Patents by Inventor Robert G. Wickham

Robert G. Wickham 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).

  • Heavy duty radiator cooling fan
    Patent number: 4088423
    Abstract: A radiator cooling fan assembly is disclosed for use in trucks and other large vehicles. The heavy duty assembly includes a pair of hubs having radially extending arms with blades extending between aligned pairs of hub arms. The arms of one hub are substantially shorter than the arms of the other hub. In addition, the either hub may include either an enlarged aperture in its central portion or webbing between its arms or both.
    Type: Grant
    Filed: October 28, 1976
    Date of Patent: May 9, 1978
    Assignee: Hayes-Albion Corporation
    Inventors: Patrick J. Dulin, Thomas G. Gorman, Neil E. Robb, Robert G. Wickham
  • Radiator cooling fan
    Patent number: 4046488
    Abstract: An improved radiator cooling fan has a substantially planar mounting hub and individually twisted blades extending radially therefrom. Each blade includes reinforcing edges along a portion thereof to enhance durability and lengthen useful service life.
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: September 6, 1977
    Inventor: Robert G. Wickham