Patents by Inventor Alfred Fuhrboter

Alfred Fuhrboter 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).

  • Patent number: 4052800
    Abstract: A system for gathering solids disposed on the ocean floor by dragging a collecting apparatus along the ocean floor so as to deposit the solids in an extended pile, the collecting apparatus having a relatively large inlet opening and a relatively small exit opening. The solids are brought to the surface by conveying apparatus that draws the solids from the pile and drives them up to the surface, the conveying apparatus being independent of the collecting apparatus.
    Type: Grant
    Filed: July 31, 1975
    Date of Patent: October 11, 1977
    Assignee: Salzgitter AG
    Inventors: Alfred Fuhrboter, Manfred Mittelstadt