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, 2010
Filed:
Dec. 05, 2007
Applicant:
Takeru Torigoe, Nagoya, JP;
Inventor:
Takeru Torigoe, Nagoya, JP;
Assignee:
NGK Insulators, Ltd., Nagoya-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/68 (2006.01); H01C 1/012 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ceramic heater according to the present invention includes a heating portion made of ceramics, and a cooling plate portion. In the heating portion, a belt like printed electrode is formed continuously in a spiral shape along a circumferential direction, and in the printed electrode, slits extended in a width direction of the printed electrode are provided. In such a way, a ceramic heater in which uniform heating performance in the heating surface is high can be obtained.