Patents by Inventor George M. Dougherty

George M. Dougherty 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).

  • Systems and methods for separating particles and/or substances from a sample fluid
    Patent number: 9480935
    Abstract: Systems and methods for separating particles and/or toxins from a sample fluid. A method according to one embodiment comprises simultaneously passing a sample fluid and a buffer fluid through a chamber such that a fluidic interface is formed between the sample fluid and the buffer fluid as the fluids pass through the chamber, the sample fluid having particles of interest therein; applying a force to the fluids for urging the particles of interest to pass through the interface into the buffer fluid; and substantially separating the buffer fluid from the sample fluid.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: November 1, 2016
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Raymond P. Mariella, Jr., George M. Dougherty, John M. Dzenitis, Robin R. Miles, David S. Clague
  • Systems and Methods for Separating Particles and/or Substances from a Sample Fluid
    Publication number: 20090194420
    Abstract: Systems and methods for separating particles and/or toxins from a sample fluid. A method according to one embodiment comprises simultaneously passing a sample fluid and a buffer fluid through a chamber such that a fluidic interface is formed between the sample fluid and the buffer fluid as the fluids pass through the chambers the sample fluid having particles of interest therein; applying a force to the fluids for urging the particles of interest to pass through the interface into the buffer fluid; and substantially separating the buffer fluid from the sample fluid.
    Type: Application
    Filed: February 1, 2008
    Publication date: August 6, 2009
    Inventors: Raymond P. Mariella, JR., George M. Dougherty, John M. Dzenitis, Robin R. Miles, David S. Clague
  • Thin film membrane structure
    Publication number: 20040212028
    Abstract: A membrane structure comprising a silicon film having a grain structure including grains defining pores therebetween.
    Type: Application
    Filed: May 24, 2004
    Publication date: October 28, 2004
    Inventor: George M. Dougherty
  • Method for producing a porous silicon film
    Patent number: 6780786
    Abstract: A membrane structure comprising a silicon film having a grain structure including grains defining pores therebetween.
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: August 24, 2004
    Assignee: The Regents of the University of California
    Inventor: George M. Dougherty
  • Thin film membrane structure
    Publication number: 20030100136
    Abstract: A membrane structure comprising a silicon film having a grain structure including grains defining pores therebetween.
    Type: Application
    Filed: November 26, 2001
    Publication date: May 29, 2003
    Inventor: George M. Dougherty