Patents Assigned to Observator B.V.
  • Patent number: 4149251
    Abstract: A dredge profile computer for a cutter suction dredge converting the measured swing angle into the width of the cut in feet and the measured cutter-ladder angle to the depth of the cut in feet, being provided with an indicating unit to show the position of the cutter head with respect to a planar profile, and with a signalling unit to indicate the position of the cutter head by means of signalling lamps with respect to the centerline and with respect to the end of cut SB and PS, and with an adjustment and control unit presetting of warning and correction facilities.
    Type: Grant
    Filed: March 15, 1977
    Date of Patent: April 10, 1979
    Assignee: Observator B.V.
    Inventors: Cornelis J. Noordermeer, Johannes Maas
  • Patent number: 4133033
    Abstract: A dredge profile computer for a cutter suction dredge converting the measured swing angle into the width of the cut in feet and the measured cutter-ladder angle to the depth of the cut in feet, being provided with an indicating unit to show the position of the cutter head with respect to a planar profile, and with a signalling unit to indicate the position of the cutter head by means of signalling lamps with respect to the centerline and with respect to the end of cut SB and PS, and with an adjustment and control unit for slope dredging with presettings of the slope-ratio and the coordinates of slope and for presetting of warning and correction facilities.
    Type: Grant
    Filed: December 22, 1977
    Date of Patent: January 2, 1979
    Assignee: Observator B.V.
    Inventors: Cornelis J. Noordermeer, Johannes Maas