Patents by Inventor John Edward Marshall

John Edward Marshall 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).

  • Method of burning refuse
    Patent number: 4056069
    Abstract: A method of burning refuse to obtain heat which comprises injecting refuse through the back wall of a coal-fired moving grate furnace so that the refuse is burnt either in flight or falls onto the moving bed of coal and is burned with the coal.
    Type: Grant
    Filed: March 23, 1976
    Date of Patent: November 1, 1977
    Assignee: Imperial Metal Industries (Kynoch) Limited
    Inventor: John Edward Marshall