Patents by Inventor Alejandro Izquierdo De Francisco

Alejandro Izquierdo De Francisco 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: 9410293
    Abstract: A high-speed railway aerodynamic sleeper (1) including one central area (2), two support areas (3) on each side of the central area (2), on which the rails are placed, and two outer areas (4), located at the ends of the sleeper (1), following the support areas (3). The cross-section of the sleeper (1) includes, on the central area (2), and the support areas (3), and the two outer areas (4), a first bottom section (5) comprising a first polygon (7) having at least 4 sides and a second top section (6) having at least one second polygon (8) of n sides, n being?4, the first bottom section (5) and the second top section (6) being attached to each other, and the top base (10) of the first polygon (7) and the bottom base (9) of the second polygon (8) share their sides.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: August 9, 2016
    Assignees: ADMINISTRADOR DE INFRAESTRUCTURAS FERROVIARIAS (ADIF), FUNDACION CIDAUT, SENER INGENIERIA Y SISTEMAS, S.A., UNIVERSIDAD POLITECNICA DE MADRID
    Inventors: Miguel Rodriguez Plaza, Alvaro Mascaraque Sillero, Luis Alberto Montes Leon, Alejandro Izquierdo de Francisco, Manuel Rodriguez Fernandez, Paula Alvarez Legazpi, Benigno Lazaro Gomez, Ezequiel Gonzalez Martinez, Alvaro Andres Alguacil, Diana Alonso Gimeno, Santiago Del Blanco Villalba, Angel Perena Tapiador, Rafael Rebolo Gomez, Pedro Jose Herraiz Alijas
  • Publication number: 20150028121
    Abstract: The high-speed railway aerodynamic sleeper (1) comprises one central area (2), two support areas (3) on each side of the central area (2), on which the rails are placed, and two outer areas (4), located at the ends of the sleeper (1), following the support areas (3). The cross-section of the sleeper (1) comprises, on the central area (2), and the support areas (3), and the two outer areas (4), a first bottom section (5) comprising a first polygon (7) of at least 4 sides and a second top section (6) comprising at least one second polygon (8) of n sides, n being ?4, the first bottom section (5) and the second top section (6) being attached to each other, and the top base (10) of the first polygon (7) and the bottom base (9) of the second polygon (8) share their sides.
    Type: Application
    Filed: February 15, 2013
    Publication date: January 29, 2015
    Inventors: Miguel Rodriguez Plaza, Alvaro Mascaraque Sillero, Luis Alberto Montes Leon, Alejandro Izquierdo De Francisco, Manuel Rodriguez Fernandez, Paula Alvarez Legazpi, Benigno Lazaro Gomez, Ezequiel Gonzalez Martinez, Alvaro Andres Alguacil, Diana Alonso Gimeno, Santiago Del Blanco Villalba, Angel Perena Tapiador, Rafael Rebolo Gomez, Pedro Jose Herraiz Alijas