Patents by Inventor Bruce E. Unangst

Bruce E. Unangst 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).

  • Steam treatment of municipal solid waste
    Patent number: 5556445
    Abstract: A method for treating solid municipal waste material including placing solid municipal waste in a rotating chamber having an interior at ambient pressure, heating the waste at ambient pressure, and controlling the moisture content of the waste.
    Type: Grant
    Filed: September 22, 1994
    Date of Patent: September 17, 1996
    Assignee: Mark K. Quinn
    Inventors: Mark K. Quinn, Bruce E. Unangst