Patents by Inventor Lutz Grunwald

Lutz Grunwald 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).

  • Camshaft and corresponding production method
    Patent number: 9828889
    Abstract: A camshaft for an internal combustion engine may include a shaft and at least one component that is joined to said shaft. The component may be connected via a joint surface of the component to a joint surface of the shaft. At least one of the joint surface of the component and the joint surface of the shaft may have a predefined roughness only partially on load-critical regions.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: November 28, 2017
    Assignee: Mahle International GmbH
    Inventors: Markus Lettmann, Ralf Rieger, Falk Schneider, Lutz Grunwald, Antonio Menonna, Stefan Steichele
  • Method for joining structural elements onto a shaft
    Patent number: 9009963
    Abstract: A method for joining structural elements onto a shaft may include generating at least one projection at a respective joining position on the shaft, sliding at least one of the structural elements over at least one projection and maintaining the structural elements in at least on projection.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: April 21, 2015
    Assignee: Mahle International GmbH
    Inventor: Lutz Grunwald
  • CAMSHAFT AND CORRESPONDING PRODUCTION METHOD
    Publication number: 20140238321
    Abstract: A camshaft for an internal combustion engine may include a shaft and at least one component that is joined to said shaft. The component may be connected via a joint surface of the component to a joint surface of the shaft. At least one of the joint surface of the component and the joint surface of the shaft may have a predefined roughness only partially on load-critical regions.
    Type: Application
    Filed: July 18, 2012
    Publication date: August 28, 2014
    Applicant: Mahle International GmbH
    Inventors: Markus Lettmann, Ralf Rieger, Falk Schneider, Lutz Grunwald, Antonio Menonna, Stefan Steichele