Patents by Inventor Robert Timmons

Robert Timmons 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: 4974349
    Abstract: An improved earth compacting apparatus having the earth excavating bucket and earth compacting roller mounted to a hydraulically operated boom commonly known as a back-hoe. In said apparatus the earth compacting roller may be attached or removed without substantial modification or addition to the earth excavating bucket or manual alignment of necessary components.The invention permits simultaneous operation of earth digging and earth compacting by one machine. An attachment hole through the supporting ribs on the back-side of the excavating bucket allows said invention to slip on the back of the excavating bucket over a link pin and one attachment pin through an introduced hole.
    Type: Grant
    Filed: November 2, 1989
    Date of Patent: December 4, 1990
    Inventor: Robert Timmons