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Class Information
Number: 250/292
Name: Radiant energy > Ionic separation or analysis > Cyclically varying ion selecting field means > Laterally resonant ion path
Description: Subject matter wherein the selecting means comprises field means causing alternating deflection of the ions normal to their general forward motion.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7351960 Enhanced ion desolvation for an ion mobility spectrometry device Apr. 1, 2008
7351962 Electrode for mass spectrometry Apr. 1, 2008
7351963 Multiple rod systems produced by wire erosion Apr. 1, 2008
7351965 Rotating excitation field in linear ion processing apparatus Apr. 1, 2008
7351964 Ion funnel with extended mass range and reduced conductance limit aperture Apr. 1, 2008
7348554 Mass spectrometer Mar. 25, 2008
7339164 Systems and methods for ion mobility control Mar. 4, 2008
7335878 Method and apparatus for efficient photodetachment and purification of negative ion beams Feb. 26, 2008
7335877 Inline automated chemical analysis signal optimization Feb. 26, 2008
7329864 Mass spectrometry with multiple ionization sources and multiple mass analyzers Feb. 12, 2008
7329879 Apparatus for manipulation of ions and methods of making apparatus Feb. 12, 2008
7329866 Two-dimensional ion trap mass spectrometry Feb. 12, 2008
7323682 Pulsed ion source for quadrupole mass spectrometer and method Jan. 29, 2008
7323683 Linear ion trap for mass spectrometry Jan. 29, 2008
7319222 Mass spectrometer and mass analysis method Jan. 15, 2008
7317186 Short torch design for direct liquid sample introduction using conventional and micro-nebulizers for plasma spectrometry Jan. 8, 2008
7312442 Enhanced gradient multipole collision cell for higher duty cycle Dec. 25, 2007
7312444 Atmosperic pressure quadrupole analyzer Dec. 25, 2007
7309861 Mass spectrometer Dec. 18, 2007
7294832 Mass separators Nov. 13, 2007
7288761 System and method for trapping ions Oct. 30, 2007
7285774 FAIMS apparatus and method for separating ions in the gas phase Oct. 23, 2007
7285773 Quadrupole ion trap device and methods of operating a quadrupole ion trap device Oct. 23, 2007
7282708 Method of selecting ions in an ion storage device Oct. 16, 2007
7279681 Ion trap with built-in field-modifying electrodes and method of operation Oct. 9, 2007
7276688 Ion-optical phase volume compression Oct. 2, 2007
7276689 Apparatus for trapping uncharged multi-pole particles Oct. 2, 2007
7268347 Ion detecting apparatus and methods Sep. 11, 2007
7265344 Mass spectrometry method and apparatus Sep. 4, 2007
7265345 Ion-mobility spectrometer and ion-mobility analysis method Sep. 4, 2007
7265347 Multiple nano-spray delivery system for FAIMS Sep. 4, 2007
7259368 Apparatus for delivering ions from a grounded electrospray assembly to a vacuum chamber Aug. 21, 2007
7259379 On-axis electron impact ion source Aug. 21, 2007
7256397 Mass analyzer and mass analyzing method Aug. 14, 2007
7250600 Mass spectrometer with an ion trap Jul. 31, 2007
7244931 Ion mobility spectrometer with parallel running drift gas and ion carrier gas flows Jul. 17, 2007
7232993 Ion fragmentation parameter selection systems and methods Jun. 19, 2007
7230237 Mass spectrometer Jun. 12, 2007
7227137 Fragmentation of ions by resonant excitation in a high order multipole field, low pressure ion trap Jun. 5, 2007
7227138 Virtual ion trap Jun. 5, 2007
7227133 Methods and apparatus for electron or positron capture dissociation Jun. 5, 2007
7223969 Ion mobility TOF/MALDI/MS using drift cell alternating high and low electrical field regions May. 29, 2007
7223971 Method and apparatus for selecting inlets of a multiple inlet FAIMS May. 29, 2007
7217922 Planar micro-miniature ion trap devices May. 15, 2007
7211788 Mass spectrometer and mass filters therefor May. 1, 2007
7211794 Mass spectrometer May. 1, 2007
7208726 Ion trap mass spectrometer with scanning delay ion extraction Apr. 24, 2007
7205537 Ion guides with movable RF multiple segments Apr. 17, 2007
7205538 Mass spectrometer Apr. 17, 2007
7196323 Mass spectrometry method for analyzing mixtures of substances Mar. 27, 2007

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