Patents by Inventor Steve Worthen

Steve Worthen 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 of manufacturing a spherical pigging device
    Patent number: 5520871
    Abstract: A method of manufacturing a spherical pigging device for passing through a pipeline by forming a water soluble spherical core, affixing numerous magnets to the surface of the core, suspending the core within a spherical mold, pouring a liquid between the mold and the core that will cure to form a spherical body, removing the spherical body and dissolving the core to leave a hollow spherical body with the magnets encased within it.
    Type: Grant
    Filed: August 18, 1995
    Date of Patent: May 28, 1996
    Assignee: TDW Delaware, Inc.
    Inventors: Jeffrey Rosenberg, Steve Worthen
  • Magnetic sphere for use in a pipeline
    Patent number: 5461354
    Abstract: A spherical pigging device for passage through a pipeline wherein magnetic sensors are located exterior to the pipeline. The device includes a non-ferrous spherical body. A plurality of magnets, each magnet having its poles radially aligned, are divided into two groups, a first group having its north poles facing the center of the spherical body and a second group having its north poles facing away from the center of the sphere.
    Type: Grant
    Filed: July 14, 1994
    Date of Patent: October 24, 1995
    Assignee: TDW Delaware, Inc.
    Inventors: Jeffrey Rosenberg, Steve Worthen