Patents by Inventor Cris W. Barnes

Cris W. Barnes 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).

  • Correlated-intensity velocimeter for arbitrary reflector
    Patent number: 7450222
    Abstract: A velocimetry apparatus and method comprising splitting incoming reflected laser light and directing the laser light into first and second arms, filtering the laser light with passband filters in the first and second arms, one having a positive passband slope and the other having a negative passband slope, and detecting the filtered laser light via light intensity detectors following the passband filters in the first and second arms.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: November 11, 2008
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Zhehui Wang, Shengnian Luo, Cris W. Barnes, Stephen F. Paul
  • Plasma accelerator
    Patent number: 6486593
    Abstract: There has been invented an apparatus for acceleration of a plasma having coaxially positioned, constant diameter, cylindrical electrodes which are modified to converge (for a positive polarity inner electrode and a negatively charged outer electrode) at the plasma output end of the annulus between the electrodes to achieve improved particle flux per unit of power.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: November 26, 2002
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Zhehui Wang, Cris W. Barnes