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Class Information
Number: 250/282
Name: Radiant energy > Ionic separation or analysis > Methods
Description: Subject matter comprising processes including the steps of selecting ions of one mass-to-charge ratio from ions of different mass-to-charge ratios and detecting or accumulating the selected ions.


Sub-classes under this class:

Class Number Class Name Patents
250/283 With collection of ions 338


Patents under this class:

Patent Number Title Of Patent Date Issued
7462819 Statistical methods applied to surface chemistry in minerals flotation Dec. 9, 2008
7462818 Determination of chemical empirical formulas of unknown compounds using accurate ion mass measurement of all isotopes Dec. 9, 2008
7462817 Mass spectrometer and method of analyzing isomers Dec. 9, 2008
7459693 Ion guide for mass spectrometers Dec. 2, 2008
7459677 Mass spectrometer for trace gas leak detection with suppression of undesired ions Dec. 2, 2008
7459676 MALDI/LDI source Dec. 2, 2008
7456398 Efficient detection for ion traps Nov. 25, 2008
7456396 Isolating ions in quadrupole ion traps for mass spectrometry Nov. 25, 2008
7456395 Glow discharge source Nov. 25, 2008
7456394 Compact sample analysis systems and related methods of using combined chromatography and mobility spectrometry techniques Nov. 25, 2008
7456392 Use of ultraphobic surfaces having a multitude of hydrophilic areas for analyzing samples Nov. 25, 2008
7456391 Gating device and driver for modulation of charged particle beams Nov. 25, 2008
7456390 Longitudinal field driven ion mobility filter and detection system Nov. 25, 2008
7456389 High throughput quadrupolar ion trap Nov. 25, 2008
7456388 Ion guide for mass spectrometer Nov. 25, 2008
7453074 Ion implanter with ionization chamber electrode design Nov. 18, 2008
7450618 Laser system using ultrashort laser pulses Nov. 11, 2008
7449687 Methods and compositions for combining ions and charged particles Nov. 11, 2008
7449683 Method and apparatus for high-order differential mobility separations Nov. 11, 2008
7446312 Generation of multiply charged ions for tandem mass spectrometry Nov. 4, 2008
7446311 Method of coating an electrospray emitter Nov. 4, 2008
7446310 High throughput quadrupolar ion trap Nov. 4, 2008
7446309 In-plane distribution measurement method Nov. 4, 2008
7442922 Method for locally highly resolved, mass-spectroscopic characterization of surfaces using scanning probe technology Oct. 28, 2008
7442921 Protein profiles with atmospheric pressure ionization Oct. 28, 2008
7442919 Supercritical fluid jet method and supercritical fluid jet mass analysis method and device Oct. 28, 2008
7442556 Microfluidic-based electrospray source for analytical devices with a rotary fluid flow channel for sample preparation Oct. 28, 2008
7439498 Method and apparatus for separation of isobaric interferences Oct. 21, 2008
7439496 Chemical identification of peroxide-based explosives Oct. 21, 2008
7435953 Quadrupole mass filter length selection Oct. 14, 2008
7435951 Ion source sample plate illumination system Oct. 14, 2008
7435950 Micromachined field asymmetric ion mobility filter and detection system Oct. 14, 2008
7435949 Mass spectrometric analysis method and system using the method Oct. 14, 2008
7429731 Method and device for non-contact sampling and detection Sep. 30, 2008
7429730 SIFT-MS instruments Sep. 30, 2008
7429728 Distance of flight spectrometer for MS and simultaneous scanless MS/MS Sep. 30, 2008
7429727 Method, apparatus, and program product for quickly selecting complex molecules from a data base of molecules Sep. 30, 2008
7427752 Mass spectrometer Sep. 23, 2008
7427750 Mass spectrometer assemblies, mass spectrometry vacuum chamber lid assemblies, and mass spectrometer operational methods Sep. 23, 2008
7425700 Systems and methods for discovery and analysis of markers Sep. 16, 2008
7425699 Mass spectrometry method and apparatus Sep. 16, 2008
7423261 Curved conduit ion sampling device and method Sep. 9, 2008
7423259 Mass spectrometer and method for enhancing dynamic range Sep. 9, 2008
7420161 Branched radio frequency multipole Sep. 2, 2008
7418352 Method of using data binning in the analysis of chromatography/spectrometry data Aug. 26, 2008
7417226 Mass spectrometer Aug. 26, 2008
7417223 Method, system and computer software product for specific identification of reaction pairs associated by specific neutral differences Aug. 26, 2008
7417222 Correlation ion mobility spectroscopy Aug. 26, 2008
7414242 Ion mobility spectrometry method and apparatus Aug. 19, 2008
7412334 Mass spectrometer and method for enhancing resolution of mass spectra Aug. 12, 2008



 
 
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