Patents by Inventor Siddhartha Sarkar

Siddhartha Sarkar 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).

  • Flowcell fractionator
    Patent number: 4397954
    Abstract: Enriched quantities of male and female sperm are obtained in physically separate fractions utilizing the hydrodynamic behavior of sperm in laminar flow. A flowcell fractionator is provided for performing the method, and includes a specially constructed pipette, valve and infusion pump combination.
    Type: Grant
    Filed: November 19, 1981
    Date of Patent: August 9, 1983
    Assignee: The Regents of the University of California
    Inventor: Siddhartha Sarkar
  • Method for fractionating cells
    Patent number: 4326026
    Abstract: Enriched quantities of male and female sperm are obtained in physically separate fractions utilizing the hydrodynamic behavior of sperm in laminar flow. A flowcell fractionator is provided for performing the method, and includes a specially constructed pipette, valve and infusion pump combination.
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: April 20, 1982
    Assignee: The Regents of the University of California
    Inventor: Siddhartha Sarkar