Patents by Inventor Reiner Melzer

Reiner Melzer 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).

  • Decontamination of polluted soils
    Patent number: 5405579
    Abstract: For the thermal treatment of contaminated soils, excavated soil is heated by indirect heat exchange up to 650.degree. C. in a rotary drum in the absence of oxygen. Pollutants are separated from the soil by a desorption medium. Moisture in the soil vaporized to steam can serve as the desorption medium. The resultant gaseous pollutant stream is condensed, and the pollutants are separated.
    Type: Grant
    Filed: July 22, 1992
    Date of Patent: April 11, 1995
    Assignee: Linde Aktiengesellschaft
    Inventors: Reiner Melzer, Klaus Mikulla