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. 25, 1976
Filed:
Nov. 07, 1974
Applicant:
Inventors:
Eiiti Kosoegawa, Nishinomiya, JA;
Kazuo Fujimoto, Takatsuki, JA;
Yoshimi Tanaka, Kyoto, JA;
Yuichiro Takayama, Takatsuki, JA;
Hirotsugu Hattori, Takatsuki, JA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
307 95 ;
Abstract
A cathodic protection, anticorrosive circuit comprises a diode connection of a transistor or a Schotkky diode interconnected between a buried structure to be protected and a galvanic anode or the like so that even when the difference in potential between them is relatively low, an effective forward or anticorrosion current may flow while positively preventing the reverse current which causes the corrosion of the buried structure.