Patents by Inventor Karl G. Boman

Karl G. Boman 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: 4256581
    Abstract: An apparatus for the preparation of granulate from hot-melting mixes comprises a pourer connected by a filter-containing conduit to at least one mixing and melting device. The strip pourer is disposed above a cooling conveyor which feeds to a crushing device. The pourer comprises a heated tubular body provided on its under side with discharge nozzles arranged in at least one row. A filter is disposed within the tubular body across the discharge nozzles to prevent unwanted particles from reaching the nozzles.
    Type: Grant
    Filed: October 25, 1979
    Date of Patent: March 17, 1981
    Assignee: Sandvik Conveyor GmbH
    Inventors: Karl G. Boman, Konrad Schermutzki