Patents by Inventor Jan Suhr

Jan Suhr 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).

  • Publication number: 20080289489
    Abstract: A composite piston unit (10) for an automatic vehicle transmission, in particular a double clutch transmission, comprises a shift rod and a control piston provided at each end of the shift rod and designed to run in a respective cylinder, wherein each control piston comprises a carrier and an elastomeric sealing element bonded to the periphery of the carrier thus forming a composite system. Each control piston is securely connected with respectively one end of the shift rod and is designed to have an axial extent of less than 0.25 relative to its diameter.
    Type: Application
    Filed: April 30, 2008
    Publication date: November 27, 2008
    Inventors: Jan Brosch, Michael Boehm, Roland Kral, Jan Suhr