Patents by Inventor Steven J. Toth

Steven J. Toth 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).

  • Refrigeration apparatus
    Patent number: 4233817
    Abstract: Apparatus is described for maintaining refrigerant temperature at or below a predetermined level by providing a combination of a primary chiller cooled by a primary mechanical refrigeration system and a series-connected back-up liquid nitrogen-cooled chiller which would operate only if the primary mechanical refrigeration system is incapable of providing the desired refrigerant temperature.
    Type: Grant
    Filed: November 3, 1978
    Date of Patent: November 18, 1980
    Assignee: Miles Laboratories, Inc.
    Inventor: Steven J. Toth