Patents by Inventor Thomas A. Prato

Thomas A. Prato 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).

  • Introducing and removing ion-exchange and other particulates rom an assembled electrodeionization stack
    Patent number: 5203976
    Abstract: Apparatus and method for introducing ion-exchange and other particulates into certain compartments of an assembled electrodeionization stack comprising flowing a slurry of said particulates into the compartments while employing strainers for particulate retention so as to form a packed bed in the compartments; also apparatus and method for flowing said particulates out of said stack in the form of a slurry.
    Type: Grant
    Filed: April 6, 1992
    Date of Patent: April 20, 1993
    Assignee: Ionics, Incorporated
    Inventors: Edgardo J. Parsi, Keith J. Sims, Irving D. Elyanow, Thomas A. Prato
  • Introducing and removing ion-exchange and other particulates from an assembled electrodeionization stack
    Patent number: 5120416
    Abstract: Apparatus and method for introducing ion-exchange and other particulates into certain compartments of an assembled electrodeionization stack comprising flowing a slurry of said particulates into the compartments while employing strainers for particulate retention so as to form a packed bed in the compartments; also apparatus and method for flowing said particulates out of said stack in the form of a slurry.
    Type: Grant
    Filed: August 9, 1991
    Date of Patent: June 9, 1992
    Assignee: Ionics, Incorporated
    Inventors: Edgardo J. Parsi, Keith J. Sims, Irving D. Elyanow, Thomas A. Prato
  • Introducing and removing ion-exchange and other particulates from an assembled electrodeionization stack
    Patent number: 5066375
    Abstract: Apparatus and method for introducing ion-exchange and other particulates into certain compartments of an assembled electrodeionization stack comprising flowing a slurry of said particulates into the compartments while employing strainers for particulate retention so as to form a packed bed in the compartments; also apparatus and method for flowing said particulates out of said stack in the form of a slurry.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: November 19, 1991
    Assignee: Ionics, Incorporated
    Inventors: Edgardo J. Parsi, Keith J. Sims, Irving D. Elyanow, Thomas A. Prato