Patents by Inventor Stefan HELBERT

Stefan HELBERT 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: 12221997
    Abstract: A tubular sleeve is provided, in particular for use as a force-absorbing sleeve. The sleeve includes a casing wall having a through-opening, wherein the sleeve is formed from plastic, and a modulus of elasticity of the plastic is between 15,000 MPa and 25,000 MPa.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: February 11, 2025
    Assignee: ILLINOIS TOOL WORKS INC.
    Inventors: Martin Kluge, Bruno Da Rocha, Stefan Helbert
  • Patent number: 12006961
    Abstract: A modular screw is provided, wherein the screw includes, in an axial direction, the following elements: a screw head, a shank having a second functional portion, a third functional portion for distributing a prestressing force, wherein a washer is arranged in the second functional portion and is mounted so as to be rotatable about a longitudinal axis of the screw, and a fourth functional portion having an external thread, and wherein the washer is secured in an approximately positionally fixed manner in the axial direction by bearing against the second and the fourth functional portion.
    Type: Grant
    Filed: February 1, 2022
    Date of Patent: June 11, 2024
    Assignee: ILLINOIS TOOL WORKS INC.
    Inventors: Sven Becker, Bruno Da Rocha, Andreas Jakob, Stefan Helbert, Nelson Santos
  • Publication number: 20220282751
    Abstract: A tubular sleeve is provided, in particular for use as a force-absorbing sleeve. The sleeve includes a casing wall having a through-opening, wherein the sleeve is formed from plastic, and a modulus of elasticity of the plastic is between 15,000 MPa and 25,000 MPa.
    Type: Application
    Filed: March 3, 2022
    Publication date: September 8, 2022
    Inventors: Martin KLUGE, Bruno DA ROCHA, Stefan HELBERT
  • Publication number: 20220260105
    Abstract: A modular screw is provided, wherein the screw includes, in an axial direction, the following elements: a screw head, a shank having a second functional portion, a third functional portion for distributing a prestressing force, wherein a washer is arranged in the second functional portion and is mounted so as to be rotatable about a longitudinal axis of the screw, and a fourth functional portion having an external thread, and wherein the washer is secured in an approximately positionally fixed manner in the axial direction by bearing against the second and the fourth functional portion.
    Type: Application
    Filed: February 1, 2022
    Publication date: August 18, 2022
    Inventors: Sven BECKER, Bruno DA ROCHA, Andreas JAKOB, Stefan HELBERT, Nelson SANTOS