Patents by Inventor Markus Hennefelder

Markus Hennefelder 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: 8632257
    Abstract: A bearing ring comprises a raceway for a rolling member as well as at least one lateral rim for axially guiding the rolling member. To produce the bearing ring a notch is introduced into a running surface of the bearing ring which faces the rolling member. A final contour of the bearing ring is created by means of a hard turning process.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: January 21, 2014
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Alexander Weidner, Markus Hennefelder, Paul Graf
  • Publication number: 20130251297
    Abstract: A bearing ring comprises a raceway for a rolling member as well as at least one lateral rim for axially guiding the rolling member. To produce the bearing ring a notch is introduced into a running surface of the bearing ring which faces the rolling member. A final contour of the bearing ring is created by means of a hard turning process.
    Type: Application
    Filed: May 13, 2013
    Publication date: September 26, 2013
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Alexander WEIDNER, Markus HENNEFELDER, Paul GRAF
  • Patent number: 8459876
    Abstract: A method for producing a bearing ring for a roiling bearing, the bearing ring comprising a raceway for a rolling member as well as at least one lateral rim for axially guiding the rolling member. In one step of said method, a notch is introduced into a running surface of the bearing ring which faces the rolling member. The final contour of the bearing ring is created by means of a hard turning process.
    Type: Grant
    Filed: December 9, 2006
    Date of Patent: June 11, 2013
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Alexander Weidner, Markus Hennefelder, Paul Graf
  • Publication number: 20080292233
    Abstract: The invention relates to a method for producing a bearing ring for a rolling bearing, said bearing ring comprising a raceway for a rolling member as well as at least one lateral rim for axially guiding the rolling member. In one step of said method, a notch is introduced into a running surface of the bearing ring which faces the rolling member. According to the invention, the final contour of the bearing ring is created by means of a hard turning process.
    Type: Application
    Filed: December 9, 2006
    Publication date: November 27, 2008
    Applicant: SCHAEFFLER KG
    Inventors: Alexander Weidner, Markus Hennefelder, Paul Graf