Patents by Inventor William C. Gill

William C. Gill 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 drop module
    Patent number: 8789602
    Abstract: A pressurizing device includes a main housing having a central bore therethrough and a ball drop module removably disposed within the main housing, the ball drop module including a ball seat hingedly attached within the ball drop module and configured to receive a dropped ball, wherein the ball seat is configured to rotate about a hinge from a closed position to an open position when a pressure above the ball seat exceeds a preset limit.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: July 29, 2014
    Assignee: Smith International, Inc.
    Inventors: William C. Gill, Michael J. Harris, Aju Abraham, Robert James Costo, Jr.
  • BALL DROP MODULE
    Publication number: 20110174505
    Abstract: A pressurizing device includes a main housing having a central bore therethrough and a ball drop module removably disposed within the main housing, the ball drop module including a ball seat hingedly attached within the ball drop module and configured to receive a dropped ball, wherein the ball seat is configured to rotate about a hinge from a closed position to an open position when a pressure above the ball seat exceeds a preset limit.
    Type: Application
    Filed: January 19, 2011
    Publication date: July 21, 2011
    Applicant: SMITH INTERNATIONAL, INC.
    Inventors: William C. Gill, Michael J. Harris, Aju Abraham, Robert James Costo, JR.