Electric heating – Heating devices – With power supply and voltage or current regulation or...
Reexamination Certificate
2005-04-05
2005-04-05
Fuqua, Shawntina (Department: 3742)
Electric heating
Heating devices
With power supply and voltage or current regulation or...
C219S497000, C219S485000, C219S506000, C361S002000, C361S015000, C004S541200, C004S541100, C004S545000
Reexamination Certificate
active
06875961
ABSTRACT:
Apparatus for controlling heating of a liquid or liquid stream including electrical equipment operated in conjunction with such heating; a device or devices for monitoring the voltage level of electrical power supplied to such equipment; and a control or controls for controlling such electrical power supplied to that equipment, to decrease power delivery in response to a predetermined decrease in voltage level of power supply to the equipment.
REFERENCES:
patent: 5361215 (1994-11-01), Tompkins
patent: 5559720 (1996-09-01), Tompkins et al.
Fuqua Shawntina
Haefliger William W.
Thornbury Investments, Inc.
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