Patents by Inventor Archie A. Pippin

Archie A. Pippin 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: 4804165
    Abstract: A stake pulling apparatus which is characterized by an upright box-frame adapted to contain a quantity of hydraulic fluid, a bifurcated base plate attached to the bottom of the frame for supporting the frame, a hydraulic cylinder pivotally suspended from the frame over the slot provided in the base, a hydraulic pump provided in fluid communication with the box-frame hydraulic fluid reservoir, a gasoline engine for powering the apparatus and a hydraulic control system for controlling the introduction of hydraulic fluid into the hydraulic cylinder to remove a stake embedded in the ground and located in the slot beneath the hydraulic cylinder. In a preferred embodiment, a chain is wrapped around the stake and attached to the cylinder piston, in order to secure the piston to the stake and effect extraction of the stake from the ground.
    Type: Grant
    Filed: September 18, 1987
    Date of Patent: February 14, 1989
    Inventors: Archie A. Pippin, Wilton S. Perryman, Jr.