Electrical heating device
US9420640B2 · kind B2 · utility
4Cited by
188References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2013 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | May 1, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/029
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical heating device including a heating resistor including a contacting device connecting the heating resistor to a current source. The contacting device includes a main electrode and a plurality of branch electrodes. The main electrode distributes current from the current source to a plurality of branch electrodes. The heating resistor includes one or more fire retardant recesses. The heating device includes one or more tire propagation blocker strips extending transversely to at least one of the plurality of branch electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.