Patents by Inventor William W. Bartley

William W. Bartley 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).

  • Apparatus for removing fluid in a piston cylinder assembly
    Patent number: 4055107
    Abstract: This disclosure relates to an apparatus for use with a piston cylinder assembly and includes one or more rod scraper elements employed for the removal and retention of any fluid adhering to the surface of the piston rod during its operation, which fluid if desired may be processed for reuse.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: October 25, 1977
    Assignee: Wean United, Inc.
    Inventor: William W. Bartley