Electric resistance heating devices – Heating devices – Immersion heater details
Reexamination Certificate
2008-09-23
2011-10-18
Campbell, Thor (Department: 3742)
Electric resistance heating devices
Heating devices
Immersion heater details
C392S499000
Reexamination Certificate
active
08041200
ABSTRACT:
Certain embodiments of the present invention provide a deicing system configured to prevent ice from forming in a water containment vessel. The system includes a heating element configured to heat the water within the containment vessel, a first temperature sensor and a second temperature sensor. The first temperature sensor is electrically connected to the heating element through an electrical path and may be configured to monitor water temperature. The second temperature sensor is electrically connected to the heating element through the electrical path and may be configured to monitor heating element temperature. At least one of the temperature sensors may include a reset button.
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Chumbley Philip E.
Reusche Thomas K.
Allied Precision Industries Inc.
Butscher Joseph M.
Campbell Thor
The Small Patent Law Group
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