Patents by Inventor Marcos Donato Auler DA SILVA FERREIRA

Marcos Donato Auler DA SILVA FERREIRA 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).

  • Patent number: 10196111
    Abstract: The present invention is related to a gravitation anchor for offshore anchoring of ships and platforms, comprising a main body (10) with a longitudinal axis of revolution (11), comprising a means of stabilization (14), whereby the means of stabilization (14) comprises a means of automatic activation (140). Optionally, the means of stabilization comprises at least one stabilizer (14), whereby each stabilizer (14) comprises an end pivotally attached (141) to the gravitation anchor (1), and a free end, whereby when the stabilizer (14) is in a retracted position, the free end is positioned closer to the main body (10) of the gravitation anchor (1), and whereby when the stabilizer (14) is in an extended position, the free end is positioned away from the main body (10) of the gravitation anchor (1).
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: February 5, 2019
    Assignees: PETROLEO BRASILEIRO S.A.—PETROBRAS, UNIVERSIDADE FEDERAL DO RIO DE JANEIRO
    Inventors: Daniel Fonseca De Carvalho E Silva, Marcos Donato Auler Da Silva Ferreira, Antonio Carlos Fernandes
  • Publication number: 20170144731
    Abstract: The present invention is related to a gravitation anchor for offshore anchoring of ships and platforms, comprising a main body (10) with a longitudinal axis of revolution (11), comprising a means of stabilization (14), whereby the means of stabilization (14) comprises a means of automatic activation (140). Optionally, the means of stabilization comprises at least one stabilizer (14), whereby each stabilizer (14) comprises an end pivotally attached (141) to the gravitation anchor (1), and a free end, whereby when the stabilizer (14) is in a retracted position, the free end is positioned closer to the main body (10) of the gravitation anchor (1), and whereby when the stabilizer (14) is in an extended position, the free end is positioned away from the main body (10) of the gravitation anchor (1).
    Type: Application
    Filed: November 17, 2016
    Publication date: May 25, 2017
    Applicants: PETROLEO BRASILEIRO S.A. - PETROBRAS, UNIVERSIDADE FEDERAL DO RIO DE JANEIRO
    Inventors: Daniel Fonseca DE CARVALHO E SILVA, Marcos Donato Auler DA SILVA FERREIRA, Antonio Carlos FERNANDES