Patents by Inventor J. P. Pittman

J. P. Pittman 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 and apparatus for offshore drilling operations
    Patent number: 3973635
    Abstract: A one-step method and apparatus for placement of a drilling guide base, running tool, and drill string during offshore drilling operations. The running tool is retrievable from the guide base leaving the drill string in position to commence drilling operations without having to return the drill string to the surface for removal of the running tool.
    Type: Grant
    Filed: December 2, 1974
    Date of Patent: August 10, 1976
    Assignee: Exxon Production Research Company
    Inventors: John M. Gatlin, J. P. Pittman