Electric heating – Heating devices – With heating unit structure
Reexamination Certificate
2006-06-13
2006-06-13
Fuqua, Shawntina (Department: 3742)
Electric heating
Heating devices
With heating unit structure
C219S211000, C219S212000, C219S528000, C219S529000, C219S536000, C219S544000, C219S545000
Reexamination Certificate
active
07060950
ABSTRACT:
The invention provides a linear and/or plane heating element, and a thawing mat, and a hot mat comprising the linear and/or plane heating element that provides necessary heat quantity at low electric power without burning fossil fuel and the like. A heating element is provided produced by coating laminated polyester on a plane painted by paint that adds nickel-indium compound oxide to the upper surface of polyester film to solderlessly connect electrodes to both ends to connect a power supply to the electrodes. The present invention provides a thawing mat and hot mat that entirely and uniformly coat the heating element having high conductivity and heating efficiency by adding nickel-indium compound oxide having high conductivity and heating efficiency to thermally deposit. Thus, maintenance cost and electricity expense can be saved, and both high quality and social cost can be achieved.
REFERENCES:
patent: 5720774 (1998-02-01), Glucksman
patent: 6194692 (2001-02-01), Oberle
Fuqua Shawntina
Griffin & Szipl, P.C.
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