Patents by Inventor Jelle GROOT

Jelle GROOT 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).

  • Arrangement with a hollow mandrel for introducing drainage ribbons in a subsoil
    Patent number: 10472789
    Abstract: The invention relates to an arrangement for vertically introducing drainage ribbons into a subsoil, comprising an hollow mandrel and a drainage ribbon that is fed through the mandrel, wherein the mandrel comprises a permanent section with a first elongate mandrel profile and a mandrel drive, and a replacement section at the end of the mandrel, wherein the replacement section comprises a second elongate mandrel profile that is joint with the end of the first mandrel profile by means of a weld, a bottom face at the bottom end of the second mandrel profile, and a push bar and a spring that biases the push bar towards its extended position with respect to the bottom face, wherein the mandrel drive comprises a drive cable that extends through the hollow mandrel and that is at one end operatively connected with the push bar by means of a releasable coupling.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: November 12, 2019
    Assignee: BAGGERMAATSCHAPPIJ BOSKALIS B.V.
    Inventors: Dries Cornelis Maria Stork, Jelle Groot
  • ARRANGEMENT WITH A HOLLOW MANDREL FOR INTRODUCING DRAINAGE RIBBONS IN A SUBSOIL
    Publication number: 20190177943
    Abstract: The invention relates to an arrangement for vertically introducing drainage ribbons into a subsoil, comprising an hollow mandrel and a drainage ribbon that is fed through the mandrel, wherein the mandrel comprises a permanent section with a first elongate mandrel profile and a mandrel drive, and a replacement section at the end of the mandrel, wherein the replacement section comprises a second elongate mandrel profile that is joint with the end of the first mandrel profile by means of a weld, a bottom face at the bottom end of the second mandrel profile, and a push bar and a spring that biases the push bar towards its extended position with respect to the bottom face, wherein the mandrel drive comprises a drive cable that extends through the hollow mandrel and that is at one end operatively connected with the push bar by means of a releasable coupling.
    Type: Application
    Filed: June 19, 2017
    Publication date: June 13, 2019
    Applicant: BAGGERMAATSCHAPPIJ BOSKALIS B.V.
    Inventors: Dries Cornelis Maria STORK, Jelle GROOT