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:
Mar. 16, 2021
Filed:
May. 22, 2017
Applicant:
Yokogawa Electric Corporation, Tokyo, JP;
Inventors:
Assignee:
Yokogawa Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/0482 (2013.01); G05B 23/02 (2006.01); F01K 13/00 (2006.01); G06F 3/0484 (2013.01); E21B 33/03 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0482 (2013.01); G05B 23/0216 (2013.01); G06F 3/04847 (2013.01); E21B 33/03 (2013.01); F01K 13/003 (2013.01);
Abstract
A device maintenance apparatus includes: a comparison target selector configured to select comparison targets of a device information of a device as a maintenance target; and a display configured to display a comparative information generated based on changes in the device information.