Patents by Inventor Jurg Ris

Jurg Ris 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).

  • Publication number: 20130195562
    Abstract: The fluid bed apparatus has a chamber (1) including a plenum (11) and a perforated base plate (3) is located above the plenum (11). An inlet (2) and an outlet (7) are provided for process gas. A discharge opening (8) has a lower edge (8a) and an upper edge (8b) and defining a height and an opening area, the base plate (3) being positioned above the lower edge (8a) of the discharge opening (8) such that the opening area of the discharge opening (8) is divided into an opening area (Aa) below the base plate (3) and an opening area (Ap) above the base plate (3).
    Type: Application
    Filed: August 30, 2010
    Publication date: August 1, 2013
    Applicant: GEA PHARMA SYSTEMS AG
    Inventors: Daniel Viarouge, Dragomir Sokcevic, Jürg Ris, Francois Bubendorf
  • Patent number: 5444892
    Abstract: The wet cleaning of filter cartridges (4) in fluidised-bed apparatuses and similar process units, without their being dismantled, is carried out by means of cleaning fluid sprayed out of nozzle orifices (10) arranged in the form of a ring, the nozzle orifices (10) being installed in the filtered exhaust-gas space (7) and the filter cartridge (4) being moved through this ring of nozzle orifices (10) by a lifting device (17). In a preceding flushing cycle, the filter cartridge (4) is filled with cleaning fluid and is then subjected to an ultrasonic transmitter (26) and with pressure pulses. The nozzle orifices (10) are designed and arranged in such a way that the issuing cleaning jets strike the filter casing (5) tangentially at an angle of inclination .alpha. and thus set the filter cartridge (4) in rotation. The best possible cleaning effect is achieved by the rotation and lift of the filter cartridge (4).
    Type: Grant
    Filed: May 25, 1993
    Date of Patent: August 29, 1995
    Assignee: Niro-Aeromatic AG
    Inventors: Jurg Ris, Hugo Eglin, Mikael Bonde, Urs Frey, Francois Bubendorf