Patents by Inventor Segen Estefen

Segen Estefen 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).

  • Sandwich pipes for ultra-deep waters
    Publication number: 20050236061
    Abstract: This invention comprises a sandwich pipe, which consists of a tubular rigid system with three superposed layers (A, B, C), thermal and mechanical functions, to be used for the transportation of warmed hydrocarbons or general fluids in ultra-deep waters.
    Type: Application
    Filed: September 30, 2002
    Publication date: October 27, 2005
    Applicant: COPPE/UFRJ - Coordenacao dos Programas de Pos Graduacao de Engenharia do Universidade
    Inventors: Segen Estefen, Theodoro Netto, Ilson Pasqualino