Patents by Inventor John W. Makin

John W. Makin 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).

  • Rotary air separator
    Patent number: 4824559
    Abstract: A rotary air separator having a manifold with a side opening and an end opening. A cylindrical screen rotates around the manifold over the side opening and the end opening is connected to a vacuum source. Vanes in the manifold segregate the side opening into discrete areas. The vanes define independent throats for directing air in a curved transitional path from the side opening areas to the end opening. A collar surrounding the side opening defines a curved inlet to the side opening and provides an effective air barrier to inhibit air flow from around the manifold.
    Type: Grant
    Filed: May 27, 1987
    Date of Patent: April 25, 1989
    Inventors: Larry J. Gilmore, John W. Makin