Patents by Inventor Swachchha Majumdar

Swachchha Majumdar 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).

  • Biological filter for the purification of waste gases
    Patent number: 6696284
    Abstract: The present invention relates to a biological filter for the purification of waste gases comprising a bed of biologically active carrier material consisting of pith extracted from coconut husks, the bed being contained such that the waste gases are brought in contact with the said bed and removed from the bed at points spatially separated from the inlet points.
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: February 24, 2004
    Assignee: Council of Scientific and Industrial Research
    Inventors: Ajit Haridas, Swachchha Majumdar
  • Biological filter for the purification of waste gases
    Publication number: 20030082794
    Abstract: The present invention relates to a biological filter for the purification of waste gases comprising a bed of biologically active carrier material consisting of pith extracted from coconut husks, the bed being contained such that the waste gases are brought in contact with the said bed and removed from the bed at points spatially separated from the inlet points.
    Type: Application
    Filed: October 23, 2001
    Publication date: May 1, 2003
    Inventors: Ajit Haridas, Swachchha Majumdar
  • Method for purification of waste water and “RFLR” device for performing the same
    Patent number: 6544421
    Abstract: An embodiment of the present invention relates to a biological process for continues purification of waste water by converting its constituents to a solid form that can be easily separated using retainable biological catalysts and a novel reactor hereafter referred to as “Reverse Fluidized Loop Reactor” (RFLR) for performing the above said process.
    Type: Grant
    Filed: March 31, 2001
    Date of Patent: April 8, 2003
    Assignee: Council of Scientific and Industrial Research
    Inventors: Ajit Haridas, Swachchha Majumdar
  • Apparatus for purification of waste water and a “RFLR” device for performing the same
    Patent number: 6527948
    Abstract: An embodiment of the present invention relates to a biological process for continues purification of wastewater by converting its constituents to a solid form that can be easily separated using retainable biological catalysts and a novel reactor hereafter referred to as “Reverse Fluidised Loop Reactor” (RFLR) for performing the above said process.
    Type: Grant
    Filed: March 31, 2001
    Date of Patent: March 4, 2003
    Assignee: Council of Scientific and Industrial Research
    Inventors: Ajit Haridas, Swachchha Majumdar
  • Method for purification of waste water and a "RFLR" device for performing the same
    Publication number: 20020185437
    Abstract: An embodiment of the present invention relates to a biological process for continues purification of waste water by converting its constituents to a solid form that can be easily separated using retainable biological catalysts and a novel reactor hereafter referred to as “Reverse Fluidized Loop Reactor” (RFLR) for performing the above said process.
    Type: Application
    Filed: March 31, 2001
    Publication date: December 12, 2002
    Inventors: Ajit Haridas, Swachchha Majumdar
  • Apparatus for purification of waste water and a "RFLR" device for performing the same
    Publication number: 20020185418
    Abstract: An embodiment of the present invention relates to a biological process for continues purification of wastewater by converting its constituents to a solid form that can be easily separated using retainable biological catalysts and a novel reactor hereafter referred to as “Reverse Fluidised Loop Reactor” (RFLR) for performing the above said process.
    Type: Application
    Filed: March 31, 2001
    Publication date: December 12, 2002
    Inventors: Ajit Haridas, Swachchha Majumdar