Patents by Inventor Narayan Raju

Narayan Raju 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).

  • Methods and apparatuses for water treatment
    Patent number: 10875800
    Abstract: A liquid filtration device comprises: filter modules, wherein each of the filter modules has a layer for a bio-film and a first group of particles; and a biobridge, wherein the biobridge is coupled to the filter modules, wherein an input liquid is disposed on the filter modules, and wherein for each of the filter modules the input liquid is filtered by passing through the respective layer and the respective first group of particles.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: December 29, 2020
    Inventors: Yee Chun Lee, Narayan Raju, Ah Beng Tan, Huei Meng Chang
  • Methods and Apparatuses for Water Treatment
    Publication number: 20140263000
    Abstract: A liquid filtration device comprises: filter modules, wherein each of the filter modules has a layer for a bio-film and a first group of particles; and a biobridge, wherein the biobridge is coupled to the filter modules, wherein an input liquid is disposed on the filter modules, and wherein for each of the filter modules the input liquid is filtered by passing through the respective layer and the respective first group of particles.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 18, 2014
    Inventors: Yee Chun Lee, Narayan Raju, Ah Beng Tan, Huei Meng Chang