Patents Assigned to Contech Technologies, Inc.
  • Patent number: 8434971
    Abstract: Single and multiple retaining wall blocks and block systems in which the blocks are provided with a face connection system which includes at least one front lip extending from a top surface of the block and a bottom channel formed into a front face and bottom surface of the block. The front lips have a length which is equal to the width of the blocks.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: May 7, 2013
    Assignee: Contech Technologies, Inc.
    Inventors: William B. Dawson, Robert A. MacDonald
  • Patent number: 6524722
    Abstract: A corrugated structural metal plate includes longitudinally extending corrugations defined by alternating crests and valleys. Each of the crests and valleys includes longitudinally extending flat segments that are configured to reduce buckling of the plate when the plate is curved about an axis generally transverse to its longitudinal axis.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: February 25, 2003
    Assignee: Contech Technologies, Inc.
    Inventor: James C. Schluter