Patents by Inventor Merlin L. Conklin

Merlin L. Conklin 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: 5461736
    Abstract: A portable hydraulic lift step stool for raising handicapped patients to an elevated location comprising of a lower base positionable upon a floor, the lower base having parallel corner walls extending upwardly therefrom. An upper base having a planar surface, the upper surface of which is adapted to support a patient to be lifted and transported, the lower surface of which faces the lower base, the upper base having front and rear edges with a downwardly extending plate adapted to be positioned between the upwardly extending corner walls of the lower base. And a hydraulic jack having an upper end secured to the lower surface of the upper base and having a lower end secured to the upper surface of the lower base, the hydraulic jack including a handle extending outwardly from the upper base and lower base in a space between the corner walls of the lower base, the handle adapted to be pumped to raise and lower the hydraulic jack, the jack also having a switch for reversing the direction of movement of the jack.
    Type: Grant
    Filed: May 13, 1994
    Date of Patent: October 31, 1995
    Inventors: Joyce A. Carpenter, Merlin L. Conklin