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:
Apr. 29, 1980
Filed:
Jun. 29, 1978
Applicant:
Inventors:
Peter H Savov, Sofia, BG;
Vassil G Peev, Sofia, BG;
Alexander Y Valchev, Sofia, BG;
Nikola A Lingorski, Sofia, BG;
Assignee:
DSO 'Cherna Metalurgia', Sofia, BG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ; C21C / ;
U.S. Cl.
CPC ...
75 12 ; 75 49 ;
Abstract
A method of and an apparatus for the refining of a ferrous melt makes use of a ladle with a removable cover provided with a porous plug at its bottom through which an inert gas is introduced. A direct current source is connected to a carbon electrode in contact with the melt and at least one electrode above the melt.
Quick Actions:
Savov, Peter. (1980). Method for the refining of iron-based melts (U.S. Patent No. 4200452). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4200452
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile