Patent · US Expired

Heating element

US6686562B1 · kind B1 · utility

36Cited by

24References

21Claims

0Family size

Assignee

W.E.T. Automotive Systems AG · DE

Inventors

Michael Weiss · Dittelbrunn, DE
Markus Hugenschmidt · Munich, DE
Ferdinand Schuller · Königsbrunn, DE

Key dates

Filing date	Aug 18, 2000
Grant date	Feb 3, 2004
Priority date	—
Expiry date	Apr 11, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH05B2203/029
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A heating element comprises a heating film having an electrically nonconductive support layer and a conductive layer. The conductive layer of the present invention comprises a metallic layer or material that is deposited onto the support layer. The heating element system is suitable for integration into the seating surface or backrest surface of an automotive vehicle which may also comprise additional components such as upholstered units and sensors to facilitate the comfort of the occupant of the vehicle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.