Patents by Inventor Ehud Roffman

Ehud Roffman 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).

  • Water conversion device
    Patent number: 7311829
    Abstract: A water treatment device and method for treating a quantity of water is powered by gravitational flow. The device includes an upper collecting chamber (14) and a filtration chamber (18). The filtration chamber includes a set of reactance containg at least three components wherein one of the components is a polycation and another one of the components is a polyanion. The method includes subjecting the water to gravitational flow through the filtration chamber (18).
    Type: Grant
    Filed: February 11, 2004
    Date of Patent: December 25, 2007
    Assignee: H2Q Water Industries, Ltd.
    Inventors: Ehud Roffman, Haim Wilder, Baruch Berliner
  • Water conversion device and method
    Publication number: 20060096925
    Abstract: A water treatment device and method for treating a quantity of water is powered by gravitational flow. The device includes an upper collecting chamber (14) and a filtration chamber (18). The filtration chamber includes a set of reactance containing at least three components wherein one of the components is a polycation and another one of the components is a polyanion. The method includes subjecting the water to gravitational flow through the filtration chamber (18).
    Type: Application
    Filed: February 11, 2004
    Publication date: May 11, 2006
    Inventors: Ehud Roffman, Haim Wilder, Baruch Berliner