Patents by Inventor Vincent de P. Hagan

Vincent de P. Hagan 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).

  • Apparatus and method for mixing concrete
    Patent number: 4854711
    Abstract: An apparatus and method of mixing concrete include a horizontally cylindrical mixing drum being loaded with concrete ingredients, agitating the ingredients by way of mixing elements rotating about a horizontal axis centrally located with respect to the mixing drum, rotating the mixing drum about the axis, such that an opening in the mixing drum is revolved to a horizontal elevation below the axis, and discharging the mixing drum by rotating the mixing element such that the mixing elements urge the contents thereof in the direction of and through the opening.
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: August 8, 1989
    Assignee: The Vince Hagan Company
    Inventor: Vincent de P. Hagan