Patents by Inventor Jesus Waldemar Golçalves da Silva

Jesus Waldemar Golçalves da Silva 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: 12071732
    Abstract: A railroad sleeper for fixation of at least one pair of rails of a railroad network, the railroad sleeper may include a contact surface, wherein each rail of the pair of rails is fixed thereto spaced apart from each other; anchorage walls extending downward from the contact surface, and having a support point at a bottom surface thereof, the anchorage walls having at least one aperture formed therein; and a void delimited by the contact surface and anchorage walls.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: August 27, 2024
    Assignee: Braskem S.A.
    Inventors: Aldo Marconi Wessen Machado, Jesus Waldemar Golçalves da Silva, Renato Teixeira Vargas, Walter Vidon Junior
  • Publication number: 20200370247
    Abstract: A railroad sleeper for fixation of at least one pair of rails of a railroad network, the railroad sleeper may include a contact surface, wherein each rail of the pair of rails is fixed thereto spaced apart from each other; anchorage walls extending downward from the contact surface, and having a support point at a bottom surface thereof, the anchorage walls having at least one aperture formed therein; and a void delimited by the contact surface and anchorage walls.
    Type: Application
    Filed: May 26, 2020
    Publication date: November 26, 2020
    Applicant: Braskem S.A.
    Inventors: Aldo Marconi Wessen Machado, Jesus Waldemar Golçalves da Silva, Renato Teixeira Vargas, Walter Vidon Junior