Patents by Inventor J. Harold Shepherd

J. Harold Shepherd 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).

  • Vehicle mounted drum adjustable against a surface
    Patent number: 5114269
    Abstract: A paving surface roller having indentation rumble strips comprising main pipe segments is mounted for support and operation on a frame structure of a paving machine or other vehicle and the drum is movable from operable to inoperable position above the surface by means of hydraulic rams attached to swinging arms on the frame. In one version the drum is supported and moved. In other versions for use with fixed drums, ground engaging wheels are selectively moved into place to elevate or lower the drum.
    Type: Grant
    Filed: June 9, 1986
    Date of Patent: May 19, 1992
    Inventor: J. Harold Shepherd