Patents by Inventor Rainer Roy

Rainer Roy 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).

  • Patent number: 5378288
    Abstract: A method and a device is provided for the discharge of a foam, in particular of a high-expansion and/or medium-expansion foam useful in connection with fire-extinguishing and the like. The foam is furnished with an antifoaming agent water mixture, is suctioned in by a fan blower and is disintegrated. The resultant solution is collected via a separator in a subsequently disposed collection container, and is further transported with a pump.
    Type: Grant
    Filed: March 3, 1992
    Date of Patent: January 3, 1995
    Assignee: Total Walther Feuerschutz GmbH
    Inventor: Rainer Roy