Patents by Inventor Klaus Kramer-Massow

Klaus Kramer-Massow 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).

  • Two wheeled vehicle, especially a bicycle
    Patent number: 6244610
    Abstract: A two-wheeled vehicle has a frame having a wheel support member at the rear of the frame. A rear wheel is spring-supported at the wheel support member. A first lever is rotatably mounted by a first rotary bearing at the frame and by a second rotary bearing at the wheel support member. A second lever is rotatably mounted at an upper end portion of the wheel support member and the frame, respectively. A spring element is rotatably mounted at the frame and/or the wheel support member and/or the first lever and/or the second lever, respectively. The second rotary bearing is positioned above the axle of the rear wheel and is positioned at the wheel support member, when viewed from the axle of the rear wheel toward a front end of the vehicle, at a distance of between 0.045 to 0.8 times the length of the wheel support member from the axis of the rear wheel.
    Type: Grant
    Filed: April 28, 1999
    Date of Patent: June 12, 2001
    Inventor: Klaus Kramer-Massow