US Patent 11029273 Corrosion monitoring device
Patent 11029273 was granted and assigned to Hitachi, Ltd. on June, 2021 by the United States Patent and Trademark Office.
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Patent abstract
A corrosion monitoring device includes: a sensor unit that includes an insulating substrate, a stainless steel plate disposed on the insulating substrate and is configured of stainless steel, an aluminum piece joined to the stainless steel plate and configured of aluminum having a lower corrosion potential than the stainless steel and smaller electrical resistivity than the stainless steel, and extraction electrodes coupled to the stainless steel plate; and an ohm meter that measures an electrical resistance of the sensor unit when a current flows in the sensor unit.
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Patent Inventor Names
Rintarou Minamitani0
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Official Website
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Patent Citations Received
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Patent Jurisdiction
Patent Number
110292730
Date of Patent
June 8, 2021
0Patent Application Number
164616620
Date Filed
October 23, 2017
0Official Website
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US Patent 11029273 Corrosion monitoring device
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Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
11029273
Date of patent
June 8, 2021
Patent application number
16461662
Date Filed
October 23, 2017
Patent primary examiner
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