Patents by Inventor Herbert Siddle

Herbert Siddle 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: 6399851
    Abstract: An apparatus for thermally separating mercury and organic contaminants from inert substrate materials (such as soil, sludges, sediments, drilling muds and cuttings), comprising an essentially air-tight processing chamber having a substrate inlet and a substrate outlet, said chamber having two or more troughs for processing of the substrate, a means for indirectly heating the chamber, a means for moving substrate through the two or more throughs of the chamber from the substrate inlet to the substrate outlet, and a vapour condensate handling system for removing and condensing vapours from the chamber for processing to remove and recover contaminants.
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: June 4, 2002
    Inventor: Herbert Siddle