Patents by Inventor Robert P. Piontek

Robert P. Piontek 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).

  • Device and method for generating vortex
    Patent number: 7905728
    Abstract: A device and method for generating a visible vortex for display or educational purposes. A container houses a two-phase fluidic system of a primary fluid, such as water, and a secondary fluid such as silicone fluid carrying a powder which has no affinity for the primary fluid. The two-phase fluidic system may be stirred using a stir bar or pump to generate the vortex.
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: March 15, 2011
    Assignee: Twister Tube, Ltd.
    Inventor: Robert P. Piontek