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:
Sep. 01, 2020
Filed:
Feb. 23, 2017
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 3/12 (2006.01); H05B 3/68 (2006.01); H05B 3/74 (2006.01); B22F 7/06 (2006.01); H05B 3/26 (2006.01);
U.S. Cl.
CPC ...
H05B 3/12 (2013.01); B22F 7/064 (2013.01); H05B 3/26 (2013.01); H05B 3/688 (2013.01); H05B 3/74 (2013.01); B22F 2301/255 (2013.01); B22F 2302/25 (2013.01); H05B 2203/003 (2013.01); H05B 2203/017 (2013.01);
Abstract
An apparatus including a surface heater, the surface heater including a substrate having a surface formed of an electrically insulating material, heating element attached to the surface of the substrate by sintering predetermined powder including lanthanide oxide powder, and a power supply unit configured to supply electricity to the heating element wherein a manufacturing method of the surface heater includes baking the predetermined powder at a baking temperature of 900° C. or lower.