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:
Oct. 12, 1999
Filed:
Nov. 20, 1998
Applicant:
Inventor:
John M Powers, Independence, KY (US);
Assignee:
General Electric Company, Cincinnati, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A21B / ;
U.S. Cl.
CPC ...
219411 ; 432 64 ; 219385 ; 219386 ;
Abstract
An atmosphere controlled workpiece heating chamber includes a spaced apart multiple gas flow means combination which avoids contamination of the atmosphere within the chamber from ambient atmosphere such as air. In one form, the chamber includes a gas diffuser as one flow means, and a heating means, both of which are readily removable, and easily and accurately replaceable.