Patents Assigned to Schuttgutfordertechnik AG
  • Device for conveying a slurry, such as sand or gravel or the like, lying under water
    Patent number: 4373276
    Abstract: A dredger device for conveying sand or gravel or the like lying under water in which the material enters a conveyor head and is conveyed through a variable length tube into a receptacle on the dredger. In the interior of the variable length tube there is a flexible tube having one end connected to the conveyor head and the other end connected to a hose reel. The conveyed material travels through the interior tube to the hose reel and through an opening therein to a receptacle.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: February 15, 1983
    Assignee: Schuttgutfordertechnik AG
    Inventor: Ludwig L. Schnell
  • Apparatus for conveying and separating loose material
    Patent number: 4094548
    Abstract: Conveying apparatus for sand, gravel and the like comprises a conveying head at the lower end of a lower pipe portion sealed to and displaceable telescopically relative to an upper pipe portion which is not longitudinally displaceable. An annular interspace between the pipe portions is filled with a pressurized sealing medium. The upper end of the upper pipe portion discharges via an impingement head into a horizontal classifying drum.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: June 13, 1978
    Assignee: Schuttgutfordertechnik AG
    Inventor: Ludwig Lorenz Schnell