Patents by Inventor Wolfgang Krella

Wolfgang Krella 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).

  • Sample taking apparatus
    Patent number: 4026154
    Abstract: Apparatus for taking samples from a stream of material discharged along a path from a conveyor comprises a gate movable between either one of two different positions in one of which the gate lies in the path of the stream of material and in the other of which the gate is clear of the path. Depending upon the position of the gate, the material is discharged to one of two different receivers.
    Type: Grant
    Filed: April 10, 1975
    Date of Patent: May 31, 1977
    Assignee: Polysius AG
    Inventors: Hartmut Pfeiffer, Manfred Hilbig, Wolfgang Krella