Patents by Inventor Andrew Rolph Graves

Andrew Rolph Graves 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: 20130239827
    Abstract: A refuse truck has a container for receiving refuse, and a packer panel for compacting refuse. The forces for compacting refuse are provided by hydraulic cylinders. The hydraulic cylinders extend through and are coupled to the packer panel. The hydraulic cylinders are telescopic or rod cylinders that have an open length several times their closed length. The hydraulic cylinders provide bi-directional forces so that the packer panel can be pushed away from or pulled towards the front wall of the container.
    Type: Application
    Filed: March 15, 2012
    Publication date: September 19, 2013
    Inventors: Arthur Baird Zimmerman, Jeffrey Louis Liebner, Dale Evan Wright, Andrew Rolph Graves