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.:

US 8835817 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 16, 2014

Filed:

Sep. 06, 2007
Applicant:

Mats Sundberg, Västerås, SE;

Inventor:

Mats Sundberg, Västerås, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/16 (2006.01); H05B 3/14 (2006.01); H05B 3/26 (2006.01);
U.S. Cl.
CPC ...
H05B 3/265 (2013.01); H05B 2203/011 (2013.01); H05B 3/143 (2013.01); H05B 2203/003 (2013.01); H05B 2203/013 (2013.01); H05B 2203/037 (2013.01);
Abstract

A heating unit with a resistive element formed as a conducting pattern, which resistive element is bound to a substrate, such as a base plate, on which the resistive element is extended, and which resistive element is arranged to be placed under the influence of an electrical voltage. The invention is wherein the resistive element and the said base have the same or essentially the same coefficients of thermal expansion, and in that the resistive element has been bound to the substrate by sintering.


Find Patent Forward Citations

Sundberg, Mats. (2014). Heating unit comprising a heat resistance element shaped as a conductive pattern (U.S. Patent No. 8835817). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8835817

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