Electric heater and cooking appliance having same
US11672376B2 · kind B2 · utility
2Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2019 |
| Grant date | Jun 13, 2023 |
| Priority date | — |
| Expiry date | Apr 1, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/013
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric heater includes a substrate; and a plane heating element disposed on one surface of the substrate, in which the plane heating element includes a pattern portion including a start point and an end point; and an electrode portion connected to the start point and the end point of the pattern portion, and a thickness of the electrode portion is thicker than a thickness of the pattern portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.