Patents by Inventor Stefan DOERFELDT

Stefan DOERFELDT 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).

  • Pile installation system for an offshore foundation construction and method of installing a pile
    Patent number: 11542678
    Abstract: This pile installation system for an offshore foundation construction includes a main body, a movable part and a first means for attaching the main body to a frame of reference. This frame of reference is configured to act as a counterweight. It further includes a second means for attaching the movable part to a pile to be installed, and the movable part may be moved, with respect to the main body, in translation about the direction of an insertion axis.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: January 3, 2023
    Assignee: VALLOUREC DEUTSCHLAND GmbH
    Inventors: Andreas Lammers, Ralf Hojda, Daniel Stroetgen, Lieven Van Melckebeke, Stefan Reins, Hans Pihl, Niels Haakman, Stefan Bardenhagen, Stefan Doerfeldt, Christophe Jaeck, Martin Eilers, Jens Fiebig, Phillip Jorgensen
  • PILE INSTALLATION SYSTEM FOR AN OFFSHORE FOUNDATION CONSTRUCTION AND METHOD OF INSTALLING A PILE
    Publication number: 20210254300
    Abstract: This pile installation system for an offshore foundation construction includes a main body, a movable part and a first means for attaching the main body to a frame of reference. This frame of reference is configured to act as a counterweight. It further includes a second means for attaching the movable part to a pile to be installed, and the movable part may be moved, with respect to the main body, in translation about the direction of an insertion axis.
    Type: Application
    Filed: June 18, 2019
    Publication date: August 19, 2021
    Applicant: VALLOUREC DEUTSCHLAND GmbH
    Inventors: Andreas LAMMERS, Ralf HOJDA, Daniel STROETGEN, Lieven VAN MELCKEBEKE, Stefan REINS, Hans PHIL, Niels HAAKMAN, Stefan BARDENHAGEN, Stefan DOERFELDT, Christophe JAECK, Martin EILERS, Jens FIEBIG, Phillip JORGENSEN