Patents by Inventor Gerard C. Chingas

Gerard C. Chingas 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).

  • Method and apparatus for obtaining enhanced NMR signals
    Patent number: 4345207
    Abstract: A method and device of NMR spectroscopic analysis of liquids whereby magnzation of the spins of one nuclear species in spin-locked along a certain direction and the spin polarization of this species is transferred to a second species through the modulation of the amplitude and/or phase of rf fields applied to one or both species. The NMR signal can be detected directly from the second species.
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: August 17, 1982
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Richard D. Bertrand, Gerard C. Chingas, Allen N. Garroway, William B. Moniz