Heated exhaust pipeline, heating apparatus, and method of...

Electric heating – Heating devices – With heater-unit housing – casing – or support means

Reexamination Certificate

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Details

C219S536000, C219S537000, C219S538000, C219S539000, C219S542000, C219S552000, C422S107000, C422S108000, C422S109000

Reexamination Certificate

active

07633038

ABSTRACT:
Provided are a heated exhaust pipeline, a related plurality of heating elements attached to an exhaust pipeline, and a method of controlling the plurality of heating elements. Individual heating elements are characterized by a temperature indicator and/or an alarm.

REFERENCES:
patent: 5125644 (1992-06-01), Masaki et al.
patent: 6665492 (2003-12-01), Garcia et al.
patent: 6773687 (2004-08-01), Hasegawa
patent: 08-124866 (1996-05-01), None
patent: 1998-019799 (1998-06-01), None
patent: 101998074785 (1998-11-01), None
patent: 1020020095843 (2002-12-01), None

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