Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Reexamination Certificate
2005-07-26
2005-07-26
Paik, Sang Y. (Department: 3742)
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
C219S543000, C428S404000
Reexamination Certificate
active
06921882
ABSTRACT:
The invention relates to a ceramic cooktop comprising a cooking plate (12) made of glass ceramic or glass. The ceramic cooktop also comprises an electrical heat conductor layer (22) and an insulating layer (14) that is located between the cooking plate (12) and the heat conductor layer (22). The insulating layer (14) consists of a plurality of individual layers (16, 18, 20) that each have a porosity that decreases toward the heat conductor layer (22).
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Friedrich Christian
Gadow Rainer
Killinger Andreas
Li Chuanfei
Wermbter Karsten
Harness & Dickey & Pierce P.L.C.
Paik Sang Y.
Schott AG
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