Patents Assigned to Donald W. Petty
  • Portable ram, engine stand and transmission cradle
    Patent number: 4796861
    Abstract: A portable lifting jack with ram, engine stand and transmission cradle. The jack is comprised of a boom for hoisting objects, an engine stand, transmission cradle, and a hydraulic ram and press assembly. The ram press is incorporated into the front vertical base of jack and provides a counter weight and also allows the press, engine stand and transmission cradle to be used simultaneously. The jack is equipped with caster wheels and the legs and boom are extendable to enable the jack to be placed in any necessary position.
    Type: Grant
    Filed: September 28, 1987
    Date of Patent: January 10, 1989
    Assignee: Donald W. Petty
    Inventor: James W. Petty