Patents by Inventor Jan-Hinrich Sick

Jan-Hinrich Sick 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).

  • Device for adjusting and verifying the tension force of screwed connections
    Patent number: 7260997
    Abstract: The invention relates to a device for adjusting and/or verifying the axial force in screwed connections. The inventive device contains a control device for limiting an axial force acting between two force application elements of the screwed connection. To this end, the invention provides that the control device will record signal values from a measuring element whose electrical resistance varies according to the acting axial force.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: August 28, 2007
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung E.V.
    Inventors: Holger Luethje, Jan-Hinrich Sick
  • Device for adjusting and verifying the tension force of screwed connections
    Publication number: 20050155434
    Abstract: The invention relates to a device (1) for adjusting and/or verifying the axial force in screwed connections. The inventive device contains a control device for limiting an axial force acting between two force application elements of the screwed connection. To this end, the invention provides that the control device comprises means (4, 5) for recording signal values from a measuring element (2) whose electric resistance can vary according to the acting axial force.
    Type: Application
    Filed: April 11, 2003
    Publication date: July 21, 2005
    Inventors: Holger Luethje, Jan-Hinrich Sick