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.

Date of Patent:
Jan. 10, 1984

Filed:

Dec. 16, 1980
Applicant:
Inventors:

David F Leary, Woodside, CA (US);

Alan Brigham, Sunnyvale, CA (US);

Assignee:

Raychem Corporation, Menlo Park, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219544 ; 219345 ; 219353 ; 219528 ; 219540 ; 219549 ; 174 / ; 338 / ; 338212 ;
Abstract

A PTC heater assembly comprises at least one PTC heater surrounded by an envelope of high thermal conductivity, thus greatly increasing the power output of the heater under operating conditions. In a preferred assembly a strip heater, comprising (i) an elongate strip of a conductive polymer PTC composition, (ii) electrodes embedded in said strip, and (iii) an insulating jacket, is sandwiched between a pair of metal, e.g. aluminum, sheets.


Find Patent Forward Citations

Quick Actions:

Leary, David. (1984). Ptc heater assembly (U.S. Patent No. 4425497). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4425497

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…