Patents by Inventor Rexford Heller

Rexford Heller 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 controlling the ion population in a mass spectrometer
    Publication number: 20060016976
    Abstract: A method of controlling the population of ions in a mass spectrometer in which a first sample of ions is provided in the mass spectrometer, a measure of abundance of a species of interest in the first sample of ions is determined, the measure of abundance comprising an intensity value, and a second sample of ions is introduced into the mass spectrometer. The second sample of ions is introduced in an amount determined at least in part on the measure of abundance of the species of interest in the first sample of ions.
    Type: Application
    Filed: March 9, 2005
    Publication date: January 26, 2006
    Inventors: Adrian Land, Lee Earley, Mark Hardman, Rexford Heller, Michael Senko