Patents by Inventor D. Kermit Smith

D. Kermit Smith 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).

  • Process and apparatus for dislodging and conveying material from a surface with a positive pressure fluid stream
    Patent number: 4018483
    Abstract: Disclosed is a process and apparatus for dislodging and conveying material from a surface and into a discharge duct with a positive pressure, high velocity stream of fluid from a jet device wherein the fluid stream is controlled by using wall attachment means comprising an unenclosed coanda surface located adjacent to the jet device and disposed on a side of the stream opposite to that of the material to be conveyed, whereby the stream attaches to the coanda surface and the stream and entrained material is directed along the coanda surface and into a discharge duct and then directed into a collection device.
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: April 19, 1977
    Inventor: D. Kermit Smith