Patents by Inventor Anjan Kumar Mukherjee

Anjan Kumar Mukherjee 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).

  • Filtration element and method of constructing a filtration assembly
    Patent number: 7387731
    Abstract: A coupler for a spiral membrane filtration element having a spiral membrane enclosed within a rigid outerwrap includes a center support, a plurality of spokes extending outwardly from the center support, a circular rim coupled with the spokes, with the face of the rim being perpendicular to the axis of the overwrap. The rim includes a channel on its face for receiving a compressible seal, and a plurality of receptacles around its outer surface for joining two face-to-face adjacent couplers when a pair of aligned keepers is place in each receptacle. Exemplary embodiments of the coupler and filtration elements and filtration assemblies are provided, as well as an associated method.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: June 17, 2008
    Assignee: Koch Membrane Systems, Inc.
    Inventors: David M. Colby, Frederick K. Lesan, Alan M. Franks, Chang-Li Hsieh, Anjan Kumar Mukherjee
  • Filtration element and method of constructing a filtration assembly
    Patent number: 7311830
    Abstract: A coupler for a spiral membrane filtration element having a spiral membrane enclosed within a rigid outerwrap includes a center support, a plurality of spokes extending outwardly from the center support, a circular rim coupled with the spokes, with the face of the rim being perpendicular to the axis of the overwrap. The rim includes a channel on its face for receiving a compressible seal, and a plurality of receptacles around its outer surface for joining two face-to-face adjacent couplers when a pair of aligned keepers is placed in each receptacle. Exemplary embodiments of the coupler and filtration elements and filtration assemblies are provided, as well as an associated method.
    Type: Grant
    Filed: April 14, 2006
    Date of Patent: December 25, 2007
    Assignee: Koch Membrane Systems, Inc.
    Inventors: David M. Colby, Frederick K. Lesan, Alan M. Franks, Chang-Li Hsieh, Anjan Kumar Mukherjee
  • Filtration element and method of constructing a filtration assembly
    Patent number: 7063789
    Abstract: A coupler for a spiral membrane filtration element having a spiral membrane enclosed within a rigid outerwrap includes a center support, a plurality of spokes extending outwardly from the center support, a circular rim coupled with the spokes, with the face of the rim being perpendicular to the axis of the overwrap. The rim includes a channel on its face for receiving a compressible seal, and a plurality of receptacles around its outer surface for joining two face-to-face adjacent couplers when a pair of aligned keepers is place in each receptacle. Exemplary embodiments of the coupler and filtration elements and filtration assemblies are provided, as well as an associated method.
    Type: Grant
    Filed: January 9, 2004
    Date of Patent: June 20, 2006
    Assignee: Koch Membrane Systems, Inc.
    Inventors: David M. Colby, Frederick K. Lesan, Alan M. Franks, Chang-Li Hsieh, Anjan Kumar Mukherjee