Patents by Inventor German Lang

German Lang 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).

  • Method for producing rollers and sleeves for chains
    Patent number: 7472538
    Abstract: A method or producing rollers and sleeves for chains, particularly for roller chains or sleeve-type chains. The rollers and sleeves are of cylindrical form and they are deep-drawn from a sheet metal material. The drawn components can remain attached to the sheet metal for convenience in transporting them and later separated from the sheet as they are needed. Alternatively, the drawn components can be separated from the sheet metal material and can be pressed into the openings that remain in the sheet metal, again for convenient transportation.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: January 6, 2009
    Assignee: Schaeffler KG
    Inventors: Joachim Spörrer, Olaf Donath, Georg Backert, Michael Dotterweich, Alexander Fichtner, German Lang
  • Method for producing rollers and sleeves for chains
    Publication number: 20080072563
    Abstract: A method or producing rollers and sleeves for chains, particularly for roller chains or sleeve-type chains. The rollers and sleeves are of cylindrical form and they are deep-drawn from a sheet metal material. The drawn components can remain attached to the sheet metal for convenience in transporting them and later separated from the sheet as they are needed. Alternatively, the drawn components can be separated from the sheet metal material and can be pressed into the openings that remain in the sheet metal, again for convenient transportation.
    Type: Application
    Filed: July 18, 2007
    Publication date: March 27, 2008
    Applicant: LuK Lamellen und Kupplungsbau Beteiligungs KG
    Inventors: Joachim Sporrer, Olaf Donath, Georg Backert, Michael Dotterweich, Alexander Fichtner, German Lang