Patents by Inventor Thomas Hoepfl

Thomas Hoepfl 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).

  • Method and apparatus for producing samples of primarily finely granulated and dry material
    Publication number: 20020105341
    Abstract: An apparatus and a method for producing samples of a finely granular and dry material for measuring the residual carbon content thereof. The material is fed by a torque monitored conveyor screw to a measuring chamber and is progressively compacted therein. At an abrupt increase in screw torque feeding of the material ceases yielding a sample in the measuring chamber of a reproducible degree of compaction.
    Type: Application
    Filed: February 5, 2002
    Publication date: August 8, 2002
    Inventors: Hans Georg Conrads, Volkhard Klupsch, Thomas Hoepfl