Patents by Inventor Gerard Rondeau

Gerard Rondeau 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).

  • Apparatus for the thickening by floatation of slurries produced during the treatment of waters
    Patent number: 4994182
    Abstract: An apparatus for thickening by flotation suspensions contained in a liquid, notably slurries produced during treatment of residual water, formed of a circular basin having a scraping system, the scraping members of which are supported by arms connected to a central device driving them in rotation, or a similar apparatus, and having a flexible cover rotating with the scraping system arms wherein the arms provide the supports for the cover.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: February 19, 1991
    Assignee: Degremont
    Inventors: Jean-Jacques Noiron, Gerard Rondeau