Patents Assigned to Construction Techniques, Inc.
  • Patent number: 4154061
    Abstract: A fabric and containers constructed therefrom, formed of interwoven warp and weft yarns, characterized by a plurality of continuous reinforcing means woven into the fabric at spaced intervals among and parallel to the warp or weft yarns, or both, each reinforcing means comprising a plurality of periodically spaced unwoven sections lying on one or both sides of and in juxtaposition with the fabric.
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: May 15, 1979
    Assignee: Construction Techniques, Inc.
    Inventors: Tomoji Umemoto, Yukichi Nakamura
  • Patent number: 4135843
    Abstract: An erosion control mat of textile material formed of a series of contiguous frame units each comprising a tubular perimeter adapted to be filled with concrete and a center area circumscribed by the tubular perimeter, provided with filter means capable of preventing the loss of erodible material from the center area while permitting the cultivation of plant life within the center area.
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: January 23, 1979
    Assignee: Construction Techniques, Inc.
    Inventors: Tomoji Umemoto, Yukichi Nakamura