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:
Oct. 13, 1981
Filed:
Nov. 03, 1978
Applicant:
Inventor:
Okiyoshi Okamura, Mitaka, JP;
Assignee:
Koa Oil Company, Limited, Ohte, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ; G01B / ;
U.S. Cl.
CPC ...
324 / ; 73 86 ; 73105 ; 324 / ;
Abstract
Apparatus for and a method of detecting and measuring the presence and degree of corrosion damage in pipe by using a probe which forms a capacitor with the wall of the pipe is disclosed. The probe is moved interior to and longitudinally of the pipe, and the variation in capacitance occuring whenever the probe passes a corrosion portion of the interior pipe wall is detected.
Okamura, Okiyoshi. (1981). Apparatus for and method of detecting and measuring corrosion damage in (U.S. Patent No. 4295092). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4295092
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile