Patents by Inventor Everett B. Ferry

Everett B. Ferry has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ambient air assist for a refrigerator unit
    Patent number: 4023947
    Abstract: An apparatus for simultaneously monitoring the temperature within a refrigerated enclosure and the temperature of the ambient air exteriorly of the enclosure which functions to shut down normal compressor operations and selectively activates one or more primary and auxiliary ambient air inlet supply units dependent upon the temperature of the ambient air when the ambient air temperature is below the temperature within the enclosure.
    Type: Grant
    Filed: January 27, 1976
    Date of Patent: May 17, 1977
    Inventor: Everett B. Ferry