Patents by Inventor Lewis L. Brady

Lewis L. Brady 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).

  • Ball sealer
    Patent number: 4505334
    Abstract: A ball sealer for use in flow equalization during fluid injection into oil wells is described which has a layer of thermosetting filament wrapped around its core. After curing, the wrapping layer provides the major part of the ball's strength.
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: March 19, 1985
    Assignee: Oil States Industries, Inc.
    Inventors: August K. Doner, Lewis L. Brady, Jesse T. Alvarado