Patents by Inventor Ralph Harrison

Ralph Harrison 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).

  • Patent number: 6095744
    Abstract: A refuse collection system that includes a refuse container handling system stowed below a refuse storage hopper, all mounted on a vehicle. The refuse handling system includes a lift arm to raise and lower a single articulated arm and an extension arm to extend the lift arm from its stowed position to near a refuse container. The outer end of the extension arm includes a releasable clamp for engaging and clamping the container during lift and releasing the container when the arm returns it to the ground.
    Type: Grant
    Filed: January 15, 1997
    Date of Patent: August 1, 2000
    Inventor: Ralph Harrison