Patents by Inventor Wolfgang M. Heide

Wolfgang M. Heide 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: 4558752
    Abstract: Device for obtaining dust from minerals. The device has an excitation part for mechanical ultrasonic vibrations combined with a chisel. A suction device is provided to collect the dust produced. The device serves in particular to produce dust samples rapidly for quick analysis of minerals in prospecting, in the reconnaissance and evaluation of deposits and in the mining of minerals for the purposes of quality control, monitoring and controlling the mining process.
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: December 17, 1985
    Assignee: Luossavaara Kiirunavaara AB
    Inventors: Hans-Ulrich Freund, Wolfgang M. Heide, Rolf A. Sieglen