Patents by Inventor Fach Horst

Fach Horst 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 and apparatus for the thermal treatment of coal
    Patent number: 4280033
    Abstract: Coal, particularly ground coal, is thermally treated at a treatment zone by exposing the coal to microwave radiation, preferably at a frequency of from 20 to 3,000 MHz. The treatment zone may be a system for forming the coal into pellets or briquettes. The treatment zone may also be an area between a coal supply bin and a furnace or oven for utilization of the coal, whereby the coal is dried and/or preheated before use in the furnace or oven.
    Type: Grant
    Filed: March 22, 1979
    Date of Patent: July 21, 1981
    Assignee: Didier Engineering GmbH
    Inventors: Dietrich Wagener, Fach Horst, Hayri Ergun