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:
Jan. 12, 1993
Filed:
Mar. 29, 1991
Applicant:
Inventor:
Jacques Schoennahl, Villeurbanne, FR;
Assignee:
Savoie Refractaires, Venissieux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
266265 ; 1101825 ; 122-66 ;
Abstract
A tuyere opening assembly of a vertical furnace or reactor includes at most four prefabricated elements made of moulded refractory concrete, and a lining therein of ceramized refractory keys of identical shape and size arranged therein for receiving a burner or a tuyere.
Schoennahl, Jacques. (1993). Tuyere blocks of vertical reactor furnaces (U.S. Patent No. 5178819). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5178819
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile