Patents by Inventor Jacques Vialars

Jacques Vialars 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).

  • Pole lifting apparatus
    Patent number: 4620693
    Abstract: Apparatus for lifting electric line poles is disclosed which also enables a ground rod or stake to be driven into the ground next to such a pole. There is provided a telescopic mast having a hoist with a rope run over pulleys to a lifting hook and attached at the upper end of the mast. For driving in ground rods or stakes a carriage mounted for movement along the mast is used which can be attached to the lifting hook and can secure an air hammer.
    Type: Grant
    Filed: July 19, 1984
    Date of Patent: November 4, 1986
    Assignee: Electricite de France
    Inventors: Jacques Vialars, Alain Rossignol, Andre Vidal, Lionel Sarrade