Patents by Inventor Patrick J. Martello

Patrick J. Martello 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: 6637214
    Abstract: A method and machine for making frozen custard or similar products includes a freezing barrel, a pump for providing liquid mix to the freezing barrel, a dasher positioned in the freezing barrel for driving product through and dispensing the product from the freezing barrel, and a refrigeration system for chilling the freezing barrel. A user interface allows an operator to select from among a plurality of production rates. A system controller automatically controls the pumping rate, dasher motor speed, and chilling level to produce a product in the freezing barrel at the desired production rate and having the desired product quality and consistency. An ultrasonic sensor may be employed to monitor a level of liquid mix in a liquid mix container. A warning signal may be provided to the operator when the level of mix in the container runs low.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: October 28, 2003
    Assignee: V & L Tool, Inc.
    Inventors: Daniel W. Leitzke, Patrick J. Martello