Patents by Inventor Wesley D. Hayhurst

Wesley D. Hayhurst 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).

  • Litter retrieving machine
    Patent number: 4603544
    Abstract: An apparatus for collecting litter from roadways and grounds includes a ground engageable rotating drum with easily removable and replaceable fingers which slip in and out of channels mounted on the drum. A spring finger assembly rotates against the drum to aid in litter pickup and to strip material from the drum and deposit same on a conveyor. The conveyor directs the litter into a hopper, which, when full, is lifted by an arrangement of pivots and linkage arms to raise upwardly, then swing rearwardly and tip to dump the litter into a suitable receptacle.
    Type: Grant
    Filed: January 28, 1985
    Date of Patent: August 5, 1986
    Assignee: Proficient Systems, Inc.
    Inventor: Wesley D. Hayhurst