Patents by Inventor Robert E. Colwell, Jr.

Robert E. Colwell, Jr. 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).

  • Patent number: 4632690
    Abstract: A method and apparatus for the high temperature destruction by pyrolysis and incineration of organic and inorganic gaseous, liquid, and solid toxic and hazardous compounds. The apparatus has a melting chamber and a combustion chamber wherein solid, sludge liquid and gaseous compounds are separately or simultaneously eliminated. In the melting chamber of the apparatus, a molten mass media operates at temperatures between 2200 and 2900 degrees F. Directly above the molten mass a flame impinges upon the molten surface at a temperature of 3000 degrees F. and above. Solid, liquid, and gaseous hazardous wastes are introduced into the melting chamber either on or beneath the surface of the molten mass wherein the waste is destroyed. Due to the operating sequence of the apparatus, the liquid and solid waste compounds may be in the molten mass in excess of eight hours.
    Type: Grant
    Filed: June 4, 1985
    Date of Patent: December 30, 1986
    Inventors: Robert E. Colwell, Jr., Glenn L. Shira