Patents by Inventor William Hedenberg

William Hedenberg 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: 20050236792
    Abstract: An improved air suspension system for the rear axle of a vehicle such as a light to medium duty truck. The system includes a torque arm extending forward of the axle with its forward end mounted on the frame and an intermediate point mounted on the axle. The rear end of the torque arm extends rearwardly of the rear axle and said rear end comprises a bracket that is offset and supports the forward end of a lever arm. The rear end of the lever arm is mounted on a shackle affixed to the chassis. An air spring is mounted on the lever arm and the air spring and lever arm support major portion of the vehicle weight.
    Type: Application
    Filed: June 27, 2005
    Publication date: October 27, 2005
    Inventor: William Hedenberg
  • Publication number: 20050110233
    Abstract: An improved air suspension system for the rear axle of a vehicle such as a light to medium duty truck. The system includes a torque arm extending forward of the axle with its forward end mounted on the frame and an intermediate point mounted on the axle. The rear end of the torque arm extends rearwardly of the rear axle and has a hanger bracket attached thereto. The forward end of a lever arm is supported on a shackle assembly that in turn is mounted on the hanger bracket, and the rear end of the lever arm is mounted on a bushing affixed to the chassis. An air spring is mounted on the lever arm and the air spring and lever arm support major portion of the vehicle weight.
    Type: Application
    Filed: November 20, 2003
    Publication date: May 26, 2005
    Inventor: William Hedenberg