Patents by Inventor Dhananjay Kumar Singh

Dhananjay Kumar Singh 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).

  • Publication number: 20240082775
    Abstract: A media pack includes a filtration sheet and a support sheet engaged with the filtration sheet. The support sheet includes a first perforated sheet and a first media sheet, the first perforated sheet and the first media sheet being corrugated. The filtration sheet and the support sheet are wound together in a substantially spiral shape. The filtration sheet and the support sheet together form a plurality of channels that are alternatively sealed on opposing ends of the media pack.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Applicant: Cummins Filtration Inc.
    Inventors: Dhananjay Kumar Singh, Shantanu Sanjay Ghatnekar, Balasaheb Mahadev Bhittam
  • Patent number: 11092532
    Abstract: The present invention includes method and device for label-free holographic screening and enumeration of tumor cells in bulk flow comprising: a laser source, a micro-objective, a pinhole device and a collimating lens, a mirror, a sample chamber with a sample flow inlet on a first side of the sample chamber and a sample flow outlet connected by a microchannel, and a detector, wherein the collimated laser beam passes through microchannel and interacts with cells in the sample to generate a respective hologram at the detector, wherein a processor calculates a numerical reconstruction from the respective hologram and generates a focused image of the numerous cells using the numerical reconstruction, wherein the numerous cells are enumerated by looking at a size, a maximum intensity and a mean intensity of the focused image.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: August 17, 2021
    Assignee: Texas Tech University System
    Inventors: Dhananjay Kumar Singh, Caroline C. Ahrens, Wei Li, Siva A. Vanapalli
  • Publication number: 20200116617
    Abstract: The present invention includes method and device for label-free holographic screening and enumeration of tumor cells in blood for use in connection with cancer treatments and monitoring.
    Type: Application
    Filed: June 22, 2018
    Publication date: April 16, 2020
    Inventors: Dhananjay Kumar Singh, Caroline C. Ahrens, Wei Li, Siva A. Vanapalli