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:
Dec. 27, 2022
Filed:
Dec. 05, 2017
Lg Innotek Co., Ltd., Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
According to one embodiment of the present invention, a heating rod comprises: a first thermal diffusion plate; a ceramic substrate arranged on the first thermal diffusion plate and having a heating element arranged therein; and a second thermal diffusion plate arranged on the ceramic substrate, wherein the first thermal diffusion plate and the second thermal diffusion plate are respectively stacked in a plurality of layers. Since the first thermal diffusion plate and the second thermal diffusion plate are stacked in the plurality of layers, a heating rod having a high thermal efficiency and being capable of fast heating and a vehicular heating device including the same can be obtained.