Patents by Inventor Leonard Booker

Leonard Booker 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).

  • Coal burning system
    Patent number: 3934522
    Abstract: A system for burning fuel particles in which the particles are suspended in a stream of air and projected into the firebox of a heat exchanger. In order to spread the fuel-air mixture, air is directed transversely, and preferably outwardly of the flowing mixture. The fuel is preferably powdered coal.
    Type: Grant
    Filed: November 1, 1974
    Date of Patent: January 27, 1976
    Assignee: The Detroit Edison Company
    Inventor: Leonard Booker