Patents by Inventor David T. Rybak

David T. Rybak 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: 5020452
    Abstract: A thermal remediation apparatus for the combustion of hydrocarbon contaminants within particulate fill including a generally cylindrical combustion chamber having an exhaust port, an inlet, an outlet, and a mill having two shafts and four burners. The apparatus also includes a condenser including a condensing unit and a conduit, and an exhaust system including a fan, and optionally an exhaust stack, and a plate burner.
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: June 4, 1991
    Assignee: Murya, Inc.
    Inventor: David T. Rybak