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:
Jun. 06, 1978
Filed:
Jul. 20, 1976
Applicant:
Inventors:
Gene Donald Spenceley, Penistone, near Sheffield, EN;
Neil Pigott, Rotherham, EN;
Assignee:
British Steel Corporation, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ; C21C / ;
U.S. Cl.
CPC ...
75 53 ; 75 58 ; 75 60 ; 75 9 / ; 75129 ;
Abstract
A method and apparatus for treating a bath of liquid iron or steel by submerged injection of a gas or gas-entrained particulate re-agents. Injection is through a tuyere occludable either by a stopper rod assembly or by a sliding gate valve and the bath treatment may include desulphurizing, deoxidizing, alloying or sulphide modifying.
Spenceley, Gene. (1978). Refining liquid metal (U.S. Patent No. 4093452). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4093452
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile