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:
Jul. 03, 1990
Filed:
Jun. 08, 1989
Applicant:
Inventor:
George Cingle, III, Gibsonia, PA (US);
Assignee:
Allegheny Ludlum Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
266224 ; 266218 ;
Abstract
A tuyere block assembly design permitting intermittent flow of gas into the bottom of a metallurgical vessel is provided having the tuyere block assembly open to permit flow of gas into the vessel and closes when the flow of gas into the furnace is not desired without the requirement that gas be continuously injected through the tuyere block in order to keep the block open and operational.
Cingle, III, George. (1990). Mechanically sealed tuyere block (U.S. Patent No. 4938459). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4938459
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile