Patents by Inventor Goda Rangamannar

Goda Rangamannar 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).

  • Multiple filter dynamic washer
    Patent number: 5538632
    Abstract: A pressurized dynamic pulp washer including an annular hollow housing in which the stock is driven axially along a plurality of stationary, annular, coaxial wash filters in axially reversible directions, with an annular rotatable shell between the wash filters to urge liquid through openings in the filters, to generate axial, radial and circumferential velocities in the slurry to create localized pulses in the slurry to urge liquid through the filters with wash liquid being introduced to replace liquid filtered from the fibers in the slurry.
    Type: Grant
    Filed: October 28, 1993
    Date of Patent: July 23, 1996
    Assignee: Beloit Technologies, Inc.
    Inventors: William A. Gero, Goda Rangamannar, Luigi Silveri
  • Pressurized dynamic washer
    Patent number: 5255540
    Abstract: A pressurized dynamic pulp washer in which stock is driven along a stationary wash wire and pulses are generated in the stock to urge liquid through openings in the wash wire. Wash liquid is introduced countercurrent to the flow of stock, and localized mixing and reslurrying occurs.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: October 26, 1993
    Assignee: Beloit Technologies, Inc.
    Inventors: Peter LeBlanc, Goda Rangamannar