Patents by Inventor Dennis W. Sullivan, III

Dennis W. Sullivan, III 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).

  • Sewage treatment method and apparatus
    Patent number: 4592291
    Abstract: Method and apparatus for treating sewage to reduce total solids content. Involves separating sewage sludge from sewage liquid, dewatering and compressing the sludge, subjecting the sludge to microwave radiation to reduce sludge to ash-like residue, and adding the residue back to the sewage liquid. Optionally, to sterilize the sludge liquid with chemicals or ultraviolet light.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: June 3, 1986
    Assignee: Red Fox Industries, Inc.
    Inventor: Dennis W. Sullivan, III