Patents by Inventor Etienne Ulysse Brois

Etienne Ulysse Brois 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).

  • Continuously variable aeration
    Patent number: 8377305
    Abstract: A method of controlling fouling in a membrane filtration system (5) of the type where gas is used to clean or scour the membranes (6) wherein the method includes supplying the gas to the system with a continuously variable flow rate. A continuously variable valve arrangement (17) is also disclosed.
    Type: Grant
    Filed: September 15, 2005
    Date of Patent: February 19, 2013
    Assignee: Siemens Industry, Inc.
    Inventors: Fufang Zha, Warren Thomas Johnson, Thomas William Beck, Roger William Phelps, Etienne Ulysse Brois
  • Mixing chamber
    Patent number: 8372282
    Abstract: A membrane module (5) including a plurality of porous membranes (6) extending in an array and mounted, at least at one end, in a header (8). The header (8) has a number of distribution apertures (11) for distributing a fluid into the module (5) and along a surface or surfaces of the membranes (6). An elongate chamber (10) having one open end (13) and another end is in fluid communication with the distribution apertures (11) for distributing the fluid to the distribution apertures (11).
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: February 12, 2013
    Assignee: Siemens Industry, Inc.
    Inventors: Fufang Zha, Roger William Phelps, Etienne Ulysse Brois
  • Continuously Variable Aeration
    Publication number: 20080156745
    Abstract: A method of controlling fouling in a membrane filtration system (5) of the type where gas is used to clean or scour the membranes (6) wherein the method includes supplying the gas to the system with a continuously variable flow rate. A continuously variable valve arrangement (17) is also disclosed.
    Type: Application
    Filed: September 15, 2005
    Publication date: July 3, 2008
    Applicant: U.S. FILTER WASTEWATER GROUP, INC.
    Inventors: Fufang Zha, Warren Thomas Johnson, Thomas William Beck, Roger William Phelps, Etienne Ulysse Brois