the outermost cells among the plurality of cells and the inner face of the metal casing is at least about 1 mm and at most about 3 mm.