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. 09, 2014
Filed:
Jul. 21, 2011
Applicants:
Shuuji Hori, Oyama, JP;
Mitsumasa Akashi, Oyama, JP;
Masayuki Tajima, Oyama, JP;
Inventors:
Assignee:
Komatsu Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 35/02 (2006.01); B01D 35/28 (2006.01); B01D 29/03 (2006.01); B01D 39/10 (2006.01); B01D 29/15 (2006.01); F16K 51/00 (2006.01); B01D 29/01 (2006.01);
U.S. Cl.
CPC ...
B01D 29/15 (2013.01); B01D 35/02 (2013.01); B01D 39/10 (2013.01); F16K 51/00 (2013.01); B01D 29/012 (2013.01); B01D 29/03 (2013.01); B01D 29/01 (2013.01);
Abstract
An oil filter interposed in an oil passage and configured to perform filtering of oil by causing the oil to pass through a passage hole of a filter body formed by etching, wherein an oil passing section is etched to a half of plate thickness of the filter body on one surface of the filter body, and a plurality of the passage holes are formed by etching in a region where the oil passing section is formed on the other surface of the filter body.