Patents by Inventor Robert H. Birdsey

Robert H. Birdsey 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).

  • Activator for initiating crystallization of a supersaturated solution
    Patent number: 5736110
    Abstract: An improved activator and method is disclosed for initiating crystallization of a supersaturated solution within a flexible container. The activator comprises a flexible screen for immersing in the supersaturated solution within the flexible container. The flexible screen defines a plurality of apertures therein with an activation material being affixed to the screen within the plurality of apertures. Upon flexing of the flexible screen by an operator, the activation material interacts with the screen to initiate crystallization of the supersaturated solution.
    Type: Grant
    Filed: May 10, 1996
    Date of Patent: April 7, 1998
    Inventors: Stephen P. Angelillo, Robert H. Birdsey