1
John N Sharood, D Mitchell Carr: Refrigeration monitor unit. Robertshaw Controls Company, Fish & Richardson P C, September 24, 2002: US06453687 (465 worldwide citation)

A unit is attached to a refrigeration appliance, such as a freezer, or refrigerator, to alert the user of a sensed condition within the appliance that food spoilage may occur. The unit can monitor temperature within the compartment and determine how long until food spoilage occurs. The unit also can ...


2
Ehlers Gregory A: Refrigeration monitor unit. Ranco, November 26, 2008: GB2449600-A (3 worldwide citation)

A control unit is attached to or embedded within a refrigeration appliance to monitor electric power voltage and/or frequency supplied by the mains. If the unit detects a sag or peak in either the voltage or frequency, the control unit either separates any high demand elements of the appliance from ...


3
John N Sharood, D Mitchell Carr: Refrigeration monitor unit. Andrew F Bodendorf, Fish & Richardson PC, January 3, 2002: US20020000092-A1

A unit is attached to a refrigeration appliance, such as a freezer, or refrigerator, to alert the user of a sensed condition within the appliance that food spoilage may occur. The unit can monitor temperature within the compartment and determine how long until food spoilage occurs. The unit also can ...


4
Gregory A Ehlers: Refrigeration monitor unit. Andrus Sceales Starke & Sawall, September 27, 2007: US20070220907-A1

A control unit is attached to or embedded within a refrigeration appliance to monitor electric power voltage and/or frequency supplied by the mains. If the unit detects a sag or peak in either the voltage or frequency, the control unit either separates any high demand elements of the appliance from ...


5
Gregory Allen Ehlers SR: Refrigeration monitor unit. June 2, 2011: US20110130887-A1

A control unit is attached to or embedded within a refrigeration appliance to monitor electric power voltage and/or frequency supplied by the mains. If the unit detects a sag or peak in either the voltage or frequency, the control unit either separates any high demand elements of the appliance from ...


6
Ehlers Gregory A: Refrigeration monitor unit. Ranco Incorporated Of Delaware, Ehlers Gregory A, KUBORN Joseph D, March 20, 2008: WO/2008/032225

A control unit is attached to or embedded within a refrigeration appliance to monitor electric power voltage and/or frequency supplied by the mains. If the unit detects a sag or peak in either the voltage or frequency, the control unit either separates any high demand elements of the appliance from ...