Patents Assigned to Albert W. Unrath, Inc.
  • Mobile apparatus for securely retrieving and placing markers on a surface and method therefor
    Patent number: 6364400
    Abstract: A mobile vehicle for enabling placement and retrieval of markers on a road surface includes a cargo bed coupled to the mobile vehicle and a well area coupled to the cargo bed, the well area being sized to accommodate an individual and including a retainer to prevent inadvertent egress while enabling the individual positioned within the well area to manually place and retrieve markers from the cargo bed onto the road surface.
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: April 2, 2002
    Assignee: Albert W. Unrath, Inc.
    Inventor: Albert W. Unrath
  • Cushion for crash attenuation system
    Patent number: 6098767
    Abstract: A crash attenuator adapted to be mounted on a vehicle to attenuate some of the energy of an impact, the crash attenuator includes a frame adapted to be mounted on a vehicle; a slider mounted on the frame to slide in response relative to the frame toward the vehicle in response to an impact; a collapsible, energy-absorbing member positioned between the slider and the frame to absorb energy as the slider telescopes relative to the frame; and a crushable, energy-absorbing crash cushion on the outboard side of the slider.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: August 8, 2000
    Assignee: Albert W. Unrath, Inc.
    Inventor: Albert W. Unrath
  • Vehicle mounted crash attenuation system
    Patent number: 5697657
    Abstract: A crash attenuator adapted to be mounted on a vehicle to attenuate some of the energy of an impact, the crash attenuator includes a frame adapted to be mounted on a vehicle; a slider mounted on the frame to slide in response relative to the frame toward the vehicle in response to an impact; a collapsible, energy-absorbing member positioned between the slider and the frame to absorb energy as the slider telescopes relative to the frame; and a crushable, energy-absorbing crash cushion on the outboard side of the slider.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: December 16, 1997
    Assignee: Albert W. Unrath, Inc.
    Inventor: Albert W. Unrath, Sr.