Patents by Inventor Wayne L. Blacklock

Wayne L. Blacklock 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: 7373704
    Abstract: A mechanical lifting mechanism for lifting bodies and/or objects for transport. The lifting mechanism has a pair of spaced vertical arms and a horizontal arm connecting the vertical arms and arranged in an inverted U. The vertical arms are adjustable in length in accordance with the size of the object to be lifted and carry lifting means at the free ends thereof. The lifting mechanism includes a pair of cross arms connected at one end in common at a supporting arm arranged between the vertical arms. The cross arms each have an end pivotably connected to an individual vertical arm for moving the vertical arms outwardly of their vertical positions. The supporting arm extends through the horizontal arm and includes a swivel for coupling to a source for imparting vertical movements to the lifting mechanism.
    Type: Grant
    Filed: May 23, 2005
    Date of Patent: May 20, 2008
    Inventor: Wayne L. Blacklock