Patents by Inventor Curtiss F. Wykoff

Curtiss F. Wykoff 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).

  • Pneumatic conveying line component
    Patent number: 7547046
    Abstract: A component of a transport line for pneumatically conveying bulk materials generally including a first conduit having an open end, a second conduit connected to the first conduit at an angle relative thereto having the interior thereof communicating with the interior of the first conduit to provide a material flow passageway therethrough and a cap member detachably mounted on the first conduit, closing the open end thereof.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: June 16, 2009
    Assignee: The Young Industries, Inc.
    Inventor: Curtiss F. Wykoff
  • Rotary valve with improved sealing means
    Patent number: 6062439
    Abstract: A rotary valve with a rotor shroud and a cylinder wall. The rotary valve is sealed by injecting a fluid to compress a packing seal into sealing engagement with the rotor shroud and the cylinder wall.
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: May 16, 2000
    Assignee: Young Industries
    Inventors: Richard W Ambs, Anthony Boroch, Galen S Ingram, Curtiss F Wykoff