Patents Examined by Picard Leo P.
  • 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
  • Metal electronic package
    Patent number: 4897508
    Abstract: A metal package for housing an electronic device wherein the electronic device is attached to a severable die attach pad. The die attach pad is bonded to the base of the package with a thermally conductive medium. The base is bonded to the die attach pad and to the leadframe at the same time to reduce the thermal degradation of the sealants. In other embodiments, apertures are provided in the base component to enhance cooling of the electronic device and in the cover component to vent reaction by-products.
    Type: Grant
    Filed: February 10, 1988
    Date of Patent: January 30, 1990
    Assignee: Olin Corporation
    Inventors: Deepak Mahulikar, Sheldon H. Butt, Jacob Crane, Anthony M. Pasqualoni, Edward F. Smith