Patents by Inventor Donn Wittenberg

Donn Wittenberg 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).

  • Flood control system
    Patent number: 6679654
    Abstract: A flood control system including a substantially rigid exterior shell and a flexible bladder having one or more valves for introducing and removing a desired amount of fluid, the shell including opposite first and second rigid sides hingedly connected to one another to permit the shell to be positioned in a desired orientation exterior to and substantially overlying the flexible bladder.
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: January 20, 2004
    Assignee: Aqua Levee Enterprises, LLC
    Inventors: Donn Wittenberg, Charles T. Shankles, Bruce A. Knobloch
  • Flood barrier
    Patent number: 6334736
    Abstract: A barrier having a fluid-fillable body made of a non-rigid sheet material, a plurality of planar support members within the body for maintaining a desired shape of the barrier and a port for introducing fluid into the barrier.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: January 1, 2002
    Assignee: Aqua Levee, LLC
    Inventors: Harold Wayne Johnson, Donn Wittenberg, Charles T. Shankles