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. 23, 2001
Filed:
Dec. 30, 1999
Applicant:
Inventors:
Lars-Göran Johansson, Hallstahammar, SE;
Jan Andersson, Hallstahammar, SE;
Assignee:
Kanthal AB, Hallstahammar, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/00 ;
U.S. Cl.
CPC ...
H05B 3/00 ;
Abstract
An infrared radiation lamp that includes an electrically heated filament and a reflector. The filament is a high temperature element that is wound to a helical configuration. The helical filament is free-standing at operating temperatures, and it is positioned in an open reflector made from a ceramic material.