Patents by Inventor Emmanuel F. Nogueira

Emmanuel F. Nogueira 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).

  • Single drilling guide base for subsea oil wells
    Patent number: 5560436
    Abstract: A single drilling guide base for subsea oil wells includes two parts, namely a lower part (1) and an upper part (2), which are bolted together (at 7). The whole arrangement is provided with a seating indicator (5) connected to the lower part and holes in a funnel shaped portion of the upper part for the discharge of gravel.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: October 1, 1996
    Assignee: Petroleo Brasileiro S.A. - Petrobras
    Inventors: Samir P. Awad, Emmanuel F. Nogueira