Patents by Inventor Fernando Jose M. Nagle

Fernando Jose M. Nagle 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).

  • Equipment for the interconnection of two lines to allow running of pigs
    Patent number: 5435338
    Abstract: The present invention relates to an equipment for the interconnection of two lines to allow running of pigs. Particularly, it is applied to subsea pipelines. This device allows the pigging in installations with restraint accessibility. This equipment allows that pigs launched from the first site into the first line, return via the second line back to the first site. It is of a modular conception, and can be installed at any equipment located at the interconnection point of the two lines, even for existent facilities.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: July 25, 1995
    Assignee: Petroleo Brasileiro S.A. - Petrobras
    Inventors: Jose Eduardo M. Da Silva, Marcelino G. F. M. Gomes, Fernando Jose M. Nagle