Patents by Inventor James F. Lamb

James F. Lamb 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).

  • Radioactivity dose calibrator
    Patent number: 7608831
    Abstract: A radioactivity dose calibrator system measures the quantity of radioactive material contained in a sample-vial or syringe without removing the vial or syringe from its primary radiation shield. The system comprises a first radiation detector, a second radiation detector, a transportable, shielded radioactive material sample-holder, a signal-processing circuit and a video display.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: October 27, 2009
    Inventors: James F Lamb, Lewis Carroll
  • RADIOACTIVITY DOSE CALIBRATOR
    Publication number: 20090236536
    Abstract: A radioactivity dose calibrator system measures the quantity of radioactive material contained in a sample-vial or syringe without removing the vial or syringe from its primary radiation shield. The system comprises a first radiation detector, a second radiation detector, a transportable, shielded radioactive material sample-holder, a signal-processing circuit and a video display.
    Type: Application
    Filed: March 17, 2009
    Publication date: September 24, 2009
    Inventors: James F. Lamb, Lewis Carroll
  • Process for preparing fluorine-18
    Patent number: 3981769
    Abstract: An improved process for preparation of fluorine-18 by a neon (deuteron, alpha particle) fluorine-18 nuclear reaction in a non-reactive enclosed reaction zone wherein a ultrapure product is recovered by heating the reaction zone to a high temperature and removing the product with an inert gas.
    Type: Grant
    Filed: August 29, 1974
    Date of Patent: September 21, 1976
    Assignee: Medi-Physics, Inc.
    Inventors: Harry S. Winchell, Dale K. Wells, James F. Lamb, Samuel B. Beaudry