Patents by Inventor Pie Y. Wang

Pie Y. Wang 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).

  • Freezing of food products
    Patent number: 4968520
    Abstract: A method of freezing food products such as meat and poultry as well as vegetables and fruits, including the steps of cooling brine made up of propylene glycol, sodium chloride and water and then contacting the food product with the cooled brine. The food product is maintained in contact with the brine for a time sufficient to freeze the food to a desired temperature.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: November 6, 1990
    Assignee: Swift-Eckrich, Inc.
    Inventor: Pie Y. Wang