Now showing items 1-7 of 7

    • Ivey, Don L. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 1990-03-20)
      An advanced dynamic impact extension module, used to protect occupants of vehicles from the adverse effects of extremely rapid deacceleration of a vehicle when the vehicle impacts an end of a concrete barrier wall is ...
    • Ivey, Don L. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 1998-08-11)
      Apparatus and methods are described for preventing the penetration of vehicles by narrow objects such as guardrail ends or portions of a guardrail end treatment during a collision. In one embodiment, portions of an ET-2000 ...
    • Zimmer, Richard A. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2000-07-04)
      A novel energy absorbing module is described which is relatively inexpensive, easy to make and provides for a relatively consistent crush resistance along its length when impacted axially. The module is made up of a generally ...
    • Alberson, Dean C.; Bullard Jr., Lance D.; Karpathy, Christopher J.; Carney III, John F. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2007-07-24)
      An energy absorbing terminal is described that is made up of a plurality of cells partially defined by cambered panels made of thermoplastic or another suitable material. The panels are supported upon rectangular frames. ...
    • Ivey, Don L.; Zimmer, Richard A. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2001-01-30)
      A collapsible crash barrier for use as and end treatment for a commonly known "Jersey Barrier" provides a frame assembly having a tubular construction and circular guides to control axial collapse of the barrier. A saddle ...
    • Bligh, Roger P.; Mak, King K.; Ross, Hayes E., Jr. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2002-08-20)
      Slot guards for a slotted rail terminals are described having a central section and a pair of wing portions that are angularly disposed with respect to the central portion. The wing portions are folded away from the plane ...
    • Alberson, Dean C.; Bullard Jr., Lance D.; Buth, Eugene C.; Bligh, Roger P. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2005-06-07)
      A guardrail support post includes a continuous structural member having a top edge, a bottom edge, and a generally uniform cross section from the top edge to the bottom edge. The structural member includes first and second ...