Patents by Inventor Werner Karpus

Werner Karpus 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).

  • Process for crushing raw lignite
    Patent number: 5353997
    Abstract: The invention relates to a process for crushing raw lignite. The raw lignite is dried with an exit temperature after drying of approximately 70.degree. to 85.degree. C. The dried raw lignite is then crushed. This crushing of the dried raw lignite is performed in an air-swept roller mill, in which the crushing and cooling of the lignite particles is brought about by the inflowing cold and/or ambient air to a temperature range of below 60.degree. C.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: October 11, 1994
    Assignee: Loesche GmbH
    Inventors: Klaus Kasseck, Werner Karpus, Gerhard Salewski