Patents by Inventor André Luiz Da Fonseca Fadel

André Luiz Da Fonseca Fadel 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).

  • Oil-gas separating method and bottom-hole spiral separator with gas escape channel
    Patent number: 6394182
    Abstract: This invention relates to a separator for the bottom of an oil production well with a channel for the escape of gas which has the function of providing a free path for the flow of gas which might be trapped in the separating channel due to possible flooding in the region of the separation inlet.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: May 28, 2002
    Assignee: Petroleo Brasileiro S.A. - Petrobras
    Inventor: André Luiz Da Fonseca Fadel