Patents by Inventor Helmuth Y. Rechmeier

Helmuth Y. Rechmeier 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 the heat treatment of material in dust form
    Patent number: 3973980
    Abstract: A process for the heat treatment of material in dust form in a rotary kiln installation having a condenser connected on the output side of the rotary kiln. One or more heat exchangers are connected on the input side of the kiln.
    Type: Grant
    Filed: December 18, 1973
    Date of Patent: August 10, 1976
    Assignee: Rudolf Rohrbach
    Inventors: Rudolf Rohrbach, Gerhard Rohrbach, Helmuth Y. Rechmeier