Patents by Inventor Robert N. Lindner

Robert N. Lindner 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: 4378662
    Abstract: An airless centrifugal blast device in the form of a one piece, two-bladed wheel mounted for rotational movement about either a horizontally or vertically disposed axis and means for off center gravitational feed of particulate media to the inner end portions of the blades with the particulate media feed tube means tapering in cross section to the discharge opening and extension of the discharge opening in the direction of rotation of the wheel.
    Type: Grant
    Filed: May 14, 1980
    Date of Patent: April 5, 1983
    Assignee: Wheelabrator-Freye Inc.
    Inventors: Raymond M. Leliaert, Richard C. Kanouse, Bill J. Butler, Robert N. Lindner
  • Patent number: 4255169
    Abstract: A method is disclosed for recycling industrial air. Air contaminated by particulates is removed from the area of machinery, transported to dust collectors, and filtered. A small portion of the filtered air is discharged to the outside atmosphere while a substantial portion is recycled to the area of the machinery. Significant savings of energy are realized while less particulates are exhausted with the air into the atmosphere as contaminants.
    Type: Grant
    Filed: June 22, 1979
    Date of Patent: March 10, 1981
    Assignee: Wheelabrator-Frye Inc.
    Inventors: Raymond M. Leliaert, Robert N. Lindner, James K. Davidson