Patents by Inventor Donald S. Redker

Donald S. Redker 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).

  • Conversion of organic waste material
    Patent number: 4098649
    Abstract: Apparatus and the method of converting organic material such as that separated from municipal and industrial waste into useful products by using a form of an extruder in a continuous destructive distillation process and in which the material being processes is compressed in the extruder in the absence of air and is heated to carefully controlled temperatures in separate zones to extract different products from each of the zones.
    Type: Grant
    Filed: February 5, 1976
    Date of Patent: July 4, 1978
    Assignee: Redker-Young Processes, Inc.
    Inventor: Donald S. Redker