Patents by Inventor Harold E. Foy

Harold E. Foy 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).

  • Afterburner assembly
    Patent number: 4145979
    Abstract: A burner assembly for combusting pyrolysis gases includes a chamber, a first cone-shaped conduit connected at its larger end to the chamber and a second conduit mounted to extend through the smaller end of the first conduit to have an open end positioned in the interior of the first conduit. Further, a conical baffle is mounted within the first conduit to have its apex adjacent the open end of the second conduit and a duct means is mounted to the first conduit for admitting air into the first conduit.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: March 27, 1979
    Assignee: Envirotech Corporation
    Inventors: Frank Lilley, Harold E. Foy