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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
6815673 Use of notched broadband waveforms in a linear ion trap Nov. 9, 2004
6809318 Method of transmitting ions for mass spectroscopy Oct. 26, 2004
6803565 Ionization source utilizing a multi-capillary inlet and method of operation Oct. 12, 2004
6803569 Method and device for irradiating ions in an ion cyclotron resonance trap with photons and electrons Oct. 12, 2004
6800851 Electron-ion fragmentation reactions in multipolar radiofrequency fields Oct. 5, 2004
6800846 Mass spectrometer Oct. 5, 2004
6797950 Two-dimensional quadrupole ion trap operated as a mass spectrometer Sep. 28, 2004
6797949 Mass spectrometer Sep. 28, 2004
6797948 Multipole ion guide Sep. 28, 2004
6794641 Mass spectrometer Sep. 21, 2004
6794640 Mass spectrometer Sep. 21, 2004
6794642 Mass spectrometer Sep. 21, 2004
6787767 Mass analyzing method using an ion trap type mass spectrometer Sep. 7, 2004
6787760 Method for increasing the dynamic range of mass spectrometers Sep. 7, 2004
6784421 Method and apparatus for fourier transform mass spectrometry (FTMS) in a linear multipole ion trap Aug. 31, 2004
6784424 Apparatus and method for focusing and selecting ions and charged particles at or near atmospheric pressure Aug. 31, 2004
6781119 Ion storage system Aug. 24, 2004
6777671 Time-of-flight/ion trap mass spectrometer, a method, and a computer program product to use the same Aug. 17, 2004
6770872 Mass spectrometer Aug. 3, 2004
6765200 Mass spectrometry and mass spetrometer using the same Jul. 20, 2004
6762561 Radio frequency resonator Jul. 13, 2004
6762406 Ion trap array mass spectrometer Jul. 13, 2004
6759652 Ion trap mass analyzing apparatus Jul. 6, 2004
6759651 Ion guides for mass spectrometry Jul. 6, 2004
6753523 Mass spectrometry with multipole ion guides Jun. 22, 2004
6753522 FAIMS apparatus having plural ion inlets and method therefore Jun. 22, 2004
6744043 Ion mobilty spectrometer incorporating an ion guide in combination with an MS device Jun. 1, 2004
6744045 Portable underwater mass spectrometer Jun. 1, 2004
6745134 Mass spectrometric data analyzing method, mass spectrometric data analyzing apparatus, mass spectrometric data analyzing program, and solution offering system Jun. 1, 2004
6744042 Ion trapping Jun. 1, 2004
6737644 Quadrupole mass spectrometer May. 18, 2004
6737640 Electrospray ionization mass analysis apparatus and method thereof May. 18, 2004
6730903 Ion trap device May. 4, 2004
6730904 Asymmetric-field ion guiding devices May. 4, 2004
6727495 Ion mobility spectrometer with high ion transmission efficiency Apr. 27, 2004
6727498 Portable underwater mass spectrometer Apr. 27, 2004
6723986 Apparatus for manipulation of ions and methods of making apparatus Apr. 20, 2004
6720554 Triple quadrupole mass spectrometer with capability to perform multiple mass analysis steps Apr. 13, 2004
6717139 Ion lens for a mass spectrometer Apr. 6, 2004
6717138 Mask plate with lobed aperture Apr. 6, 2004
6717132 Gridless time-of-flight mass spectrometer for orthogonal ion injection Apr. 6, 2004
6717137 Systems and methods for inducing infrared multiphoton dissociation with a hollow fiber waveguide Apr. 6, 2004
6713757 Controlling the temporal response of mass spectrometers for mass spectrometry Mar. 30, 2004
6710334 Quadrupol ion trap mass spectrometer with cryogenic particle detector Mar. 23, 2004
6710336 Ion trap mass spectrometer using pre-calculated waveforms for ion isolation and collision induced dissociation Mar. 23, 2004
6707032 Plasma mass spectrometer Mar. 16, 2004
6703607 Axial ejection resolution in multipole mass spectrometers Mar. 9, 2004
6703609 Tandem FAIMS/ion-trapping apparatus and method Mar. 9, 2004
6700116 Ion trap mass spectrometer Mar. 2, 2004
6700120 Method for improving signal-to-noise ratios for atmospheric pressure ionization mass spectrometry Mar. 2, 2004

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