Patents Represented by Attorney Thomas & Thomas

Find this attorney in the Justia Lawyer Directory

  • Process and appliance for conveying liquid or gaseous fluids
    Patent number: 4813851
    Abstract: Process and appliance for conveying liquid or gaseous fluids, this process involving no mechanically movable propelling elements, but rather the formation, on the fluid that is to be conveyed, of interfaces with an additional fluid, and the application of a tension gradient at these interfaces, so that the so-called Marangoni effect is utilized for propelling the conveying stream.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: March 21, 1989
    Assignee: Deutsche Forschungs- und Versuchsanstalt fur Luft- und Raumfahrt e. V.
    Inventors: Chung-Hwan Chun, Georg Koppenwallner
  • Mirror
    Patent number: D524555
    Type: Grant
    Filed: March 9, 2005
    Date of Patent: July 11, 2006
    Inventor: James Glenn Mohundro