Patents Assigned to Twister Tube, Ltd.
  • 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