Patents by Inventor Bernd-Arno Behrens

Bernd-Arno Behrens 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: 8783079
    Abstract: A portable handheld device for introducing an external profile into a longitudinal workpiece by noncutting shaping includes a locking element and a profiling tool having a pitchless profile disposed opposite the locking element and disposable at an adjustable angle as a function of a desired lead angle of the external profile within a force transmission plane, wherein the workpiece is disposable and removable between the profiling tool and the locking element, and wherein the profile tool and the locking element are configured to execute a feed movement relative to one another and to be adjustable to a neutral position.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: July 22, 2014
    Assignee: Gottfried Wilhelm Leibniz Universitaet Hannover
    Inventors: Bernd-Arno Behrens, Hagen Schmidt, Philipp Silberkuhl, Dietmar Schnier
  • Publication number: 20120186318
    Abstract: The invention relates to a device for introducing a thread into a workpiece having a cylindrical outer surface by means of thread rolling, comprising a profiling tool (7) having a profile without pitch, wherein the axis of the profiling tool is at an angle or parallel to the axis of the workpiece, wherein the profiling tool (7) is formed by a circular disk (9) rotatably mounted about the axis (8) of the disk, on the outer edge of which disk two annular, coaxial profiles (10) without pitch protrude, wherein said profiles form an annular space therebetween that corresponds in shape and dimensions to the thread profile of the thread to be created.
    Type: Application
    Filed: September 2, 2011
    Publication date: July 26, 2012
    Inventors: Bernd-Arno Behrens, Hagen Schmidt, Philipp Silberkuhl, Dietmar Schnier
  • Publication number: 20110107806
    Abstract: A portable handheld device for introducing an external profile into a longitudinal workpiece by noncutting shaping includes a locking element and a profiling tool having a pitchless profile disposed opposite the locking element and disposable at an adjustable angle as a function of a desired lead angle of the external profile within a force transmission plane, wherein the workpiece is disposable and removable between the profiling tool and the locking element, and wherein the profile tool and the locking element are configured to execute a feed movement relative to one another and to be adjustable to a neutral position.
    Type: Application
    Filed: March 3, 2009
    Publication date: May 12, 2011
    Applicant: GOTTFRIED WILHELM LEIBNIZ UNIVERSITAET HANNOVER
    Inventors: Bernd-Arno Behrens, Hagen Schmidt, Philip Silberkuhl, Dietmar Schnier