Patents by Inventor Leslie A. Horve

Leslie A. Horve 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).

  • Pumping feature on wear sleeve for unitized seal
    Patent number: 5350181
    Abstract: A fluid seal assembly with a primary seal element and a wear sleeve element. The primary seal includes a casing and a seal element that contacts a sealing surface on the wear sleeve. The wear sleeve has a cylindrical portion that overlies a portion of the sealed mechanism, and the cylindrical portion has a surface pattern thereon formed by metal cold flow, preferably by drawing and ironing. The surface pattern includes at least one hydrodynamic pumping element having a contoured portion that is radially offset from the remainder of the cylindrical portion of the sleeve.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: September 27, 1994
    Assignee: SKF USA Inc.
    Inventor: Leslie A. Horve