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:
Nov. 29, 2022
Filed:
Oct. 07, 2019
Applicant:
Yamashin-filter Corp., Kanagawa, JP;
Inventors:
Makoto Ishizuka, Kanagawa, JP;
Nobuyuki Kitajima, Kanagawa, JP;
Assignee:
YAMASHIN-FILTER CORP., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 35/02 (2006.01); B65D 88/12 (2006.01); B01D 35/027 (2006.01); B60K 15/077 (2006.01);
U.S. Cl.
CPC ...
B65D 88/128 (2013.01); B01D 35/0273 (2013.01); B60K 15/077 (2013.01); B60K 2015/0772 (2013.01);
Abstract
Inside a tank body storing a liquid, a return filter is provided protruding downward from an upper surface of the tank body, and a substantially plate-like (plate-shaped) float is also provided that is inserted into the tank body and floats in accordance with change in a liquid surface of the liquid stored in the tank body. The float is provided with an opening larger than a diameter of a filter case, and in a plan view, the float is disposed between the tank body and the filter case.