Patents by Inventor Gilles Boursier

Gilles Boursier 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).

  • Liquid process and continuous filtering device using high power density ultrasounds
    Patent number: 7101485
    Abstract: The present invention relates to a continuous filtration device in a liquid path, characterized in that it comprises, in combination: a modular ultrasonic treatment unit (12) which is in the form of a tubular metal body (11) with a cylindrical internal surface (13) and of circular cross section, open at both its feed end (10) and its discharge end (15), the external surface of the said tubular metal body having, in the vicinity of the nodal zone, a collar (17) which is coaxial with the said tube and which projects radially, this collar being equipped at its periphery with an ultrasonic converter (19) which projects radially and whose frequency is equal to the vibration frequency of the said collar (17) and to the longitudinal vibration frequency of the said tubular metal body (11), and a filtering cylindrical element (14) having a minimum filtration area of about 50 cm2 and preferably about 80 cm2 with a mesh opening less than about 20 ?m, which is arranged inside the tubular metal body (11) and coaxially
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: September 5, 2006
    Assignee: Sodeva
    Inventors: Dominique Dubruque, Philippe Vaxelaire, Pierre Devidal, Gilles Boursier
  • Liquid process and continuous filtering device using high power density ultrasounds
    Publication number: 20040129643
    Abstract: The present invention relates to a continuous filtration device in a liquid path, characterized in that it comprises, in combination:
    Type: Application
    Filed: February 17, 2004
    Publication date: July 8, 2004
    Inventors: Dominique Dubruque, Philippe Vaxelaire, Gilles Boursier