Patents by Inventor Hubert Davidson

Hubert Davidson 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).

  • Method and means for continuous surface treatment
    Patent number: 4037364
    Abstract: In order to clean work pieces such as castings a work piece is loaded into a cage and continuously rotated while being continuously advanced past a means for propelling particulate cleaning means at the work piece.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: July 26, 1977
    Assignee: Wheelabrator-Frye, Inc.
    Inventors: Ardee H. Freeman, Harold F. Schulte, Hubert Davidson