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:
May. 04, 2021
Filed:
Feb. 20, 2018
Applicant:
Komatsu Ltd., Tokyo, JP;
Inventors:
Assignee:
Komatsu Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/27 (2006.01); F01M 11/10 (2006.01); F15B 21/04 (2019.01); G01N 33/28 (2006.01);
U.S. Cl.
CPC ...
G01N 21/27 (2013.01); F01M 11/10 (2013.01); F15B 21/04 (2013.01); G01N 33/2888 (2013.01); F01M 2250/00 (2013.01); G01N 2201/062 (2013.01);
Abstract
An oil state detection device includes an index member, a lighting device that illuminates the index member, and a photographing device that photographs the index member through oil in a machine device.