Patents by Inventor Lloyd Long

Lloyd Long 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).

  • Vent block for flame spray coating system
    Patent number: 5520736
    Abstract: A vent block for use in controlling powder surging in a flame spray coating system having a flame spray gun with an eductor disposed inside the gun, the vent block being disposed between the powder source and the gun, the vent block having intersecting powder and vent air flow paths communicating with an outlet flow path, the cross-sectional areas of the powder and vent air flow paths being substantially equal to each other, and the combined cross-sectional areas of the powder and vent air flow paths being about one half the cross-sectional area of the outlet flow path.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: May 28, 1996
    Assignee: Plastic Flamecoat Systems, Inc.
    Inventors: Lloyd Long, Mark Dobek