Patents by Inventor Steffen Kretschmer

Steffen Kretschmer 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).

  • Control mechanism with an operating lever and a bearing ball with integrated permanent magnet
    Publication number: 20080088397
    Abstract: A control mechanism has an operating lever (1) connected with a bearing ball (1a) with an integrated permanent magnet (4), the poles of which are located vertically one above the other, and which when the operating lever (1) is deflected move together with the bearing ball (1a). At least one contactless sensor (5) is provided for the measurement of a deflection of the operating lever (1) by measuring the orientation of the permanent magnet (4). The sensor (5) is located vertically underneath the bearing ball (1a) and immediately next to it.
    Type: Application
    Filed: August 8, 2007
    Publication date: April 17, 2008
    Applicant: Linde Material Handling GmbH
    Inventor: Steffen Kretschmer
  • Lift truck
    Patent number: D640031
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: June 14, 2011
    Assignee: Linde Material Handling GmbH
    Inventor: Steffen Kretschmer
  • Combined tiller head and joystick
    Patent number: D640032
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: June 14, 2011
    Assignee: Linde Material Handling GmbH
    Inventor: Steffen Kretschmer
  • Rechargeable battery
    Patent number: D642120
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: July 26, 2011
    Assignee: Linde Material Handling GmbH
    Inventor: Steffen Kretschmer