Patents by Inventor Michael W. McElfresh

Michael W. McElfresh 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).

  • Embedded-monolith armor
    Patent number: 9395159
    Abstract: A lightweight armor system utilizing a face section having a multiplicity of monoliths embedded in a matrix supported on low density foam. The face section is supported with a strong stiff backing plate. The backing plate is mounted on a spall plate.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: July 19, 2016
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Michael W. McElfresh, Scott E. Groves, Mitchell L. Moffet, Louis P. Martin
  • Embedded-Monolith Armor
    Publication number: 20130228067
    Abstract: A lightweight armor system utilizing a face section having a multiplicity of monoliths embedded in a matrix supported on low density foam. The face section is supported with a strong stiff backing plate. The backing plate is mounted on a spall plate.
    Type: Application
    Filed: March 1, 2012
    Publication date: September 5, 2013
    Inventors: Michael W. McElfresh, Scott E. Groves, Mtichell L. Moffet, Louis P. Martin
  • Magnetic membrane system
    Publication number: 20040265150
    Abstract: The present invention provides a membrane with magnetic particles. In one embodiment the membrane is created by mixing particles in a non-magnetic base. The membrane may act as an actuator, a sensor, a pump, a valve, or other device. A magnet is operatively connected to the membrane. The magnet acts on and changes the shape of the membrane.
    Type: Application
    Filed: May 28, 2004
    Publication date: December 30, 2004
    Applicant: The Regents of the University of California
    Inventors: Michael W. McElfresh, Matthew S. Lucas
  • Amorphous uranium alloy and use thereof
    Patent number: 5534360
    Abstract: An amorphous alloy containing uranium and a member selected from the group of N, P, As, Sb, Bi, S, Se, Te, Po and mixtures thereof; and use thereof for storage medium, light modulator or optical isolator.
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: July 9, 1996
    Assignee: International Business Machines Corporation
    Inventors: Richard J. Gambino, Michael W. McElfresh, Thomas R. McGuire, Thomas S. Plaskett