Patents by Inventor Ken Dupal

Ken Dupal 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).

  • Methods and systems for reducing drag and vortex-induced vibrations on cylindrical structures
    Publication number: 20020146287
    Abstract: Apparatus are disclosed for controlling drag and vortex-induced vibration exerted onto a substantially cylindrical element of a fixed position subjected to a fluid flowing environment. Apparatus of the invention comprise a sleeve comprising an ultra-smooth surface. Methods for installing such apparatus onto cylindrical elements, and systems for controlling drag and vortex-induced vibrations in which a substantially cylindrical marine element has an ultra-smooth effective surface are also disclosed.
    Type: Application
    Filed: April 29, 2001
    Publication date: October 10, 2002
    Inventors: Donald Wayne Allen, Dean Leroy Henning, Richard Bruce McDaniel, David Wayne McMillan, Ken Dupal