1
Fufang Zha, Clinton V Kopp, Robert J McMahon, Warren T Johnson, Thomas W Beck: Gas-scrubbed hollow fiber membrane module. USF Filtration & Separations Group, Knobbe Martens Olson and Bear, December 5, 2000: US06156200 (110 worldwide citation)

A method and apparatus for removing fouling materials from the surface of a plurality of porous membranes (9) arranged in a membrane module (4) by providing, from within the module, by means (10) other than gas passing through the pores of said membranes, gas bubbles in a uniform distribution relati ...


2
Fufang Zha, Clinton V Kopp, Robert J McMahon, Warren T Johnson, Thomas W Beck: Scouring method. USF Filtration & Separations Group, Knobbe Martens Olson & Bear, April 29, 2003: US06555005 (87 worldwide citation)

A method and apparatus for removing fouling materials from the surface of a plurality of porous membranes (


3
Fufang Zha, Edward John Jordan: Apparatus and method for cleaning membrane filtration modules. U S Filter Wastewater Group, Knobbe Martens Olson & Bear, February 25, 2003: US06524481 (82 worldwide citation)

A method and apparatus for cleaning a membrane module, the membrane module having a plurality of porous membranes, the membranes being arranged in close proximity to one another and mounted to prevent excessive movement therebetween and means for providing, from within the module, by means other tha ...


4
Fufang Zha, Edward John Jordan: Apparatus and method for cleaning membrane filtration modules. U S Filter Wastewater Group, Knobbe Martens Olson & Bear, November 4, 2003: US06641733 (72 worldwide citation)

A method and apparatus for cleaning a membrane module, the membrane module having a plurality of porous membranes, the membranes being arranged in close proximity to one another and mounted to prevent excessive movement therebetween and means for providing, from within the module, by means other tha ...


5
Fufang Zha, David John Cox: Hollow fibre restraining system. U S Filter Wastewater Group, Knobbe Martens Olson & Bear, August 31, 2004: US06783008 (61 worldwide citation)

A restraining system for hollow fibres is provided. The restraining system includes a plurality of longitudinally extending elements spaced from one another and supported by a number of discrete spacer elements, each spacer element extending generally transverse of said longitudinal elements, such t ...


6
Fufang Zha, Edward John Jordan: Apparatus and method for cleaning membrane filtration modules. U S Filter Wastewater Group, Knobbe Martens Olson & Bear, November 23, 2004: US06821420 (57 worldwide citation)

A method and apparatus for cleaning a membrane module, the membrane module having a plurality of porous membranes, the membranes being arranged in close proximity to one another and mounted to prevent excessive movement therebetween and means for providing, from within the module, by means other tha ...


7
David John Cox, Georg Schnieder, Fufang Zha, Joachim Muller, Cinzia Lea: Potting method. U S Filter Wastewater Group, Pall Seitzschenk Filtersystems, December 13, 2005: US06974554 (56 worldwide citation)

A method of forming a pot for an array of hollow fiber membranes (7) is provided, including the steps of placing the ends (6) of the fiber membranes (7) in a mould (5); forming a first layer (20) of curable resin material in a non-cured state around the fiber membrane ends (6), applying a second lay ...


8
Fufang Zha, Clinton V Kopp, Robert J McMahon, Warren T Johnson, Thomas W Beck: Scouring method. U S Filter Wastewater Group, Knobbe Martens Olson & Bear, November 29, 2005: US06969465 (55 worldwide citation)

A method and apparatus for removing fouling materials from the surface of a plurality of porous membranes (9) arranged in a membrane module (4) by providing, from within the module, by means (10) other than gas passing through the pores of said membranes, gas bubbles in a uniform distribution relati ...


9
Fufang Zha, Edward John Jordan: Apparatus and method for cleaning membrane filtration modules. U S Filter Wastewater Group, Knobbe Martens Olson & Bear, January 11, 2005: US06841070 (55 worldwide citation)

A method and apparatus for cleaning a membrane module, the membrane module having a plurality of porous membranes, the membranes being arranged in close proximity to one another and mounted to prevent excessive movement therebetween and means for providing, from within the module, by means other tha ...


10
Fufang Zha, David John Cox: Hollow fibre restraining system. U S Filter Wastewater Group, May 29, 2007: US07223340 (49 worldwide citation)

A restraining system for hollow fibers is provided. The restraining system includes a plurality of longitudinally extending elements spaced from one another and supported by a number of discrete spacer elements, each spacer element extending generally transverse of said longitudinal elements, such t ...



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