Patents by Inventor Timothy P. McLaughlin

Timothy P. McLaughlin 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).

  • Pressure control system and cable guiding device for use in drilling wells
    Patent number: 5188173
    Abstract: A cable system for use in completing or logging wells in association with a rig disposed at the surface, comprising:a pressure control device for counterbalancing the fluid pressure from the well; anda high pressure chamber through which the cable passes; anda cable sheave wheel incorporating the chamber.
    Type: Grant
    Filed: May 21, 1991
    Date of Patent: February 23, 1993
    Assignee: Schlumberger Technology Corporation
    Inventors: David L. Richardson, Robert A. Grubba, Timothy P. McLaughlin, David B. Parran