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:
Dec. 11, 2018
Filed:
Oct. 27, 2016
Applicant:
Wako Filter Technology Co., Ltd., Chiyoda-ku, Tokyo, JP;
Inventor:
Naoto Kikuchi, Fukuroi, JP;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01); F02M 35/02 (2006.01);
U.S. Cl.
CPC ...
B01D 46/002 (2013.01); B01D 46/0005 (2013.01); F02M 35/0204 (2013.01); F02M 35/0215 (2013.01); B01D 2265/05 (2013.01); B01D 2267/30 (2013.01); B01D 2279/60 (2013.01);
Abstract
By joining together first case and second case, a notch in the first case and a notch in the second case are unified and an intake opening for air is formed. The ratio of the depth of the cases to the height of the intake opening is in the range 10:1 to 20:1.