Patents by Inventor Charles Parmely

Charles Parmely 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).

  • Patent number: 7617699
    Abstract: The invention is a portable ice maker that is powered by a propane flame. The propane flame introduces heat into an absorption refrigeration cycle consisting of a burner, separator, absorber, evaporator, and condenser. The absorption refrigeration cycle is housed in the rear of the invention and of which the front occupies the freezing compartment. The freezing compartment is encompassed by insulation, and of which the sides are aligned with the cooling coils. The freezing compartment is accessible via a front door, which is also heavily insulated. The freezing compartment is capable of storing a plurality of ice trays or for storing food that requires freezing temperatures in order to avoid spoiling.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: November 17, 2009
    Inventor: Charles Parmely