Patents by Inventor Hodge Hatfield

Hodge Hatfield 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).

  • Paperboard tube concrete forms
    Patent number: 4147818
    Abstract: A paperboard tube for use in forming concrete columns is split longitudinally into two parts, with each part initially having its cut edges treated with a urethane resin, with each part then being dipped into a solution of an acrylic resin, and finally each part then having its interior surfaces coated with a urethane resin, each part is then assembled into a composite tube, and when used, having a reinforcing member arranged along the length of its longitudinal slits, for reinforcement of the tube edges, and finally a strap(s) or clamp(s) is arranged therearound so as to secure the tube into position for use in the pouring of concrete columns.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: April 3, 1979
    Assignee: Alton Box Board Company
    Inventor: Hodge Hatfield
  • Paperboard tube concrete forms
    Patent number: 4083526
    Abstract: A paperboard tube for use in forming concrete columns is split longitudinally into two parts, with each part initially having its cut edges threated with a urethane resin, with each part then being dipped into a solution of an acrylic resin, and finally each part then having its interior surfaces coated with a urethane resin, each part is then assembled into a composite tube, and when used, having a reinforcing member arranged along the length of its longitudinal slits, for reinforcement of the tube edges, and finally a strap(s) or clamp(s) is arranged therearound so as to secure the tube into position for use in the pouring of concrete columns.
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: April 11, 1978
    Assignee: Alton Box Board Company
    Inventor: Hodge Hatfield