Patents by Inventor Guenter Loesche

Guenter Loesche 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 or treatment and purification of refuse, or of refuse/sludge mixtures by means of composting
    Patent number: 4146381
    Abstract: This relates to the treatment and purification of refuse by composting in the form of thermal retting. Conventional refuse is treated by the addition of moisture, preferably in the form of sludge, after which it is crushed in a mill and is screened in tube screens with large particles being removed and discarded, intermediate particles being returned to the crushing mill, and small particles being delivered for composting. Metals, particularly ferrous metals, are removed from each of the three classes of screened material and are salvaged.
    Type: Grant
    Filed: July 29, 1977
    Date of Patent: March 27, 1979
    Assignee: Hannes Willisch
    Inventors: Hannes Willisch, Guenter Loesche