Patents by Inventor Ludwig Lorenz Schnell

Ludwig Lorenz Schnell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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