Heating element
US6137089A · kind A · utility
8Cited by
18References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1997 |
| Grant date | Oct 24, 2000 |
| Priority date | — |
| Expiry date | Jul 11, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B3/82
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A heating element comprises a thermally conductive substrate, an electrically insulating layer provided over the substrate, and a heating track deposited on the insulating layer. The heating element has a dished portion defining a concave face on one side of the element, the insulating layer and the heating track being provided on the concave face. The heating element is suitable for a range of liquid heating applications, including electric kettles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.