Patents by Inventor W. Bruce Feller

W. Bruce Feller 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).

  • Mass spectrometry detector
    Patent number: 6614019
    Abstract: Detection systems for mass spectrometry involving a combination of novel detector face coatings, repeller grid position and voltage, and in some embodiments employing tandem detectors, an interplate voltage. The mass spectra show improved sensitivities to high mass ions.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: September 2, 2003
    Inventors: W. Bruce Feller, James A. Hill, Paul L. White, James M. Abraham
  • Mass spectrometry detector
    Publication number: 20020020817
    Abstract: Detection systems for mass spectrometry involving a combination of novel detector face coatings, repeller grid position and voltage, and in some embodiments employing tandem detectors, an interplate voltage. The mass spectra show improved sensitivities to high mass ions.
    Type: Application
    Filed: January 22, 2001
    Publication date: February 21, 2002
    Inventors: W. Bruce Feller, James A. Hill, Paul L. White, James M. Abraham
  • Channel electron multipliers
    Patent number: 4983551
    Abstract: Glass consisting essentially of, in weight percent:______________________________________ SiO.sub.2 30-35% PbO 50-57% Cs.sub.2 O 2-10% .SIGMA.MgO + CaO + SrO + BaO 0-5% .SIGMA.Al.sub.2 O.sub.3 + ZrO.sub.2 + TiO.sub.2 + Nb.sub.2 O.sub.5 0.1-1%, ______________________________________wherein the ratio of Si or Pb, expressed as the molar ratio of SiO.sub.2 to PbO, is 2.0-2.4, and channel electron multipliers made therefrom.
    Type: Grant
    Filed: August 18, 1988
    Date of Patent: January 8, 1991
    Assignee: Galileo Electro-Optics Corp.
    Inventors: W. Bruce Feller, Lee M. Cook